CN109574754A

CN109574754A - Cold-resistant Water soluble fertilizer and preparation method thereof

Info

Publication number: CN109574754A
Application number: CN201811640295.3A
Authority: CN
Inventors: 尹武传; 魏延青; 冷伟锋; 孙鹰翔; 王子浩; 任先顺
Original assignee: Central And Chemical Agriculture (linyi) R & D Center Co Ltd
Current assignee: Central And Chemical Agriculture (linyi) R & D Center Co Ltd
Priority date: 2018-12-29
Filing date: 2018-12-29
Publication date: 2019-04-05

Abstract

The invention discloses cold-resistant Water soluble fertilizers and preparation method thereof.Wherein, cold-resistant Water soluble fertilizer includes a great number of elements Water soluble fertilizer and low-temperature resistance exogenous compositions, the low-temperature resistance exogenous compositions include salicylic acid, glycine betaine, S- abscisic acid and degeneration-resistant growth-promoting agent, the degeneration-resistant growth-promoting agent is sodium selenite and/or mannitol, and the content of the low-temperature resistance exogenous compositions is 0.1~5.2wt% of a great number of elements Water soluble fertilizer.The cold-resistant Water soluble fertilizer can punching apply or in conjunction with foliage-spray by way of use, the activity of enzyme in crop body can be activated under cryogenic, the absorption and utilization of physiological metabolism and root system to nutrient are improved, enhances photosynthesis, effectively facilitates the growth of crop.

Description

Cold-resistant Water soluble fertilizer and preparation method thereof

Technical field

The invention belongs to chemical fields, in particular to cold-resistant Water soluble fertilizer and preparation method thereof.

Background technique

Low temperature stress is a kind of disaster being frequently run onto plant culture, according to the different degrees of of low temperature, by the low of plant Temperature injury, which is divided into, damages to plants caused by sudden drop in temperature and freeze injury, and damaging to plants caused by sudden drop in temperature is plant physiology mechanism impediment caused by 0 DEG C or more of low temperature, freeze injury be then 0 DEG C with Under low temperature caused by plant physiology mechanism impediment, studying at present more is to damage to plants caused by sudden drop in temperature.Low temperature is in the entire breeding cycle of plant Will cause adverse effect, for example, damage to plants caused by sudden drop in temperature will lead to weak plant seedling, growth retardation, wilting, yellow, local necrosis, fruit-setting rate it is low, The problems such as yield reduction and quality decline, causes heavy losses to agricultural and production of forestry.Therefore, research and development have low-temperature resistance, resist The functional form Water soluble fertilizer of reverse action just seems particularly necessary.

Summary of the invention

The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention One purpose is to propose cold-resistant Water soluble fertilizer and preparation method thereof.The cold-resistant Water soluble fertilizer can be applied or be combined foliage-spray by punching Mode use, can activate the activity of enzyme in crop body under cryogenic, improve physiological metabolism and root system to supporting The absorption and utilization divided enhances photosynthesis, effectively facilitates the growth of crop.

The present invention is proposed based on following problems: winter or early spring north industrial crops (such as it is strawberry, grape, western red Persimmon etc.) since temperature ground temperature is relatively low and the influence of the cold airs such as cold spell in later spring, it is easy to appear and damages to plants caused by sudden drop in temperature or freeze injury problem, lead to root of the crop Enzymatic activity is low in being, physiological metabolism activity is slow, and root system is difficult to Nutrient Absorption, slow so as to cause plant strain growth, influences to make The yield and quality of object normal growth and product.

For this purpose, according to the first aspect of the invention, the invention proposes a kind of cold-resistant Water soluble fertilizers.Reality according to the present invention Example is applied, which includes a great number of elements Water soluble fertilizer and low-temperature resistance exogenous compositions, wherein the low-temperature resistance external source combination Object includes salicylic acid, glycine betaine, S- abscisic acid and degeneration-resistant growth-promoting agent, and the degeneration-resistant growth-promoting agent is sodium selenite and/or mannitol, The content of the low-temperature resistance exogenous compositions is 0.1~5.2wt% of a great number of elements Water soluble fertilizer.

Inventors be surprised to learn that salicylic acid, glycine betaine, S- abscisic acid and sodium selenite and/or mannitol are used cooperatively When can achieve significant cooperative synergism effect, on the one hand can be obviously promoted crop soluble sugar, soluble protein, proline Increase, effectively Scavenger of ROS reduces Lipid peroxidation metabolism degree and slows down chlorophyll degradation speed, cover crop cell membrane The integrality of system, the activity of the protective enzymes such as enhancing superoxide dismutase, peroxidase, to significantly improve the cold-resistant of crop Ability, can be shown compared with salicylic acid, abscisic acid, glycine betaine, sodium selenite or mannitol is used alone it is wider and The a greater degree of effect for improving cold tolerance；On the other hand crop can be obviously promoted to take root and sprout, promotes photosynthesis, It induced flowering and prevents flowers and fruits from falling off, and then promotes crop to increase income volume increase, and crop can also be made when using sodium selenite Selenium element is absorbed, to further increase the nutritive value of crop；In addition, inventor also found, when low-temperature resistance exogenous compositions Content the cold-resistant Water soluble fertilizer tool crop that increases significantly can be made when being 0.1~5.2wt% of a great number of elements Water soluble fertilizer anti- The effect of cold ability.Foliage-spray not only can be applied or be combined to the cold-resistant Water soluble fertilizer of the above embodiment of the present invention by punching as a result, Mode use, and the activity of enzyme in crop body can be activated under cryogenic, improve physiological metabolism and root system Absorption and utilization to nutrient enhance photosynthesis, effectively facilitate the growth of crop, to effectively solve crop in cryogenic conditions Under enzymatic activity is low in root system, physiological metabolism activity slowly and root system to Nutrient Absorption difficulty etc. due to and caused by plant it is raw The problem of length is slow, influences crop normal growth and yield composition and product quality decline.

In addition, cold-resistant Water soluble fertilizer according to the above embodiment of the present invention can also have the following additional technical features:

In some embodiments of the invention, the content of the low-temperature resistance exogenous compositions is a great number of elements Water soluble fertilizer 0.1~1.6wt%.

In some embodiments of the invention, a great number of elements Water soluble fertilizer include the nitrogen of 12~20wt%, 6~ The phosphorus pentoxide of 30wt% and the potassium oxide of 12~40wt%, wherein the nitrogen, the phosphorus pentoxide and the oxygen The total content for changing potassium is not less than 50wt%.

In some embodiments of the invention, a great number of elements Water soluble fertilizer include: the nitrogen of 12~20wt%, 15~ The phosphorus pentoxide of 30wt% and the potassium oxide of 12~20wt%.

In some embodiments of the invention, a great number of elements Water soluble fertilizer is 15-30-15 Water soluble fertilizer.

In some embodiments of the invention, the salicylic acid, the glycine betaine, the S- abscisic acid, the degeneration-resistant rush The mass ratio of raw agent is (0.5~1.5): (0.5~1.5): (4~10): (0.2~3).

In some embodiments of the invention, the low-temperature resistance exogenous compositions further comprise Nafusaku and indoles fourth Sour potassium, the salicylic acid, the glycine betaine, the S- abscisic acid, the degeneration-resistant growth-promoting agent, the Nafusaku and the indoles The mass ratio of potassium butyrate is (0.5~1.5): (0.5~1.5): (4~10): (0.2~3): (0.00001~0.01): (0.00001~0.01).

In some embodiments of the invention, the low-temperature resistance exogenous compositions further comprise the third rouge of jasmonic, described Salicylic acid, the glycine betaine, the S- abscisic acid and third rouge of jasmonic mass ratio be (0.5~1.5): (0.5~ 1.5): (4~10): (0.00001~0.01).

In some embodiments of the invention, the low-temperature resistance exogenous compositions further comprise brassin lactones, described Salicylic acid, the glycine betaine, the S- abscisic acid and the brassin lactones mass ratio be (0.5~1.5): (0.5~ 1.5): (4~10): (0.00001~0.01).

In some embodiments of the invention, the low-temperature resistance exogenous compositions further comprise the third rouge of jasmonic and rape Plain lactone, the matter of the salicylic acid, the glycine betaine, the S- abscisic acid, the jasmonic the third rouge and the brassin lactones Amount is than being (0.5~1.5): (0.5~1.5): (4~10): (0.00001~0.01): (0.00001~0.01).

In some embodiments of the invention, the brassin lactones are TS303 propionylbrassinolide.

In some embodiments of the invention, the low-temperature resistance exogenous compositions further comprise: microelement, described micro- The content of secondary element is 0.05~0.25wt% of a great number of elements Water soluble fertilizer.In some embodiments of the invention, described Microelement includes at least one of zinc, copper, iron, manganese and molybdenum.

In some embodiments of the invention, the microelement include the EDTA- zinc of 0.4~0.6 parts by weight, 0.2~ The EDTA- copper of 0.5 parts by weight, the EDTA- iron of 0.5~0.8 parts by weight, 0.2~0.5 parts by weight EDTA- manganese and 0.1~0.5 The EDTA- molybdenum of parts by weight.

In some embodiments of the invention, the low-temperature resistance exogenous compositions further comprise: chelating agent, the chelating The mass ratio of agent and the microelement is 1:1.

In some embodiments of the invention, the chelating agent is EDTA- sodium.

In some embodiments of the invention, the low-temperature resistance exogenous compositions further comprise alginic acid, the seaweed The content of acid is 0.1~0.2wt% of a great number of elements Water soluble fertilizer.

In some embodiments of the invention, the low-temperature resistance exogenous compositions further comprise: being selected from amino trimethylene first Base phosphonic acids, xanthan gum, alginic acid, ascorbic acid, vitamin B₂And vitamin K₃At least one of.

In some embodiments of the invention, the content of the aminotrimethylenephosphonic acid is a great number of elements Water soluble fertilizer 0.01~0.2wt%.

In some embodiments of the invention, the content of the xanthan gum be a great number of elements Water soluble fertilizer 0.1~ 0.5wt%.

In some embodiments of the invention, the content of the ascorbic acid be a great number of elements Water soluble fertilizer 0.2~ 2wt%.

In some embodiments of the invention, the vitamin B₂Content be a great number of elements Water soluble fertilizer 0.1~ 0.3wt%.

In some embodiments of the invention, the vitamin K₃Content be a great number of elements Water soluble fertilizer 0.1~ 0.3wt%.

According to the second aspect of the invention, the invention also provides a kind of methods for preparing above-mentioned cold-resistant Water soluble fertilizer.Root According to the embodiment of the present invention, this method comprises:

(1) it is sprayed on filling master batch after mixing low-temperature resistance exogenous compositions with volatile organic solvent, to make Low-temperature resistance exogenous compositions are stated to load on the filling master batch；

(2) filling master batch of the low-temperature resistance exogenous compositions is ground load, to obtain filling powder Material；

(3) filling powder is mixed with a great number of elements Water soluble fertilizer, to obtain cold-resistant Water soluble fertilizer.

The method of preparation cold-resistant Water soluble fertilizer according to the above embodiment of the present invention, inventors have found that due to low-temperature resistance external source Composition dosage is less, if directly mix with a great number of elements Water soluble fertilizer by low-temperature resistance exogenous compositions is easy to appear low-temperature resistance The phenomenon that exogenous compositions are unevenly distributed in cold-resistant Water soluble fertilizer.By in advance loading low-temperature resistance exogenous compositions in the present invention Onto filling master batch, then will load have the low-temperature resistance exogenous compositions filling master batch grind after with a great number of elements Water soluble fertilizer It is mixed, is not only more advantageous to low-temperature resistance exogenous compositions and is mixed with the uniform of a great number of elements Water soluble fertilizer, but also can be right Low-temperature resistance exogenous compositions play certain slow release effect；In addition, by low-temperature resistance exogenous compositions and volatile organic solvent When mixed liquor is sprayed on filling master batch, with the increase of specific surface area, the evaporation rate and volatile quantity of organic solvent are also significant It improves, so as to so that low-temperature resistance exogenous compositions deposit to the surface of filling master batch in the form of minute solid particles.As a result, This method is not only reliable and stable, but also more uniform and stable fertilizer efficiency cold-resistant Water soluble fertilizer can be prepared.

In some embodiments of the invention, the low-temperature resistance exogenous compositions, filling master batch and a great number of elements water The mass ratio of molten fertilizer is (0.1~1.6): (4~10): 100.

In some embodiments of the invention, the specific surface area of the filling master batch is 5000~10000cm²/g。

In some embodiments of the invention, the filling master batch is in calcium carbonate, talcum powder, kaolin and calcium powder At least one.

In some embodiments of the invention, the volatile organic solvent be in ethyl alcohol, acetic acid and acetone extremely Few one kind.

In some embodiments of the invention, the solid-liquid of the low-temperature resistance exogenous compositions and the volatile organic solvent Than for 1g:(1~5) mL.

In some embodiments of the invention, in step (3), the mixed processing is by the filling female powder and described big Secondary element Water soluble fertilizer premixes 25~35 minutes in preparatory reactive tank, is then introduced into blender in 200-300r/min and 25- It stirs 25~35 minutes and completes under conditions of 30 DEG C.

Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description Obviously, or practice through the invention is recognized.

Specific embodiment

The embodiment of the present invention is described below in detail.The embodiments described below is exemplary, it is intended to for explaining this Invention, and be not considered as limiting the invention.

According to the first aspect of the invention, the invention proposes a kind of cold-resistant Water soluble fertilizers.According to an embodiment of the invention, The cold-resistant Water soluble fertilizer includes a great number of elements Water soluble fertilizer and low-temperature resistance exogenous compositions, wherein low-temperature resistance exogenous compositions include water Poplar acid, glycine betaine, S- abscisic acid and degeneration-resistant growth-promoting agent, the degeneration-resistant growth-promoting agent be sodium selenite and/or mannitol, it is described resist it is low The content of warm exogenous compositions is 0.1~5.2wt% of a great number of elements Water soluble fertilizer.

Inventors be surprised to learn that salicylic acid, glycine betaine, S- abscisic acid and sodium selenite and/or mannitol are used cooperatively When can achieve significant cooperative synergism effect, on the one hand can be obviously promoted crop soluble sugar, soluble protein, proline Increase, effectively Scavenger of ROS reduces Lipid peroxidation metabolism degree and slows down chlorophyll degradation speed, cover crop cell membrane The integrality of system, the activity of the protective enzymes such as enhancing superoxide dismutase, peroxidase, to significantly improve the cold-resistant of crop Ability, can be shown compared with salicylic acid, abscisic acid, glycine betaine, sodium selenite or mannitol is used alone it is wider and The a greater degree of effect for improving cold tolerance；On the other hand crop can be obviously promoted to take root and sprout, promotes photosynthesis, It induced flowering and prevents flowers and fruits from falling off, and then promotes crop to increase income volume increase, and can also constantly make to make when using sodium selenite Object absorbs selenium element, to further increase the nutritive value of crop；In addition, inventor also found, resist in cold-resistant Water soluble fertilizer low It is poor to the effect for improving crop cold resistance freezing tolerance when the content of warm exogenous compositions is very few, and by planting adjustment or auxiliary agent Although use can improve the cold-resistant frost resistance of crop to a certain extent, due to being restricted by the original habit of crop, make The cold-resistant frost resistance of object is also impossible to ad infinitum improve, i.e., when the content of low-temperature resistance exogenous compositions in cold-resistant Water soluble fertilizer is excessive When, the cold-resistant frost resistance of crop can not be ad infinitum improved, and when the content of low-temperature resistance exogenous compositions is that a great number of elements is water-soluble Cold-resistant Water soluble fertilizer can be made to have the effect for the crop cold resistance ability that increases significantly when 0.1~5.2wt% of fertilizer.As a result, originally The cold-resistant Water soluble fertilizer of invention above-described embodiment can not only be applied punching or in conjunction with foliage-spray by way of use, but also can be The activity that enzyme in crop body is activated under cryogenic conditions improves the absorption and utilization of physiological metabolism and root system to nutrient, increases Strong photosynthesis effectively facilitates the growth of crop, thus effectively solve crop under cryogenic due in root system enzymatic activity it is low, Physiological metabolism activity slowly and root system to reasons such as Nutrient Absorption difficulties and caused by plant strain growth it is slow, influence crop and normally give birth to The problem of long and yield composition and product quality decline.

Specifically, induction crop obtains resistance inventors have found that salicylic acid can not only activate the defense reaction of crop, It can induce crop body heat also simultaneously to adapt to low temperature environment；Under low temperature stress, it is thin that salicylic acid is remarkably improved seedling leaves The stability of after birth inhibits the accumulation of malonaldehyde in blade, improves the activity of the enzymes such as catalase, peroxidase, thus The cold tolerance of crop can be significantly increased；And glycine betaine can especially be induced with the accumulation of inducing plant osmotic adjustment The accumulation of proline, and glycine betaine can keep the light under low temperature stress by refuting the stability of photosystem complex protein The stabilization of system, glycine betaine can protect the structure of large biological molecule under freezing conditions and integrality maintains its physiological function, from And the cold tolerance of crop is improved, when crop meets with low temperature stress, glycine betaine accumulates in cytoplasm and reaches very high water It is flat, to adjust osmotic pressure, maintain the water balance of cell；And exogenous betaine can further increase crop under low temperature stress The content of soluble sugar and soluble protein in blade, to significantly improve the osmotic adjustment ability of crop leaf；S- is anti-to lure element It can star the expression of crop adversity gene, activate the endogenous immune system of crop, induction crop is (dry to biology and abiotic stress Drought, low temperature, saline and alkaline, pest and disease damage) resistance is generated, improve drought resisting, the cold-resistant, disease-resistant and salinity and alkalinity resistance of crop, and inventor It has also been found that abscisic acid plays regulating and controlling effect in many stress response Primary structures, when low temperature causes to permeate in crop body When adjusting change, Exogenous Abscisic Acid can promote the accumulation of Endogenous Abscisic Acid Content and eventually lead to the expression of Cold resistant genes, so as to Enough further increase crop cold resistance power；Oxidation preventive content and protection enzyme activity in crop body can be improved in sodium selenite and mannitol Property, and then the freezing tolerance of crop is improved, and inventor also found, by salicylic acid, glycine betaine, S- abscisic acid and sodium selenite And/or mannitol can achieve significant cooperative synergism effect when being used cooperatively, it is thus that resisting for the above embodiment of the present invention is low Warm exogenous compositions mixed with a great number of elements Water soluble fertilizer application when, can effectively facilitate crop soluble sugar, soluble protein and The increase of proline, effectively Scavenger of ROS, reduces Lipid peroxidation metabolism degree and slows down chlorophyll degradation speed, cover crop The integrality of cell membrane system, the activity of the protective enzymes such as enhancing superoxide dismutase, peroxidase, so as to wider With a greater degree of cold tolerance for improving crop.

According to one embodiment of present invention, the content of low-temperature resistance exogenous compositions can be a great number of elements Water soluble fertilizer 0.1~1.6wt%, for example, can for 0.1wt%, 0.2wt%, 0.3wt%, 0.4wt%, 0.5wt%, 0.6wt%, 0.7wt%, 0.8wt%, 0.9wt%, 1.0wt%, 1.1wt%, 1.2wt%, 1.3wt%, 1.4wt%, 1.5wt% or 1.6wt%, the present invention in by control low-temperature resistance exogenous compositions content be a great number of elements Water soluble fertilizer 0.1~1.6wt%, It so that cold-resistant Water soluble fertilizer is had the effect for the crop cold resistance ability that increases significantly, crop can be activated under cryogenic The activity of internal enzyme improves the absorption and utilization of plant physiology metabolic capability and root system to nutrient, enhances photosynthesis, effectively Promote the growth of crop, and then be conducive to improve crop yield and product quality, cold-resistant Water soluble fertilizer can also be further increased Cost performance.

Another specific embodiment according to the present invention, a great number of elements Water soluble fertilizer may include the nitrogen member of 12~20wt% The potassium oxide of element, the phosphorus pentoxide of 6~30wt% and 12~40wt%, wherein nitrogen, five oxygen in a great number of elements Water soluble fertilizer Change the total content of two phosphorus and potassium oxide not less than 50wt%, it may thereby be ensured that cold-resistant Water soluble fertilizer have enough N P and Ks at When dividing, and then using cold-resistant Water soluble fertilizer, the cold tolerance of crop can be not only significantly improved, crop nutrition can also be supplemented, changed Kind crop growth environment, activated plant cell-growth systems promote crop to grow vigorously and Fruit, increase income to reach Produce and improve the purpose of crop product quality.Preferably, a great number of elements Water soluble fertilizer may include the nitrogen of 12~20wt%, 15 The phosphorus pentoxide of~30wt% and the potassium oxide of 12~20wt%, for example, a great number of elements Water soluble fertilizer can be 15-30-15 water Molten fertilizer, inventors have found that it is anti-to crop to can be further improved cold-resistant Water soluble fertilizer when a great number of elements Water soluble fertilizer is that high phosphorus is formulated The promotion effect of cold ability, so as to more effectively solve crop under cryogenic since enzymatic activity is low in root system, physiology Metabolic activity slowly and root system to reasons such as Nutrient Absorption difficulties and caused by plant strain growth it is slow, influence crop normal growth with The problem of yield composition and product quality decline.It is highly preferred that a great number of elements Water soluble fertilizer may include the nitrogen of 12~20wt% The potassium oxide of element, the phosphorus pentoxide of 20~30wt% and 12~20wt%, it is possible thereby to further improve cold-resistant water Cold-resistant effect of the molten fertilizer to crop.

Another specific embodiment according to the present invention, the quality of salicylic acid, glycine betaine, S- abscisic acid, degeneration-resistant growth-promoting agent Than that can be (0.5~1.5): (0.5~1.5): (4~10): (0.2~3) preferably can be (0.5~1.5): (0.5~ 1.5): (4~10): (1~3), inventor has found through many experiments, when control salicylic acid, glycine betaine, S- abscisic acid, degeneration-resistant rush When raw agent is above-mentioned quality ratio, the effect of low-temperature resistance exogenous compositions synergy can be further improved, so as to so that system Standby obtained cold-resistant Water soluble fertilizer can not only the wider and a greater degree of cold tolerance for improving crop, can also more favorably In regulating crop growth at low ambient temperatures, promotion crop takes root, sprouts, blooming and fruit maturation, to reach further Improve the effect of crop yield and quality.

Another specific embodiment according to the present invention, low-temperature resistance exogenous compositions may further include Nafusaku and Butyric acid potassium, salicylic acid, glycine betaine, S- abscisic acid, degeneration-resistant growth-promoting agent, Nafusaku and butyric acid potassium mass ratio can be with For (0.5~1.5): (0.5~1.5): (4~10): (0.2~3): (0.00001~0.01): (0.00001~0.01).Invention People's discovery, Nafusaku and butyric acid potassium not only can induce the formation of root of the crop and adventitious root, it may also be used for flower and fruit protecting mentions High crop yield, while enhancing the anti-adversity ability of crop, and by further increasing methyl α-naphthyl acetate in low-temperature resistance exogenous compositions Sodium and butyric acid potassium, and control salicylic acid, glycine betaine, S- abscisic acid, degeneration-resistant growth-promoting agent, Nafusaku and butyric acid potassium and be Above-mentioned mass ratio can also further increase the synergy of low-temperature resistance exogenous compositions, thus by low-temperature resistance exogenous compositions When mixing application with a great number of elements Water soluble fertilizer, it can further promote the increasing of crop soluble sugar, soluble protein and proline Add, effectively Scavenger of ROS, reduce Lipid peroxidation metabolism degree and slows down chlorophyll degradation speed, cover crop cell membrane system Integrality, the activity of enhancing superoxide dismutase, the protective enzymes such as peroxidase, so as to wider and more Raising crop cold tolerance.

Another specific embodiment according to the present invention, low-temperature resistance exogenous compositions may further include jasmonic third Rouge, inventors have found that further can promote crop can by further increasing the third rouge of jasmonic in low-temperature resistance exogenous compositions The increase of dissolubility sugar, soluble protein, proline, the activity of the protective enzymes such as enhancing superoxide dismutase, peroxidase, significantly The cold tolerance and photosynthesis for improving crop, to further increase the quality and yield of crop and crop product.Further Ground, salicylic acid, glycine betaine, S- abscisic acid and the mass ratio of the third rouge of jasmonic can be (0.5~1.5): (0.5~1.5): (4~ 10): (0.00001~0.01) by control salicylic acid, glycine betaine, S- abscisic acid and the third rouge of jasmonic is above-mentioned in the present invention Mass ratio can be further improved cold-resistant Water soluble fertilizer to the promotion effect of crop cold resistance ability and the growth of crop and photosynthetic work With so that crop be promoted to increase income volume increase.

Another specific embodiment according to the present invention, low-temperature resistance exogenous compositions may further include in brassin Ester activates the activity of enzyme in crop body inventors have found that brassin lactones can regulate and control crop endogenous hormones, and induction generates anti- The low temperature factor maintains biofilm structure stability in cooling, reduces and mitigates destruction of the low temperature to film, reduce plant cell ice Point value, the water conservation of enhancing crop and freezing tolerance inhibit and destroy frost albumen, increase heat and reduce freezing point numerical value, to mention High crop is to the resistance of low temperature, thus by further increasing brassin lactones in low-temperature resistance exogenous compositions in the present invention, The injury that crop may be subject in low temperature stress and recovery process of rising again can not only further be mitigated, and can also be further Promote the normal growth and robustness of root system and Ji Ye, promotes photosynthesis and fruit maturation, significantly improve crop and make produce The quality and yield of product.Further, the mass ratio of salicylic acid, glycine betaine, S- abscisic acid and brassin lactones can be (0.5 ~1.5): (0.5~1.5): (4~10): (0.00001~0.01), inventor also found, when the dosage of brassin lactones is excessive When can inhibit taking root and growing for crop, be by controlling salicylic acid, glycine betaine, S- abscisic acid and brassin lactones in the present invention Above-mentioned mass ratio, not only can be further improved cold-resistant Water soluble fertilizer to the promotion effect of crop cold resistance ability, can also be further Take root growth and the photosynthesis for promoting crop, improve the physiological metabolism of crop and adjust the distribution of nutriment in plant Deng to significantly improve the quality and yield of crop and crop product.Preferably, brassin lactones can be TS303 propionyl rue Tongue fur element lactone, it is possible thereby to the long-term effect of brassin lactones be significantly improved, to keep the fertilizer efficiency of cold-resistant Water soluble fertilizer more lasting.

Another specific embodiment according to the present invention, low-temperature resistance exogenous compositions may further include the third rouge of jasmonic And brassin lactones exist it is possible thereby to further increase the resultant effect of cold-resistant Water soluble fertilizer so as to further mitigate crop The injury that may be subject in low temperature stress and recovery process of rising again, and promote root system and the normal growth and robustness of Ji Ye, it shows Write the quality for improving crop.Further, the quality of salicylic acid, glycine betaine, S- abscisic acid, jasmonic the third rouge and brassin lactones Than that can be (0.5~1.5): (0.5~1.5): (4~10): (0.00001~0.01): (0.00001~0.01) thus may be used Greatly to improve cold-resistant Water soluble fertilizer to the promotion effect of crop cold resistance ability, take root growth and the photosynthetic work of promotion crop With improving the physiological metabolism of crop and adjust the distribution etc. of nutriment in plant, to significantly improve crop and make produce The quality and yield of product.

Another specific embodiment according to the present invention, low-temperature resistance exogenous compositions may further include microelement, The content of microelement can be 0.05~0.25wt% of a great number of elements Water soluble fertilizer.Inventors have found that microelement is to plant Growth and development play a crucial role, be the component part of enzyme or coenzyme in plant, have very strong specificity, when When plant lacks any microelement, growth and development can be all suppressed, and lead to the underproduction and quality decline, sufficient Microelement not only contributes to plant and a great number of elements is absorbed and utilized, and can also improve the colloid chemistry property of cellular plasm, To make plasmic concentration increase, resistance of the enhancing crop to poor environment.By in low-temperature resistance external source group in the present invention It closes in object and further increases microelement, not only can preferably promote the growth of crop and the absorption to nutritional ingredient, may be used also To enhance the disease resistance and winter resistance of crop, so as to further increase the quality and yield of crop and crop product.Optionally Ground, microelement may include at least one of zinc, copper, iron, manganese and molybdenum, for example, microelement may include 0.4~0.6 The zinc of parts by weight, the copper of 0.2~0.5 parts by weight, the iron of 0.5~0.8 parts by weight, 0.2~0.5 parts by weight and 0.1~0.5 weight Part is measured, it is possible thereby to preferably improve the physiological metabolism of crop and adjust the distribution of nutriment in plant, promotes plant Photosynthesis and respiration, to be more advantageous to the robust growth of crop and the promotion of yield.Preferably, low-temperature resistance external source group Closing object may further include chelating agent, and the mass ratio of chelating agent and microelement can be 1:1, inventors have found that will chelating Agent and trace element chelated formation chelated microelements, it is easier to be absorbed by crops, in salicylic acid, abscisic acid, glycine betaine etc. In the case that substance improves crop cold resistance, the microelement that crop absorbs can more effectively be utilized by crop, thus significantly Promote plant growth；Also, when the mass ratio of chelating agent and microelement is 1:1, it can be further improved crop to micro The assimilation effect of element.Optionally, chelating agent can be EDTA- sodium, and EDTA-Na is a kind of good compounding agent, energy in chemistry With Mg²⁺、Ca²⁺、Mn²⁺、Fe²⁺Equal bivalent metal ions combine, and reduce the antagonism between metallic element, to significantly mention High-micro-element utilization rate improves fertilizer efficiency.

Another specific embodiment according to the present invention, microelement may include 0.4~0.6 parts by weight EDTA- zinc, The EDTA- copper of 0.2~0.5 parts by weight, the EDTA- iron of 0.5~0.8 parts by weight, 0.2~0.5 parts by weight EDTA- manganese and 0.1 Thus the EDTA- molybdenum of~0.5 parts by weight not only can provide various trace elements for crop, to preferably improve crop Growth, is also more advantageous to microelement and is absorbed by crops and efficiently uses, so as to significantly improve crop and crop product Quality and yield.

Another specific embodiment according to the present invention, low-temperature resistance exogenous compositions may further include alginic acid, sea The content of alginic acid can be a great number of elements Water soluble fertilizer 0.1~0.2wt%, such as can for 0.12wt%, 0.15wt%, 0.18wt% or 0.2wt% etc. is rich in active organic matter, carbohydrate and alcohol inventors have found that itself cold tolerance of alginic acid is strong Class, alginic acid is further increased in low-temperature resistance exogenous compositions can significantly improve in the Inappropriate ADH syndrome index and crop of crop The content of soluble sugar, proline and soluble protein, at the same inventor also found by control alginic acid be above-mentioned content not It only can further be conducive to cold-resistant Water soluble fertilizer to the promotion effect of crop cold resistance ability and crop quality, cold-resistant can also be improved The cost performance of Water soluble fertilizer.

Another specific embodiment according to the present invention, low-temperature resistance exogenous compositions may further include selected from amino three Methylene phosphonic acid, xanthan gum, ascorbic acid, vitamin B₂And vitamin K₃At least one of.Inventors have found that amino trimethylene Methylphosphonic acid has preferable corrosion inhibition to phosphate, zinc salt, P elements, Zn-ef ficiency utilization rate can be effectively improved, to improve Crop promotes strong sprout to the absorption rate of nutrient, improves crop cold resistance ability；Xanthan gum itself contains more polar group Group can assemble aqueous substance, and improvement group is even without root system surrounding chemical environment, promotes absorption of the crop to nutrient, in turn Plant growth vigor is improved, winter resistance is improved；And oxidation preventive content and protection enzyme activity in crop body can be improved in ascorbic acid Property, especially when ascorbic acid and mannitol are used in conjunction with, under the two synergistic effect can effectively Scavenger of ROS, reduce Lipid peroxidation metabolism degree and slow down chlorophyll degradation speed, and then further increases the winter resistance of crop；Vitamin B₂Not only may be used To promote plant growth, improve crop yield, moreover it is possible to it induces plant to the resistance of some diseases, starts resistance signal's access, into And significantly improve crop quality；And vitamin K₃It can be used as plant growth regulator, promotor and herbicide, can not only make Crop has better winter resistance and effect resistant to lodging, can also promote crop yield.As a result, by further existing in the present invention Increase in low-temperature resistance exogenous compositions and is selected from aminotrimethylenephosphonic acid, xanthan gum, ascorbic acid, vitamin B₂And vitamin K₃ At least one of, it can be further improved the synthesis fertilizer efficiency of cold-resistant Water soluble fertilizer, cold-resistant water can not only be improved to a greater degree Molten fertilizer improves the physiological metabolism of crop to the promotion effect of crop cold resistance ability, take root growth and the photosynthesis of promotion crop And adjust the distribution of nutriment in plant and enhance the disease resistance etc. of crop, to significantly improve crop and crop product Quality and yield.

Another specific embodiment according to the present invention, the content of aminotrimethylenephosphonic acid is can be water-soluble with a great number of elements 0.01~0.2wt% of fertilizer, inventors have found that can further be mentioned when controlling aminotrimethylenephosphonic acid is above-mentioned content Height improves P elements, Zn-ef ficiency utilization rate, to the corrosion inhibition of phosphate, zinc salt so as to further increase crop to battalion The absorption rate and cold tolerance of element are supported, strong sprout is promoted.

Another specific embodiment according to the present invention, the content of xanthan gum can for a great number of elements Water soluble fertilizer 0.1~ 0.5wt%, such as can be 0.1~0.3wt%, 0.2~0.5wt%, 0.4wt% or 0.15wt% etc., it is possible thereby to cold-resistant The resultant effect of Water soluble fertilizer improves the root system environment of crop and promotes crop so as to further increase the winter resistance of crop Absorption to nutrient improves the growth vigor of crop.

Another specific embodiment according to the present invention, the content of ascorbic acid can be the 0.2 of a great number of elements Water soluble fertilizer ~2wt%, for example, can for 0.2wt%, 0.3wt%, 0.4wt%, 0.5wt%, 0.6wt%, 0.7wt%, 0.8wt%, 0.9wt%, 1.0wt%, 1.1wt%, 1.2wt%, 1.3wt%, 1.4wt%, 1.5wt%, 1.6wt%, 1.7wt%, 1.8wt%, 1.9wt%, 2.0wt%, preferably 1.0~2.0wt%, thus not only can be further improved ascorbic acid with it is sweet Reveal the synergy of alcohol, and then can further be conducive to improve oxidation preventive content and defence enzyme activity in crop body, effectively Ground Scavenger of ROS reduces Lipid peroxidation metabolism degree and slows down chlorophyll degradation speed, to further increase the cold-resistant of crop Property.

Another specific embodiment according to the present invention, vitamin B₂Content can be a great number of elements Water soluble fertilizer 0.1 ~0.3wt%, for example, can be 0.1wt%, 0.13wt%, 0.18wt%, 0.2wt%, 0.25wt% or 0.3wt%, as a result, The disease resistance of crop can be significantly improved and effectively facilitate plant growth, so as to further increase crop and crop product Quality and yield.

Another specific embodiment according to the present invention, vitamin K₃Content can be a great number of elements Water soluble fertilizer 0.1 ~0.3wt%, for example, can for 0.1wt%, 0.12wt%, 0.16wt%, 0.21wt%, 0.24wt%, 0.28wt% or Thus 0.3wt% not only can further be conducive to the winter resistance for improving crop, and promote crop yield, can also be further Improve vitamin K₃Utilization rate.

Another specific embodiment according to the present invention, prepare cold-resistant Water soluble fertilizer when, can by a great number of elements Water soluble fertilizer with Low-temperature resistance exogenous compositions are put into reactive tank according to predetermined ratio to be premixed, and stops 30 minutes in reactive tank, later Material importing blender is mixed, wherein the revolving speed of blender can be set as 200-300r/min, and temperature is can be with 25- 30 DEG C, the reaction time is 25~35 minutes.

According to the second aspect of the invention, the invention also provides a kind of methods for preparing above-mentioned cold-resistant Water soluble fertilizer.Root According to the embodiment of the present invention, this method comprises: (1) is sprayed on after mixing low-temperature resistance exogenous compositions with volatile organic solvent On filling master batch, to load to low-temperature resistance exogenous compositions on filling master batch；(2) there are low-temperature resistance exogenous compositions to load Filling master batch be ground, to obtain filling powder；(3) filling powder and a great number of elements Water soluble fertilizer are mixed It closes, to obtain cold-resistant Water soluble fertilizer.Inventors have found that since low-temperature resistance exogenous compositions dosage is less, if directly by low-temperature resistance Exogenous compositions, which mix with a great number of elements Water soluble fertilizer, to be easy to appear low-temperature resistance exogenous compositions and is distributed in cold-resistant Water soluble fertilizer Uneven phenomenon.This method by the way that low-temperature resistance exogenous compositions are loaded on filling master batch in advance, then load is had resist it is low It is mixed after the filling master batch grinding of warm exogenous compositions with a great number of elements Water soluble fertilizer, is not only more advantageous to low-temperature resistance external source group It closes object to mix with the uniform of a great number of elements Water soluble fertilizer, but also low-temperature resistance exogenous compositions can be played with certain sustained release effect Fruit；In addition, when the mixed liquor of low-temperature resistance exogenous compositions and volatile organic solvent is sprayed on filling master batch, with than table The increase of area, the evaporation rate and volatile quantity of organic solvent also significantly improve, so as to so that low-temperature resistance exogenous compositions with The form of minute solid particles deposits to the surface of filling master batch.This method is not only reliable and stable as a result, but also can be prepared into To more uniform and stable fertilizer efficiency cold-resistant Water soluble fertilizer.

A specific embodiment according to the present invention, low-temperature resistance exogenous compositions, filling master batch and a great number of elements Water soluble fertilizer Mass ratio can be (0.1~5.2): (4~10): 100, such as can be (0.1~1.6): (4~10): 100.Inventor It was found that if the dosage of filling master batch is very few, not only bad for loading to low-temperature resistance exogenous compositions sufficiently on filling master batch, and And it is equally easy to appear the phenomenon that low-temperature resistance exogenous compositions are unevenly distributed in cold-resistant Water soluble fertilizer, and if the dosage of filling master batch Excessively, and it is easy to influence the fertilizer efficiency of cold-resistant Water soluble fertilizer, the present invention passes through control low-temperature resistance exogenous compositions, filling master batch and a large amount of Element Water soluble fertilizer is above-mentioned mass ratio, is not only more advantageous to the table for making low-temperature resistance exogenous compositions uniform deposition to filling master batch Face is also more advantageous to filling powder and uniformly mixes with a great number of elements Water soluble fertilizer, water-soluble so as to the cold-resistant that obtains uniform and stable Fertilizer.

Another specific embodiment according to the present invention, the specific surface area of filling master batch can be 5000~10000cm²/ g.Thus it not only contributes to low-temperature resistance exogenous compositions uniform deposition to filling master batch surface, and combines low-temperature resistance external source When the mixed liquor of object and volatile organic solvent is sprayed on filling master batch, it can also further promote the volatilization of organic solvent, So as to so that low-temperature resistance exogenous compositions deposit to the surface of filling master batch in the form of minute solid particles.

Another specific embodiment according to the present invention, filling master batch can for selected from calcium carbonate, talcum powder, kaolin and At least one of calcium powder not only can make low-temperature resistance exogenous compositions uniform by selecting above-mentioned filling master batch in the present invention It deposits on filling master batch surface, can also low-temperature resistance exogenous compositions be played with certain slow release effect.

Another specific embodiment according to the present invention, volatile organic solvent are in ethyl alcohol, acetic acid and acetone At least one can when being thus sprayed onto the mixed liquor of low-temperature resistance exogenous compositions and volatile organic solvent on filling master batch To be more advantageous to the volatilization of organic solvent, so as to deposit to low-temperature resistance exogenous compositions in the form of minute solid particles The surface of filling master batch.

Another specific embodiment according to the present invention, the solid-to-liquid ratio of low-temperature resistance exogenous compositions and volatile organic solvent For 1g:(1~5) mL.Inventors have found that resisting when the solid-to-liquid ratio of low-temperature resistance exogenous compositions and volatile organic solvent is too small The mixed liquid concentration of low temperature exogenous compositions and volatile organic solvent is excessive, and it is female in filling to be unfavorable for low-temperature resistance exogenous compositions Material surface is uniformly distributed, and when the solid-to-liquid ratio of low-temperature resistance exogenous compositions and volatile organic solvent is excessive, in sprinkling process Time required for middle organic solvent volatilizees is again longer, influences preparation efficiency.Pass through control low-temperature resistance external source combination in the present invention Object and volatile organic solvent are above-mentioned mass ratio, not only can make low-temperature resistance exogenous compositions in the form of minute solid particles Deposit to the surface of filling master batch, can also further increase low-temperature resistance exogenous compositions be distributed on filling master batch surface it is uniform Property, so as to further increase the uniformity and stability of cold-resistant Water soluble fertilizer.

Another specific embodiment according to the present invention, in step (3), mixed processing is will to fill female powder and a great number of elements Water soluble fertilizer premixes 30 minutes in preparatory reactive tank, is then introduced into blender the condition in 200-300r/min and 25-30 DEG C Lower stirring is completed for 25~35 minutes.It is possible thereby to further increase the uniformity and stability of cold-resistant Water soluble fertilizer.

It should be noted that above-mentioned be equally applicable to the preparation cold-resistant for feature and advantage described in cold-resistant Water soluble fertilizer The method of Water soluble fertilizer, details are not described herein again.

The solution of the present invention is explained below in conjunction with embodiment.It will be understood to those of skill in the art that following Embodiment is merely to illustrate the present invention, and should not be taken as limiting the scope of the invention.Particular technique or item are not specified in embodiment Part, it described technology or conditions or is carried out according to the literature in the art according to product description.Agents useful for same or instrument Production firm person is not specified in device, and being can be with conventional products that are commercially available.

Embodiment 1

A kind of cold-resistant Water soluble fertilizer, including a great number of elements Water soluble fertilizer and low-temperature resistance exogenous compositions, in which:

A great number of elements Water soluble fertilizer is 15-30-15 function Water soluble fertilizer, and configuration proportion is 72% monoammonium phosphate 430Kg, 46% Urea 190Kg, potassium nitrate 190Kg, potassium dihydrogen phosphate 190Kg；

External source Cold-resistant composition matter are as follows: salicylic acid 0.5Kg, S- abscisic acid 10Kg, glycine betaine 0.5Kg, sodium selenite 3Kg.

The preparation method comprises the following steps: a great number of elements Water soluble fertilizer and external source Cold-resistant composition matter are put into reactive tank and premixed, It stops 30 minutes, later mixes material importing blender, the revolving speed of blender is set as 200-300r/ in reactive tank Min, temperature are 25-30 DEG C, and the reaction time is 30 minutes.The sample function Water soluble fertilizer of system.

Embodiment 2

External source Cold-resistant composition matter are as follows: salicylic acid 1.5Kg, S- abscisic acid 4Kg, glycine betaine 1.5Kg, mannitol 1Kg.

(1) it is sprayed on filling master batch after mixing low-temperature resistance exogenous compositions with volatile organic solvent, makes low-temperature resistance Exogenous compositions load on filling master batch, wherein and filling master batch is calcium carbonate, and the specific surface area of filling master batch is 5000~ 8000cm²/ g, organic solvent are acetone and acetic acid, and the solid-to-liquid ratio of low-temperature resistance exogenous compositions and volatile organic solvent is 1g: 1.5mL, the mass ratio of low-temperature resistance exogenous compositions, filling master batch and a great number of elements Water soluble fertilizer are 0.8:7:100；

(2) there is the filling master batch of low-temperature resistance exogenous compositions to be ground load, obtain filling powder；

(3) it will premix 30 minutes, be then introduced into blender in filling powder and the preparatory reactive tank of a great number of elements Water soluble fertilizer It is stirred 25~35 minutes under conditions of 200-300r/min and 25-30 DEG C, obtains cold-resistant Water soluble fertilizer.

Embodiment 3

External source Cold-resistant composition matter are as follows: salicylic acid 1Kg, S- abscisic acid 6Kg, glycine betaine 1Kg, sodium selenite 1Kg, mannitol 1Kg。

(1) it is sprayed on filling master batch after mixing low-temperature resistance exogenous compositions with volatile organic solvent, makes low-temperature resistance Exogenous compositions load on filling master batch, wherein and filling master batch is calcium carbonate, and the specific surface area of filling master batch is 5000~ 8000cm²/ g, organic solvent are acetone and acetic acid, and the solid-to-liquid ratio of low-temperature resistance exogenous compositions and volatile organic solvent is 1g: 1.5mL, the mass ratio of low-temperature resistance exogenous compositions, filling master batch and a great number of elements Water soluble fertilizer are 1.0:8:100；

Embodiment 4

External source Cold-resistant composition matter are as follows: salicylic acid 1.5Kg, S- abscisic acid 4Kg, glycine betaine 1.5Kg, mannitol 0.2Kg, naphthalene Sodium acetate 0.01Kg, butyric acid potassium 0.00001Kg.

Embodiment 5

External source Cold-resistant composition matter are as follows: salicylic acid 0.5Kg, S- abscisic acid 10Kg, glycine betaine 0.5Kg, mannitol 3Kg, naphthalene Sodium acetate 0.00001Kg, butyric acid potassium 0.01Kg.

Embodiment 6

A great number of elements Water soluble fertilizer is 20-20-20 function Water soluble fertilizer, and configuration proportion is 72% monoammonium phosphate 200Kg, 46% Urea 330Kg, potassium nitrate 200Kg, potassium dihydrogen phosphate 270Kg；

External source Cold-resistant composition matter are as follows: salicylic acid 1Kg, S- abscisic acid 7Kg, glycine betaine 1Kg, sodium selenite 0.5Kg, sweet dew Alcohol 0.5Kg, Nafusaku 0.005Kg, butyric acid potassium 0.005Kg, aminotrimethylenephosphonic acid 0.1Kg, vitamin B₂ 0.2Kg, vitamin K₃ 0.3Kg。

Embodiment 7

External source Cold-resistant composition matter are as follows: salicylic acid 0.5Kg, S- abscisic acid 4Kg, glycine betaine 0.5Kg, mannitol 0.4Kg, rue Tongue fur element lactone 0.01Kg；Microelement includes zinc 0.5Kg, copper 0.4Kg, iron 0.6Kg, manganese 0.3Kg, molybdenum 0.3Kg；Xanthan gum 2Kg； Alginic acid 1Kg.

Embodiment 8

External source Cold-resistant composition matter are as follows: salicylic acid 0.5Kg, S- abscisic acid 4Kg, glycine betaine 0.5Kg, mannitol 0.4Kg, rue Tongue fur element lactone 0.01Kg；Microelement includes zinc 0.5Kg, copper 0.4Kg, iron 0.6Kg, manganese 0.3Kg, molybdenum 0.3Kg；Xanthan gum 2Kg； Alginic acid 2Kg.

The preparation method comprises the following steps:

(1) it is sprayed on filling master batch after mixing low-temperature resistance exogenous compositions with volatile organic solvent, makes low-temperature resistance Exogenous compositions load on filling master batch, wherein filling master batch is talcum powder and kaolin, and the specific surface area of filling master batch is 5000~10000cm²/ g, organic solvent are ethyl alcohol, and the solid-to-liquid ratio of low-temperature resistance exogenous compositions and volatile organic solvent is 1g: 5mL, the mass ratio of low-temperature resistance exogenous compositions, filling master batch and a great number of elements Water soluble fertilizer are 1.151:4:100；

Embodiment 9

External source Cold-resistant composition matter are as follows: salicylic acid 0.5Kg, S- abscisic acid 4Kg, glycine betaine 0.5Kg, mannitol 0.4Kg, jasmine The third rouge 0.01Kg of jasmine acid；Microelement includes zinc 0.5Kg, copper 0.4Kg, iron 0.6Kg, manganese 0.3Kg, molybdenum 0.3Kg；Xanthan gum 2Kg； Alginic acid 1Kg.

The preparation method comprises the following steps:

(1) it is sprayed on filling master batch after mixing low-temperature resistance exogenous compositions with volatile organic solvent, makes low-temperature resistance Exogenous compositions load on filling master batch, wherein filling master batch is talcum powder and calcium powder, and the specific surface area of filling master batch is 5000~10000cm²/ g, organic solvent be selected from ethyl alcohol and acetic acid, low-temperature resistance exogenous compositions and volatile organic solvent Solid-to-liquid ratio is 1g:3mL, and the mass ratio of low-temperature resistance exogenous compositions, filling master batch and a great number of elements Water soluble fertilizer is 1.051:7: 100；

Embodiment 10

External source Cold-resistant composition matter are as follows: salicylic acid 0.5Kg, S- abscisic acid 4Kg, glycine betaine 0.5Kg, mannitol 0.4Kg, resist Bad hematic acid 4Kg, the third rouge of jasmonic 0.01Kg；Microelement includes zinc 0.5Kg, copper 0.4Kg, iron 0.6Kg, manganese 0.3Kg, molybdenum 0.3Kg；Xanthan gum 2Kg；Alginic acid 2Kg.

The preparation method comprises the following steps:

(1) it is sprayed on filling master batch after mixing low-temperature resistance exogenous compositions with volatile organic solvent, makes low-temperature resistance Exogenous compositions load on filling master batch, wherein filling master batch is calcium carbonate, kaolin and calcium powder, the ratio table of filling master batch Area is 5000~8000cm²/ g, organic solvent are acetic acid, the solid-to-liquid ratio of low-temperature resistance exogenous compositions and volatile organic solvent For 1g:2.5mL, the mass ratio of low-temperature resistance exogenous compositions, filling master batch and a great number of elements Water soluble fertilizer is 1.551:10:100；

Embodiment 11

A great number of elements Water soluble fertilizer is 12-6-40 function Water soluble fertilizer, and configuration proportion is 72% monoammonium phosphate 50Kg, 46% urine Plain 50Kg, potassium nitrate 800Kg, potassium dihydrogen phosphate 100Kg；

The preparation method comprises the following steps:

(1) it is sprayed on filling master batch after mixing low-temperature resistance exogenous compositions with volatile organic solvent, makes low-temperature resistance Exogenous compositions load on filling master batch, wherein and filling master batch is kaolin, and the specific surface area of filling master batch is 5000~ 70000cm²/ g, organic solvent are acetic acid and acetone, and the solid-to-liquid ratio of low-temperature resistance exogenous compositions and volatile organic solvent is 1g: 3.5mL, the mass ratio of low-temperature resistance exogenous compositions, filling master batch and a great number of elements Water soluble fertilizer are 1.051:6:100；

Embodiment 12

The preparation method comprises the following steps:

(1) it is sprayed on filling master batch after mixing low-temperature resistance exogenous compositions with volatile organic solvent, makes low-temperature resistance Exogenous compositions load on filling master batch, wherein and filling master batch is talcum powder, and the specific surface area of filling master batch is 5000~ 10000cm²/ g, organic solvent are acetone, and the solid-to-liquid ratio of low-temperature resistance exogenous compositions and volatile organic solvent is 1g:2mL, are resisted The mass ratio of low temperature exogenous compositions, filling master batch and a great number of elements Water soluble fertilizer is 1.551:8:100；

The cold-resistant Water soluble fertilizer of embodiment 1-12 is evaluated:

(1) low temperature synergistic function Water soluble fertilizer tomato is tested

Before tomato seedling low-temperature treatment cold-resistant Water soluble fertilizer root irrigation 2 times of Application Example 1-12 in 1-20 days, often 10 kgs/acre of secondary dosage.After low temperature induction is 3 days processed, measures plant indices and analyze winter resistance, measurement result is shown in Table 1。

Table 1

It is from above-mentioned table it is found that excellent much relative to blank control using the effect of embodiment 1-12.Plant is damaged to plants caused by sudden drop in temperature Reduce by 30% or more, the extracellular sepage conductivity of plant reduces by 30% or more, soluble sugar, proline, soluble protein Content significantly improves, and illustrates that preferably plant cold resistance effect can be reached under formula of the invention.Comparative example 7-12 can Know:

Embodiment 7-8 is more preferable compared with the effect of embodiment 9-12, illustrate 15-30-15 high phosphorus basic components and alginic acid for Crop resists cold be affected.

(2) low temperature synergistic function Water soluble fertilizer strawberry is tested

Match on 1000 times of blade faces of cold-resistant Water soluble fertilizer dilution of Strawberry seedlings phase Adult plant Application Example 1-12 and applies 2 times, it is low Plant indices are measured after temperature processing and analyze Evaluation of Cold-Resistance, and measurement result is shown in Table 2.

Table 2

It is from above-mentioned table it is found that excellent much relative to blank control using the effect of embodiment 1-12.Plant is damaged to plants caused by sudden drop in temperature Reduce by 20% or more, the extracellular sepage conductivity of plant reduces by 30% or more, soluble sugar, proline, soluble protein Content significantly improves, and illustrates that preferably plant cold resistance effect can be reached under formula of the invention.Comparative example 7-12 can Know: embodiment 7-8 is more preferable compared with the effect of embodiment 9-12, illustrates 15-30-15 high phosphorus basic components and alginic acid for crop Resist cold be affected.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any It can be combined in any suitable manner in a or multiple embodiment or examples.In addition, without conflicting with each other, the technology of this field The feature of different embodiments or examples described in this specification and different embodiments or examples can be combined by personnel And combination.

Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims

1. a kind of cold-resistant Water soluble fertilizer, which is characterized in that including a great number of elements Water soluble fertilizer and low-temperature resistance exogenous compositions, wherein institute Stating low-temperature resistance exogenous compositions includes salicylic acid, glycine betaine, S- abscisic acid and degeneration-resistant growth-promoting agent, and the degeneration-resistant growth-promoting agent is sub- selenium Sour sodium and/or mannitol, the content of the low-temperature resistance exogenous compositions are 0.1~5.2wt% of a great number of elements Water soluble fertilizer.

2. cold-resistant Water soluble fertilizer according to claim 1, which is characterized in that the content of the low-temperature resistance exogenous compositions is institute State 0.1~1.6wt% of a great number of elements Water soluble fertilizer.

3. cold-resistant Water soluble fertilizer according to claim 1 or 2, which is characterized in that nitrogen source is pressed in a great number of elements Water soluble fertilizer Nitrogen meter account for 12~20wt%, phosphorus source accounted for based on phosphorus pentoxide 6~30wt%, potassium resource account for 12 based on potassium oxide~ 40wt%, wherein the total content of the nitrogen, the phosphorus pentoxide and the potassium oxide is not less than 50wt%,

Optionally, a great number of elements Water soluble fertilizer include the nitrogen of 12~20wt%, 15~30wt% phosphorus pentoxide and The potassium oxide of 12~20wt%,

Preferably, a great number of elements Water soluble fertilizer is 15-30-15 Water soluble fertilizer.

4. cold-resistant Water soluble fertilizer according to claim 3, which is characterized in that the salicylic acid, the glycine betaine, the S- are lured The mass ratio of anti-element and the degeneration-resistant growth-promoting agent is (0.5~1.5): (0.5~1.5): (4~10): (0.2~3),

Optionally, the low-temperature resistance exogenous compositions further comprise Nafusaku and butyric acid potassium, the salicylic acid, described Glycine betaine, the S- abscisic acid, the degeneration-resistant growth-promoting agent, the Nafusaku and the butyric acid potassium mass ratio be (0.5 ~1.5): (0.5~1.5): (4~10): (0.2~3): (0.00001~0.01): (0.00001~0.01).

5. cold-resistant Water soluble fertilizer according to claim 1 or 4, which is characterized in that the low-temperature resistance exogenous compositions are further Including the third rouge of jasmonic, the salicylic acid, the glycine betaine, the S- abscisic acid and third rouge of jasmonic mass ratio be (0.5~1.5): (0.5~1.5): (4~10): (0.00001~0.01),

Optionally, the low-temperature resistance exogenous compositions further comprise brassin lactones, the salicylic acid, the glycine betaine, institute The mass ratio for stating S- abscisic acid and the brassin lactones is (0.5~1.5): (0.5~1.5): (4~10): (0.00001~ 0.01),

Optionally, the low-temperature resistance exogenous compositions further comprise the third rouge of jasmonic and brassin lactones, the salicylic acid, institute The mass ratio for stating glycine betaine, the S- abscisic acid, the third rouge of the jasmonic and the brassin lactones is (0.5~1.5): (0.5 ~1.5): (4~10): (0.00001~0.01): (0.00001~0.01),

Optionally, the brassin lactones are TS303 propionylbrassinolide.

6. cold-resistant Water soluble fertilizer according to claim 5, which is characterized in that the low-temperature resistance exogenous compositions further wrap Include: microelement, the content of the microelement are 0.05~0.25wt% of a great number of elements Water soluble fertilizer,

Optionally, the microelement includes at least one of zinc, copper, iron, manganese and molybdenum,

Optionally, the microelement include the EDTA- zinc of 0.4~0.6 parts by weight, 0.2~0.5 parts by weight EDTA- copper, The EDTA- molybdenum of the EDTA- iron of 0.5~0.8 parts by weight, the EDTA- manganese of 0.2~0.5 parts by weight and 0.1~0.5 parts by weight,

Optionally, the low-temperature resistance exogenous compositions further comprise: chelating agent, the matter of the chelating agent and the microelement Amount ratio is 1:1,

Optionally, the chelating agent is EDTA- sodium.

7. cold-resistant Water soluble fertilizer according to claim 1 or 6, which is characterized in that the low-temperature resistance exogenous compositions are further Including alginic acid, the content of the alginic acid is 0.1~0.2wt% of a great number of elements Water soluble fertilizer.

8. cold-resistant Water soluble fertilizer according to claim 7, which is characterized in that the low-temperature resistance exogenous compositions further comprise Selected from aminotrimethylenephosphonic acid, xanthan gum, ascorbic acid, vitamin B₂And vitamin K₃At least one of,

Optionally, the content of the aminotrimethylenephosphonic acid is 0.01~0.2wt% of a great number of elements Water soluble fertilizer,

Optionally, the content of the xanthan gum is 0.1~0.5wt% of a great number of elements Water soluble fertilizer,

Optionally, the content of the ascorbic acid is 0.2~2wt% of a great number of elements Water soluble fertilizer,

Optionally, the vitamin B₂Content be a great number of elements Water soluble fertilizer 0.1~0.3wt%,

Optionally, the vitamin K₃Content be a great number of elements Water soluble fertilizer 0.1~0.3wt%.

9. the method for preparing the described in any item cold-resistant Water soluble fertilizers of claim 1-8 characterized by comprising

(1) it is sprayed on filling master batch after mixing low-temperature resistance exogenous compositions with volatile organic solvent, it is described anti-to make Low temperature exogenous compositions load on the filling master batch；

(2) filling master batch of the low-temperature resistance exogenous compositions is ground load, to obtain filling powder；

(3) filling powder and a great number of elements Water soluble fertilizer are subjected to mixed processing, to obtain cold-resistant Water soluble fertilizer.

10. according to the method described in claim 9, it is characterized in that, the low-temperature resistance exogenous compositions, filling master batch and described The mass ratio of a great number of elements Water soluble fertilizer is (0.1~5.2): (4~10): 100,

Optionally, the mass ratio of the low-temperature resistance exogenous compositions, filling master batch and a great number of elements Water soluble fertilizer be (0.1~ 1.6): (4~10): 100,

Optionally, the filling master batch be selected from least one of calcium carbonate, talcum powder, kaolin and calcium powder,

Optionally, the specific surface area of the filling master batch is 5000~10000cm²/ g,

Optionally, the volatile organic solvent be selected from least one of ethyl alcohol, acetic acid and acetone,

Optionally, the solid-to-liquid ratio of the low-temperature resistance exogenous compositions and the volatile organic solvent is 1g:(1~5) mL,

Optionally, in step (3), the mixed processing is that the filling female powder and a great number of elements Water soluble fertilizer is anti-in advance Answer premix 20~35 minutes in slot, be then introduced into blender under conditions of 200-300r/min and 25-30 DEG C stirring 25~ It completes within 35 minutes.