CN110563509A - Medium trace element full water-soluble fertilizer containing biostimulant and preparation method thereof - Google Patents
Medium trace element full water-soluble fertilizer containing biostimulant and preparation method thereof Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C3/00—Fertilisers containing other salts of ammonia or ammonia itself, e.g. gas liquor
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- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
Abstract
The invention discloses a medium-trace element fully water-soluble fertilizer containing biostimulant and a preparation method thereof, relates to the technical field of fertilizers, and solves the technical problems that the medium-trace element is easy to fix in soil, easy to run off and low in crop absorption and utilization rate in the prior art. The invention relates to a medium trace element full water-soluble fertilizer containing biological stimulin, which is prepared by mixing a medium trace element raw material, a biological stimulin raw material and an auxiliary agent; the fertilizer comprises the following raw materials in parts by weight: medium trace element raw materials: 5-10 parts of chelated calcium, 4-8 parts of magnesium sulfate heptahydrate, 3-9 parts of ferric sulfate, 2-8 parts of zinc sulfate, 2-5 parts of manganese sulfate, 0.5-1 part of copper sulfate, 0.05-0.1 part of ammonium molybdate and 1-3 parts of sodium borate decahydrate; biological stimulin raw materials: 15-30 parts of potassium fulvate, 10-20 parts of sodium alginate, 15-20 parts of amino acid and 10-15 parts of potassium silicate; auxiliary agent: 0.1 to 0.5 portion. The full water-soluble fertilizer has the effects of improving crops and soil, increasing the absorption and utilization rate of medium and trace elements, and improving the overall quality of the crops.
Description
Technical Field
The invention relates to the technical field of fertilizers, in particular to a medium trace element water-soluble fertilizer containing biostimulant and a preparation method thereof.
Background
In the 40 th year of the 20 th century, the influence of trace elements on the growth and development of plants in the beginning of research in China; the content and the form of the trace elements in the soil are researched in the 50 th of the 20 th century; the use of trace element fertilizers in production was studied beginning in the 60 s of the 20 th century. The molybdenum fertilizer application on the soybeans is found to increase the yield obviously; the soil is lack of boron, the rape flower is beautiful and not solid, and the cotton flower base is not flower; zinc deficiency of soil, rice runt seedlings, and corn white; the specific application of zinc and boron fertilizers can greatly increase the yield of crops, thereby greatly promoting the application of medium and trace element fertilizers.
The biological stimulin is a substance which is widely applied in agriculture in recent years, is not a pesticide and a traditional fertilizer, targets of the biological stimulin are crops, and can improve physiological and biochemical states of plants, improve pesticide effects and fertilizer utilization rate, improve the level of stress resistance of the crops, and also improve final yield and agricultural product quality of the crops. The biological stimulator is naturally available in nature, is rich in active substances, and can directly act on plants without artificial chemical synthesis. Biostimulants are different from plant protection products and also from fertilizers, and do not have any harmful effects on humans, animals and the environment. The biostimulant does not act directly on the plant body, but stimulates the absorption and defense of the plant through indirect conversion, and simultaneously stimulates the development of beneficial organisms in the soil. Biostimulant is a class of substances that vary widely from substance to substance. The biological stimulator is mainly divided into 8 categories, including humic acid, compound organic substances, beneficial chemical elements, inorganic salts, seaweed extract, chitin and chitosan derivatives (chitosan oligosaccharide, etc.), antitranspirant, and free amino acids.
however, when the medium and trace element fertilizer is applied independently, the medium and trace elements are easily fixed in soil and easily run off, and the absorption and utilization rate of crops is low. Therefore, by combining the development requirements of the current fertilizer industry, the functional medium and trace element fertilizer suitable for the development of green organic agriculture is developed by reasonably matching the medium and trace element fertilizer and the biostimulant, which is a technical problem to be solved urgently by technical personnel in the field.
Disclosure of Invention
The invention aims to provide a medium and trace element water-soluble fertilizer containing biostimulant and a preparation method thereof, and solves the technical problems that the medium and trace elements are easy to fix and run off in soil and the absorption and utilization rate of crops is low in the prior art. The invention effectively applies the biostimulant to the production of the medium-trace element fertilizer to prepare a functional medium-trace element fertilizer product, stimulates the robust growth of crops while supplementing the trace element fertilizer, improves the quality and the yield of the crops and promotes the sustainable development of agriculture. The various technical effects that can be produced by the preferred technical solution of the present invention are described in detail below.
In order to achieve the purpose, the invention provides the following technical scheme:
The invention relates to a medium trace element full water-soluble fertilizer containing biological stimulin, which is prepared by mixing a medium trace element raw material, a biological stimulin raw material and an auxiliary agent; the fertilizer comprises the following raw materials in parts by weight:
medium trace element raw materials: 5-10 parts of chelated calcium, 4-8 parts of magnesium sulfate heptahydrate, 3-9 parts of ferric sulfate, 2-8 parts of zinc sulfate, 2-5 parts of manganese sulfate, 0.5-1 part of copper sulfate, 0.05-0.1 part of ammonium molybdate and 1-3 parts of sodium borate decahydrate;
biological stimulin raw materials: 15-30 parts of potassium fulvate, 10-20 parts of sodium alginate, 15-20 parts of amino acid and 10-15 parts of potassium silicate;
Auxiliary agent: 0.1 to 0.5 portion.
According to a preferred embodiment, the adjuvant is a water-soluble fertilizer anti-caking agent. Preferably, the water-soluble fertilizer anti-caking agent is water-soluble fertilizer anti-caking agent WFAC01 purchased from Cambridge Tay International trade, Inc.
According to a preferred embodiment, the amino acid is one or more of glycine, glutamic acid, proline, lysine, alanine, phenylalanine, methionine, threonine and aspartic acid.
The invention relates to a preparation method of a medium trace element water-soluble fertilizer containing biostimulant, which comprises the following steps:
the ingredients are weighed according to the following parts by weight:
Medium trace element raw materials: 5-10 parts of chelated calcium, 4-8 parts of magnesium sulfate heptahydrate, 3-9 parts of ferric sulfate, 2-8 parts of zinc sulfate, 2-5 parts of manganese sulfate, 0.5-1 part of copper sulfate, 0.05-0.1 part of ammonium molybdate, 1-3 parts of sodium borate decahydrate,
Biological stimulin raw materials: 15-30 parts of potassium fulvate, 10-20 parts of sodium alginate, 15-20 parts of amino acid and 10-15 parts of potassium silicate,
Auxiliary agent: 0.1-0.5 part;
Mixing, namely uniformly mixing the weighed chelated calcium, magnesium sulfate heptahydrate, ferric sulfate, zinc sulfate, manganese sulfate, copper sulfate, ammonium molybdate, sodium borate decahydrate, potassium fulvate, sodium alginate, amino acid, potassium silicate and an auxiliary agent to prepare the medium and trace element fully water-soluble fertilizer containing the biostimulant.
according to a preferred embodiment, the method further comprises the steps of:
the biological stimulator-containing medium and trace element full-water-soluble fertilizer prepared by mixing the raw materials is dried and crushed to the granularity of 40-50 meshes, and then the fertilizer is bagged and packaged.
According to a preferred embodiment, the adjuvant is a water-soluble fertilizer anti-caking agent.
according to a preferred embodiment, the chelated calcium, magnesium sulfate heptahydrate, ferric sulfate, zinc sulfate, manganese sulfate, copper sulfate, ammonium molybdate, sodium borate decahydrate, potassium fulvate, sodium alginate, amino acid, potassium silicate, and water-soluble fertilizer anti-caking agent are in powder form and are in a fully water-soluble dosage form.
The medium trace element water-soluble fertilizer containing the biostimulant and the preparation method thereof provided by the invention at least have the following beneficial technical effects:
The full water-soluble fertilizer has an improvement effect on crops and soil. Specifically, the full water-soluble fertilizer can chelate macronutrients, medium-trace nutrients and micronutrients to make the full water-soluble fertilizer better utilized by plants, release fertilizers slowly and improve the utilization of chemical fertilizers and pesticides due to the addition of the biostimulant; the plant micro-biological activity can be excited, the nutrient absorption is improved, the plant germination and growth are promoted, the nutrient imbalance of the plants is corrected, the crop resistance is enhanced, and the plant diseases are prevented and treated; can increase soil organic matter, optimize soil flora structure, accelerate precipitation decomposition, improve soil structure, improve soil physical and chemical properties, and reduce metal toxicity.
The full water-soluble fertilizer can increase the absorption utilization rate of the medium and trace element fertilizer. In particular, medium and trace elements are easy to fix in soil and run off, and the absorption and utilization rate of crops is low. The invention combines plant stimulin such as potassium fulvate and the like for application, can chelate medium trace elements in humic acid, reduces fertilizer fixation and fertilizer loss; meanwhile, the amino acid and the alginic acid can promote nutrient absorption of crops and enhance the fertilizer absorption and utilization rate, and the potassium silicate can enhance the crop cell activity and increase the fertilizer absorption and utilization of the crops.
The full water-soluble fertilizer is convenient to use and has a good effect. Specifically, the full water-soluble fertilizer disclosed by the invention adopts a full water-soluble raw material during preparation, can be applied by means of pouring, sprinkling irrigation, drip irrigation, leaf surface spraying and the like, is convenient to use, and saves the labor cost; on the other hand, the nutrients of the product are in a nutrient form which can be easily absorbed by crops, and are chelated by the biostimulant, so that the nutrients are not easily fixed by other ions in the soil, and the absorption rate of the crops to the nutrients of the fertilizer is high; the biological stimulin stimulates the activity of crop cells to promote the absorption of the crop to fertilizer nutrients, and the biological stimulin and the medium trace elements act on the crop together to promote the supplement of nutrient elements of the crop, improve the overall quality of the crop and achieve better use effect.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Example 1
The medium trace element full water-soluble fertilizer containing the biostimulant of the embodiment is prepared as follows:
(1) The ingredients are weighed according to the following parts by weight:
Medium trace element raw materials: 5 parts of chelated calcium, 8 parts of magnesium sulfate heptahydrate, 3 parts of ferric sulfate, 2 parts of zinc sulfate, 5 parts of manganese sulfate, 0.5 part of copper sulfate, 0.05 part of ammonium molybdate and 1 part of sodium borate decahydrate.
biological stimulin raw materials: 15 parts of potassium fulvate, 10 parts of sodium alginate, 20 parts of amino acid and 15 parts of potassium silicate.
Water-soluble fertilizer anti-caking agent: 0.1 part.
Mixing, namely uniformly mixing the weighed chelated calcium, magnesium sulfate heptahydrate, ferric sulfate, zinc sulfate, manganese sulfate, copper sulfate, ammonium molybdate, sodium borate decahydrate, potassium fulvate, sodium alginate, amino acid, potassium silicate and an auxiliary agent to prepare the medium and trace element fully water-soluble fertilizer containing the biostimulant.
Example 2
The medium trace element full water-soluble fertilizer containing the biostimulant of the embodiment is prepared as follows:
(1) The ingredients are weighed according to the following parts by weight:
Medium trace element raw materials: 8 parts of chelated calcium, 6 parts of magnesium sulfate heptahydrate, 6 parts of ferric sulfate, 5 parts of zinc sulfate, 3 parts of manganese sulfate, 0.7 part of copper sulfate, 0.07 part of ammonium molybdate and 2 parts of sodium borate decahydrate.
Biological stimulin raw materials: 22 parts of potassium fulvate, 15 parts of sodium alginate, 17 parts of amino acid and 13 parts of potassium silicate.
Water-soluble fertilizer anti-caking agent: 0.3 part.
Mixing, namely uniformly mixing the weighed chelated calcium, magnesium sulfate heptahydrate, ferric sulfate, zinc sulfate, manganese sulfate, copper sulfate, ammonium molybdate, sodium borate decahydrate, potassium fulvate, sodium alginate, amino acid, potassium silicate and an auxiliary agent to prepare the medium and trace element fully water-soluble fertilizer containing the biostimulant.
example 3
the medium trace element full water-soluble fertilizer containing the biostimulant of the embodiment is prepared as follows:
(1) the ingredients are weighed according to the following parts by weight:
Medium trace element raw materials: 10 parts of chelated calcium, 4 parts of magnesium sulfate heptahydrate, 9 parts of ferric sulfate, 8 parts of zinc sulfate, 2 parts of manganese sulfate, 1 part of copper sulfate, 0.1 part of ammonium molybdate and 3 parts of sodium borate decahydrate.
biological stimulin raw materials: 30 parts of potassium fulvate, 20 parts of sodium alginate, 15 parts of amino acid and 10 parts of potassium silicate.
Water-soluble fertilizer anti-caking agent: 0.5 part.
Mixing, namely uniformly mixing the weighed chelated calcium, magnesium sulfate heptahydrate, ferric sulfate, zinc sulfate, manganese sulfate, copper sulfate, ammonium molybdate, sodium borate decahydrate, potassium fulvate, sodium alginate, amino acid, potassium silicate and an auxiliary agent to prepare the medium and trace element fully water-soluble fertilizer containing the biostimulant.
The bio-stimulant-containing medium trace element water-soluble fertilizers prepared in examples 1 to 3 were tested.
Test I Effect of the application of the biostimulant-containing, fully water-soluble fertilizers prepared in example 1 on the production of flue-cured tobacco
The medium trace elements are essential nutrient elements for plant growth, particularly magnesium elements, and are listed as the fourth most essential nutrient elements after nitrogen, phosphorus and potassium. The medium trace elements play an important role in the growth, physiological metabolism, yield and quality of the tobacco, can promote the potassium content of the tobacco leaves to be improved, improve the combustion quality of the tobacco leaves and improve the aroma quality of the tobacco leaves. In recent years, the phenomenon of magnesium deficiency in tobacco production is common in southern tobacco regions. By compounding the biological stimulin with the medium trace elements and applying the strong adsorption performance and chelating performance of the humic acid, the loss of the medium trace elements can be reduced, and the tobacco quality is improved.
1. Materials and methods
1.1 purpose of the test: through demonstration comparison, the effect of the fully water-soluble fertilizer containing the trace elements of the biostimulant is verified, and the symptom that the trace elements are deficient in flue-cured tobacco fields in the Jingxi tobacco district of Guangxi Bai-color City is solved.
1.2 test site and time: the demonstration is carried out in Guangxi Baise Jingxi city in 2019 from 1 month to 9 months, the demonstration place is selected to be a place which can represent the integral production level of local flue-cured tobacco, the demonstration place is flat in terrain, convenient to transport and drain and irrigate, and the demonstration place is far away from industrial and mining areas, industrial pollution sources, domestic waste yards and the like.
1.3 test varieties: local conventional variety.
1.4 fertilizers used in the tests: the bio-stimulant-containing medium and trace element water-soluble fertilizer prepared in the embodiment 1 of the invention, a compound fertilizer (9-9-26), an organic fertilizer, potassium nitrate and potassium sulfate.
1.5 design of the test
The demonstration area and the comparison area are consistent in production measures except for different application of medium and trace element fertilizers, and are managed according to local high-quality tobacco production technologies. The fertilization rates for the demonstration and control zones are shown in Table 1.
TABLE 1 exemplary and control areas Fertilizer application
2. Survey item and method
2.1 examination of the growth period
And respectively observing and recording the time of 50 percent of tobacco plants in the whole field of the demonstration area and the control area to reach the stem, grow vigorously, bud emergence, topping, first picking and baking and last picking and baking, and calculating the whole growth period. The influence of the medium trace element full water-soluble fertilizer containing the biostimulant on the growth of tobacco plants is discussed.
2.2 field growth investigation
The growth phase of the tobacco plants in the demonstration area and the control area is respectively investigated in the plate-setting period, the root-growing period, the vigorous growth period, the bud period and the roasting period, and the investigation contents comprise: growth vigor of the field, uniformity, growth vigor of axillary buds, plant type and the like.
2.3 agronomic trait survey
in the demonstration area and the comparison area, 10 plants are randomly selected according to S-shaped distribution points, and the plant height, the number of leaves, the stem circumference, the pitch, the length of the upper, middle and lower leaves and the width of the leaves of the whole plant are measured in the stem growing period, the bud growing period and before picking and baking (or 30, 40, 50 and 60 days after transplanting). The influence of the medium trace element full water-soluble fertilizer containing the biological stimulin on the agronomic shape of the tobacco plants is researched.
2.4 Pest survey
And selecting 100 plant areas of the demonstration area and the control area to carry out pest and disease damage investigation, counting the disease incidence and disease index of pests and disease, and researching the influence of the medium and trace element full water-soluble fertilizer containing the biostimulant on the stress resistance of the tobacco plants.
The specific determination method is based on GB/T23222-2008 tobacco pest grading investigation method.
Incidence (%) × 100 (number of tobacco plants affected/total number of tobacco plants investigated);
the disease index ∑ (number of disease stages × number of diseased plants at that stage) × 100/(number of highest disease stages × number of total investigated plants).
2.5 quality of production survey
Respectively collecting and roasting the demonstration area and the control area, grading according to 42-grade national flue-cured tobacco grading standard, counting the acre yield, the yield value, the average price, the first-class tobacco proportion and the medium-class tobacco proportion of the demonstration area and the control area, and researching the influence of the medium trace element fully water-soluble fertilizer containing the biostimulant on the economic traits of the flue-cured tobacco.
2.6 analysis of tobacco leaf internal composition
The demonstration area and the control area select 1Kg of each of the lower leaf (X2F), the middle leaf (C3F) and the upper leaf (B2F), the intrinsic chemical quality is checked, and the influence of the medium trace element water-soluble fertilizer containing the bio-stimulant on the intrinsic quality of the flue-cured tobacco is researched.
3. Results and summary
3.1 the effect of applying the full water-soluble fertilizer containing the medium trace elements of the biostimulant on the transplanting survival rate of the flue-cured tobacco, the results are shown in Table 2.
TABLE 2 survival rate of tobacco seedling transplantation in demonstration area
| Treatment of | Survival rate of tobacco seedling (%) 7 days after transplantation |
| Demonstration of | 100 |
| Control | 98 |
As can be seen from Table 2, the survival rate in the demonstration area is higher than that in the control area, which shows that the seedling raising effect is better when the full water-soluble fertilizer containing the medium trace elements of the biostimulant is applied, and is better than that of the conventional fertilizer.
3.2 Effect of applying the full water-soluble fertilizer containing the biological stimulin on the growth period of the flue-cured tobacco in the field, the results are shown in Table 3.
TABLE 3 demonstration of field growth period statistics in the demonstration area
As can be seen from the statistics of the field growth periods of the demonstration area and the control area in Table 3, the tobacco plant growth period of the demonstration area applying the medium and trace element full water-soluble fertilizer containing biostimulant is relatively advanced, which shows that the nutrient utilization rate of the medium and trace element full water-soluble fertilizer containing biostimulant is higher and the nutrient loss is less.
3.3 Effect of applying the full water-soluble fertilizer containing the medium trace elements of the biostimulant on the growth of tobacco plants in the field, the results are shown in Table 4.
TABLE 4 demonstration area field Performance
As can be seen from Table 4, the tobacco plants in the demonstration area were substantially equivalent in field growth phase to those in the control area throughout the field growth period, with no significant difference. The application of the medium trace element full water-soluble fertilizer containing the biostimulant has no influence on the growth vigor of the field.
3.4 Effect of applying the full water-soluble fertilizer containing the bio-stimulant medium trace elements on the agronomic traits of the flue-cured tobacco, the results are shown in Table 5.
table 5 demonstrates agronomic traits at various times
The agronomic character survey results of tobacco plants in the demonstration area and the control area of table 5 show that:
And (3) a agglomeration period: the plant height, stem circumference, pitch, leaf number of single plant and length and width of each part of the demonstration area are basically consistent with those of the comparison area.
Flourishing for a long time: the plant height, the diameter circumference, the length and the width of the blades at each part of the pitch and the number of each blade and each plant in the demonstration area are basically consistent with those in the comparison area.
In the bud stage: the plant height, the diameter circumference, the length and the width of the blades at each part of the pitch and the number of each blade and each plant in the demonstration area are basically consistent with those in the comparison area.
After capping: the plant height and the single plant leaf number of the demonstration area are larger than those of the comparison area, and the leaf length and width of each part are basically consistent with those of the comparison area. ,
By combining the agronomic characters of the demonstration area and the control area in the transplanting and growing period, the bud period, the capped plant height and the capped plant, the demonstration area can effectively increase the number of effective leaves and the capped plant height, and the economic income is increased from the side.
3.5 Effect of applying the full water-soluble fertilizer containing the medium trace elements of the biostimulant on the stress resistance of tobacco plants, the results are shown in Table 6.
Table 6 demonstrates disease occurrence statistics
As can be seen from Table 6, the tobacco plants in the demonstration area and the control area have the main diseases of target spot disease and climatic spot disease, and the incidence rate is higher. Wherein, the climatic spot diseases are all more than 50 percent. Control tobacco plants had a small amount of black neck disease. The incidence rates of the three diseases of the tobacco plants in the demonstration area are all lower than that of the tobacco plants in the conventional control area, and the tobacco plants in the demonstration area have no black neck disease, which shows that the disease resistance of the tobacco plants can be improved to a certain extent by applying the medium-trace element fully water-soluble fertilizer containing the biostimulant, the occurrence of the black neck disease is inhibited, and the occurrence of the diseases is reduced.
3.6 Effect of applying the full water-soluble fertilizer containing the medium trace elements of the biostimulant on the economic properties of tobacco leaves, the results are shown in Table 7.
Table 7 demonstration of economic trait statistics
As can be seen from Table 7, the application of the medium trace element fully water-soluble fertilizer containing biostimulant can improve the economic characters of tobacco leaves, increase the mu yield value, the mu yield and the first-class tobacco ratio, and increase the income.
4. Conclusion and discussion
From the perspective of agronomic characters, field performance and appearance quality of raw tobacco, tobacco plants in the demonstration area are obviously superior, and compared with tobacco plants in the comparison area, the demonstration area is neat in growth in each period of tobacco plant growth, large in number of leaves, thick and strong in tobacco plants, less in field diseases and insect pests, and more convenient in farming operation, so that the input cost is reduced. Although rainfall is large from the transplanting to the picking period, the influence on the demonstration area is small, and tobacco plants can normally yellow. From the economic character, each economic index of the tobacco plants in the demonstration area is higher than that of the tobacco plants in the control area, which shows that the tobacco leaf quality can be improved and the economic value of the flue-cured tobacco can be improved by applying the medium-trace element full water-soluble fertilizer containing the biostimulant.
Two tests on the effect of the biostimulant-containing medium and trace element fully water-soluble fertilizers prepared in examples 2 and 3 on the growth of corn
The method is characterized in that the method is selected to carry out demonstration in the Miscanthus floribunda city region of Delhong state with the most planted sweet and crisp corns and the most mature technology, and the influence of the medium and trace element full water-soluble fertilizer containing the biostimulant on the yield and quality of the sweet and crisp corns is explored.
1. Materials and methods
1.1 demonstration site
The Yunan province De hong Dai nationality Jing city of Mun autonomous State, N24 degrees 15 '24' and E98 degrees 15 '52' with an altitude of 790 meters. 2 mu of land with flat terrain and convenient water source irrigation is selected, and the land is far away from the plots of industrial and mining enterprises. The soil type is loam, the texture is clay soil, a small amount of sand and stones exist, and the fertility is moderate.
1.2 demonstration of materials
Test seedlings are tested: sowing the seeds in 17 days in 10 months, wherein the seedling raising mode is seedling bed seedling raising, and the seedling age is 13 days.
Fertilizer to be tested: compound fertilizer (N-P)2O5-K2O ═ 16-16-16), potassium sulfate for agricultural use, the bio-stimulant-containing medium and trace element fully water-soluble fertilizer prepared in example 2, and the bio-stimulant-containing medium and trace element fully water-soluble fertilizer prepared in example 3.
1.3 design of the experiment
The demonstration adopts a small-area same-field comparison mode, namely 2 mu of demonstration field and 4 mu of comparison field.
1.4 survey items
1.4.1 agronomic trait survey
Observing the growth vigor of the plants 15 days, 25 days, 35 days and 45 days after the transplanting, measuring and recording the plant height, the stem circumference and the leaf number, and simultaneously collecting comparative picture data.
1.4.2 growth phase survey
Recording the time of the staminate period, the spinning period and the wax ripening period, and collecting the comparative picture data.
1.4.3 yield survey
randomly selecting single corn cobs (not less than 10) in the demonstration area and the comparison area to perform plumpness comparison, weighing the weight, measuring and calculating the yield per mu, and collecting comparison picture data at the same time.
2. Demonstration process and record
2.1 transplantation
transplanting farming operations in the demonstration area and the control area are consistent.
2.2 base fertilizer
Application of Compound Fertilizer (N-P)2O5-K2O16-16-16) 40 kg/mu, uniformly spreading on the surface of the dead soil, and uniformly stirring with soil.
2.3 topdressing
The fertilizer is applied for 6 times, and the application amount is the same each time, namely the compound fertilizer (N-P)2O5-K2O16-16-16) is applied for 13 kg each time, the agricultural potassium sulfate is more than or equal to 50 percent and is applied for 2 kg each time, compared with a control area, the demonstration area 1 is additionally applied for 3 kg each time with the medium and trace element full water-soluble fertilizer containing the biostimulant prepared in the example 2, and the fertilizer is applied by adopting a spray irrigation mode; compared with the control area, the demonstration area 2 is additionally provided with 3 kg of the full water-soluble fertilizer containing the medium and trace elements of the biostimulant prepared in the example 3 each time, and the fertilizer is applied by adopting a spray irrigation mode.
3. Results and analysis
3.1 Effect of applying a medium trace element fully water-soluble fertilizer containing biostimulant on the growth vigor of corn plants, the results are shown in Table 8.
TABLE 8 field growth vigor growth phase
As can be seen from Table 8, the difference between the corn plants in the demonstration 1 region and the corn plants in the demonstration 2 region and the corn plants in the control region is large, and the whole growth vigor of the demonstration 1 region and the demonstration 2 region is strong and the uniformity is high; the corn plants in the control area have slightly poor growth vigor and uneven growth phase, and the plants in the whole soil moisture part are short and uneven.
3.2 Effect of applying the medium trace element fully water-soluble fertilizer containing biostimulant on agronomic characteristics of corn plants, the results are shown in Table 9.
TABLE 9 agronomic traits
Generally, the higher the plant height of a corn plant, the stronger the stalk and the more leaves of a single plant, indicate that the plant grows normally and well, and the better agronomic characters also represent high yield and high quality. As can be seen from Table 9, the difference in plant height between the maize plants in the demonstration area and the maize plants in the control area before the first fertilization was small, and the diameter circumference and the number of leaves per plant of the maize plants in the demonstration 1 area and the demonstration 2 area were superior to those of the maize plants in the control area. After the sixth fertilization, the plant heights and the leaf numbers of the individual plants in the demonstration 1 area and the demonstration 2 area are obviously higher than those in the control area, but the stem circumference difference is not obvious. The method shows that under the condition of the same base fertilizer, the application of the medium trace element fully water-soluble fertilizer containing the biostimulant can obviously increase the plant height of the plant and increase the leaf number of a single plant to a certain extent, but has little influence on the stem circumference of the plant.
3.3 Effect of applying the full water-soluble fertilizer containing bio-stimulants on the growth period of corn plants, the results are shown in Table 10.
TABLE 10 sweet crisp corn growth stage progression
| Treatment of | Stamina stage (sky) | Period of laying silks (Tian) | wax ripeness stage (sky) |
| Demonstration 1 | 49 | 67 | 93 |
| Demonstration 2 | 49 | 67 | 93 |
| Control | 49 | 67 | 93 |
As can be seen from table 10, the corn plants in the demonstration 1 and demonstration 2 zones were not significantly different from the corn plants in the control zone for the development of the growing period, for a total of 93 days from transplanting to harvesting, reached the androgenesis period after about 49 days after transplanting, and the silking period reached about 67 days after transplanting.
3.4 Effect of applying a fully water-soluble fertilizer containing bio-stimulants on the yield of maize plants, the results are shown in Table 11.
TABLE 11 sweet crisp corn yield
| treatment of | Average price (Yuan/kg) | Mu yield kg) | Mu yield value (Yuan) |
| Demonstration 1 | 5.0 | 1370.0 | 6850.0 |
| Demonstration 2 | 5.0 | 1382.0 | 6910.0 |
| Control | 5.0 | 1235.0 | 6175.0 |
As can be seen from Table 11, the average price of the demonstration 1 area and the demonstration 2 area is the same as that of the control area, and the acre yield of the demonstration 1 area and the demonstration 2 area are obviously superior to those of the control area, wherein the acre yield of the demonstration 1 area is increased by 135.0 kg, and the acre yield is increased by 675.0 yuan; the yield per mu of the demonstration 2 area is improved by 147.0 kg, and the yield per mu is improved by 735.0 yuan. The fact that the yield and the output value of the sweet and crisp corn can be increased by additionally applying the full water-soluble fertilizer containing the medium trace elements of the biostimulant under the condition that the base fertilizer and the additional fertilizer are the same is demonstrated.
Discussion 4
From the growth phase, under the condition that the base fertilizer and the additional fertilizer are the same, the corn which is added with the medium and trace element full water-soluble fertilizer containing the biostimulant has higher uniformity and stronger growth vigor, which shows that the application of the medium and trace element full water-soluble fertilizer containing the biostimulant can increase the growth vigor of the sweet and crisp corn, can quickly provide nutrients for plants and promote the normal growth of the plants.
From the aspect of agronomic characters, the plant height and the number of single plant leaves of the sweet and crisp corn can be increased by applying the medium and trace element full water-soluble fertilizer containing the biostimulant, but the influence on the stem circumference is small, which indicates that the plant height and the number of single plant leaves can be increased by applying the medium and trace element full water-soluble fertilizer containing the biostimulant to a certain extent, and the plant growth can be enhanced by combining the biostimulant and the medium and trace elements.
From the aspects of yield and output value, the yield and output value of the sweet and crisp corn can be obviously increased by additionally applying the medium and trace element full water-soluble fertilizer containing the biostimulant.
the medium trace element full water-soluble fertilizer containing the biological stimulin has good water solubility and no residue, can be completely dissolved in water, and can be directly absorbed and utilized by root systems and leaf surfaces of crops. The water and fertilizer are applied simultaneously, and water is used for carrying the fertilizer, so that the water and fertilizer integration is realized, and the effective absorption rate of the fertilizer is more than one time higher than that of the common fertilizer and reaches 80-90 percent; the fertilizer efficiency is fast, and the nutritional requirement of the high-yield crops in the fast growth period can be met; and the water demand of the drip irrigation system is only 30% of that of the common fertilizer, and the fertilization operation almost needs no manpower, thereby greatly saving the labor cost.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (7)
1. The medium trace element full water-soluble fertilizer containing the biological stimulin is characterized in that the fertilizer is prepared by mixing a medium trace element raw material, a biological stimulin raw material and an auxiliary agent; the fertilizer comprises the following raw materials in parts by weight:
Medium trace element raw materials: 5-10 parts of chelated calcium, 4-8 parts of magnesium sulfate heptahydrate, 3-9 parts of ferric sulfate, 2-8 parts of zinc sulfate, 2-5 parts of manganese sulfate, 0.5-1 part of copper sulfate, 0.05-0.1 part of ammonium molybdate and 1-3 parts of sodium borate decahydrate;
Biological stimulin raw materials: 15-30 parts of potassium fulvate, 10-20 parts of sodium alginate, 15-20 parts of amino acid and 10-15 parts of potassium silicate;
Auxiliary agent: 0.1 to 0.5 portion.
2. The full water-soluble fertilizer containing the medium and trace elements of the biostimulant according to claim 1, wherein the auxiliary agent is a water-soluble fertilizer anti-caking agent.
3. The medium trace element fully water-soluble fertilizer containing biostimulant according to claim 1, wherein the amino acid is one or more of glycine, glutamic acid, proline, lysine, alanine, phenylalanine, methionine, threonine and aspartic acid.
4. The preparation method of the medium trace element water-soluble fertilizer containing the biostimulant is characterized by comprising the following steps:
The ingredients are weighed according to the following parts by weight:
medium trace element raw materials: 5-10 parts of chelated calcium, 4-8 parts of magnesium sulfate heptahydrate, 3-9 parts of ferric sulfate, 2-8 parts of zinc sulfate, 2-5 parts of manganese sulfate, 0.5-1 part of copper sulfate, 0.05-0.1 part of ammonium molybdate, 1-3 parts of sodium borate decahydrate,
Biological stimulin raw materials: 15-30 parts of potassium fulvate, 10-20 parts of sodium alginate, 15-20 parts of amino acid and 10-15 parts of potassium silicate,
Auxiliary agent: 0.1-0.5 part;
Mixing, namely uniformly mixing the weighed chelated calcium, magnesium sulfate heptahydrate, ferric sulfate, zinc sulfate, manganese sulfate, copper sulfate, ammonium molybdate, sodium borate decahydrate, potassium fulvate, sodium alginate, amino acid, potassium silicate and an auxiliary agent to prepare the medium and trace element fully water-soluble fertilizer containing the biostimulant.
5. The method for preparing the bio-stimulant-containing medium trace element water-soluble fertilizer as claimed in claim 4, wherein the method further comprises the following steps:
The biological stimulator-containing medium and trace element full-water-soluble fertilizer prepared by mixing the raw materials is dried and crushed to the granularity of 40-50 meshes, and then the fertilizer is bagged and packaged.
6. The method for preparing the fully water-soluble fertilizer containing the trace elements of the biostimulant according to claim 4, wherein the auxiliary agent is a water-soluble fertilizer anti-caking agent.
7. the method for preparing the bio-stimulant-containing medium trace element water-soluble fertilizer as claimed in claim 6, wherein the chelated calcium, magnesium sulfate heptahydrate, ferric sulfate, zinc sulfate, manganese sulfate, copper sulfate, ammonium molybdate, sodium borate decahydrate, potassium fulvate, sodium alginate, amino acid, potassium silicate and water-soluble fertilizer anti-caking agent are in powder form and are in a water-soluble dosage form.
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