CN1513816A - Chelating type multielement composite plant nutritive liquid and its preparation method - Google Patents
Chelating type multielement composite plant nutritive liquid and its preparation method Download PDFInfo
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Abstract
A chelated composite multi-element nutritive liquid for plant is prepared from 16 raw materials including N fertilizer, potassium dihydrogen phosphate, magnesium salt, copper salt, vitamines, etc through proportionally mixing, heating, stirring, filtering, and diluting. Its advantages are high utilization rate of its active components, high effect, durable action, preventing and eliminating diseases of plant, and increainsg yield.
Description
Technical field
The present invention relates to field of compound fertilizer production, a kind of specifically polynary compound plant nutrient liquid of chelating type that improves crop yield and quality and preparation method thereof.
Background technology
China's agricultural improves the output of farm crop to use a large amount of nitrogen, phosphorus, potassium fertilizer for a long time, raising along with output, crop and fruit has been taken away increasing trace element, making that the shortage of trace element becomes in the soil is on the rise, show that according to the soil investigation data all there is the shortage of trace element in various degree in the most of area of China.In order to change traditional tillage method, in a planned way apply fertilizer, change application process and balance fertilizing, improve agroecological environment and owing to use insoluble problems such as environmental pollution, fruit that chemical fertilizer brings be spoiled in a large number, various trace element fertilizers such as mixed type, regulate fertilizer such as formulation, nutritional type and put on market in succession, this is to improving crops quality, improving output and obtained effect preferably.But mixed type fertilizer is more coarse on production technique, and some important element can not be dissolved, and has reduced the validity of fertilizer; Added synthetic hormone mostly and regulate formulation fertilizer, it can not only destroy, and fruit is former has good taste, and can HUMAN HEALTH be worked the mischief; And the nutritional type composite fertilizer that much is mixed with inorganic salt, because the interaction of different kinds of ions in the antagonistic action between each element and chemical reaction and the soil, make most elements be insoluble in the inorganic salt of water and can not be utilized by crop absorption by soil fixing or generation.Report sequestrant production composite fertilizers such as external useful EDTA, citric acid in this respect, be used for agriculture production to have obtained effect preferably, but because its cost is high-leveled and difficult in promoting in China.In order to obtain Cheap highly effective composite fertilizer, more deep research and development has been done by agricultural and relevant departments, spray products such as treasured, Handilong, green wind 95, blade face treasured and occur in market in succession, these products are to improving crop yield, improving aspect such as quality of agricultural product and made outstanding contributions.Fast development along with the modern agriculture science and technology, aspects such as the utilization rate of active components of related compound fertilizer product, stability, resistance, application effect requirements at the higher level have been proposed, make the high-quality and efficient solvay-type of exploitation, chelating type complex fertilizer product become a urgent problem, and obtain more scientific payoffs in this respect.(application number is: 01103975.2) on October 2nd, 2002 disclosed " a kind of compound in trace element chelated fertilizer and production method thereof " as State Intellectual Property Office, having introduced with discarded albumen and weathered coal is raw material, through mineral acid hydrolysis, humic acids chelated microelement, make chelating type composite fertilizer with N, P, K after composite, the fertile stable performance of this chelating, can prevent the untoward reaction between different element ions, be easy to be utilized by plant absorbing, improve fertilizer efficiency, replenish the required nutritive element of plant comprehensively, reach the purpose of balance fertilizing.But there are drawbacks such as complex manufacturing technology, production cycle length, cost height.
Summary of the invention
The object of the invention provides polynary compound plant nutrient liquid of a kind of chelating type pollution-free, many effects and preparation method thereof, in order to rational application of fertilizers and the balance problem of fertilization in the solution agriculture production, and overcomes the deficiencies in the prior art.
The polynary compound plant nutrient liquid of chelating type of the present invention comprises by following components by weight portion to be made:
0.2～0.5 part of 10～30 parts of VITAMIN of nitrogenous fertilizer
3～5 parts of 8～12 parts of phytic acid of potassium primary phosphate
0.1～0.3 part of 0.2～1 part of inositol of magnesium salts
0.2～1 part of amino acid/11 .3～3 of mantoquita part
5～8 parts of 0.5～2 part of Succinic Acid of zinc salt
5～8 parts of 0.2～1 part of pentanedioic acids of manganese salt
0.05～0.1 part of 0.5～2 part of ammoniacal liquor of ferrous salt
25～65 parts of 0.2～0.5 part of softening waters of boric acid.
The present invention also contains 1～2 part citric acid by ratio of weight and the number of copies respectively, and its effect one is to be used from chelated microelement with other sequestrant one, and the 2nd, be used from adjusting pH value with ammoniacal liquor and citric acid one.
The polynary compound plant nutrient liquid and preparation method thereof of chelating type of the present invention is:
It may further comprise the steps:
A. the preparation of solution A: get 20～50 parts of softening waters by ratio of weight and the number of copies, be heated to the Succinic Acid that adds 5～8 parts after 35～45 ℃ respectively, 5～8 parts pentanedioic acid and 1～2 part citric acid, fully stirred 30～40 minutes and insulation, add 10～30 parts nitrogenous fertilizer and 8～12 parts potassium primary phosphate then, and fully make solution A after the stirring and dissolving;
B. the preparation of solution B: get an amount of softening water, add 3～5 parts phytic acid and 0.1～0.3 part inositol when being heated to 35～45 ℃, stir the amino acid that adds 1.3～3 parts after 15～30 minutes, fully stir and make it dissolving, and under whipped state, add 0.2～0.5 part VITAMIN, leave standstill after the dissolving and made solution B in 3～5 hours;
C. the preparation of solution C: get an amount of softening water, add 0.5～2 part ferrous salt, 0.2～1 part mantoquita, 0.5～2 part zinc salt, 0.2～1 part manganese salt and 0.2～1 part magnesium salts respectively by the order of ferrous salt, mantoquita, zinc salt, manganese salt, magnesium salts during in heat to 40～50 ℃, the boric acid that fully adds 0.2～0.5 part after the stirring and dissolving, stirring is made solution C after making its dissolving, for avoiding antagonistic action and the chemical reaction between each element, every kind of salt release time is no less than 15 minutes at interval, also each trace element classification can be dropped into dissolving back all separately;
D. under 40～50 ℃ of conditions, solution A is mixed with solution B, stir after 30～40 minutes, again solution C is added in the mixed solution of solution A and solution B, stir and make mother liquor after 40～50 minutes;
E. regulate the potential of hydrogen of mother liquor with ammoniacal liquor, vitamins C and citric acid, the pH value of mother liquor is controlled between 4.5～6.5, add the softening water of surplus then by ratio of weight and the number of copies, remove by filter impurity, make the polynary compound plant nutrient liquid of chelating type of the present invention after canned.
In order to improve the degeneration-resistant function of crop, the inducible factor of proline(Pro) and trimethyl-glycine such as organic diprotic acid, Fe have been added in the present invention
2+With citric acid etc., be allowed to condition at and generate more proline(Pro) and trimethyl-glycine in the plant materials, these two kinds of materials can both show very strong resistance in conditions such as drought and waterlogging, chilling injuries, in addition only at pentanedioic acid, vitamins C, Fe
2+The intravital hydroxylation base of plant enzyme just has activity under the condition that exists, so the present invention has added organic dibasic acid, vitamins C and Fe
2+, to excite the activity of hydroxylase, more cellularstructure albumen is synthesized in catalysis, makes more proline(Pro), thereby has improved the stronger degeneration-resistant function of plant.Because the present invention is with phytic acid, inositol, citric acid and organic dibasic acid are done sequestrant, make the stability of product improve, antioxidant property is better than like product, pH value zone is wide, be easy to precipitation and problem of oxidation so solved some metal ions, thereby improved utilization rate of active components and fertilizer efficiency greatly, thereby can reduce the amount of application and the application times of fertilizer, greatly reduced agriculture production cost, and it is simple for production, easy to use, product performance are stable, and validity period is long, strong stress resistance, be widely used in various farm crop, obvious effect of increasing production sprays once at plant leaf surface and just can play unusual effect.By simultaneous test and pilot scale, the present invention also has positive effect at aspects such as short precocity, the taste of raising fruit, the increase sugar contents of fruit, and has the sterilization anthelmintic action, has remarkable social benefit and economic benefit.
Embodiment
Below in conjunction with drawings and the specific embodiments the present invention is further described:
Fig. 1 is a process flow sheet of the present invention.
Formulation Example of the present invention sees the following form: (unit: Kg)
| Ammoniacal liquor | ??0.05 | ??0.1 | ??0.07 | ??0.05 | ????0.1 | ????0.07 |
| Softening water | ??25 | ??65 | ??40 | ??65 | ????40 | ????25 |
Its preparation technology is: take by weighing softening water (also available deionized water, pure water or distilled water) at first by ratio of weight and the number of copies, when being heated to 35～45 ℃, add Succinic Acid, pentanedioic acid and lemon (or other temperature in 35～45 ℃ of intervals) respectively, fully stirred 30 minutes and insulation (or 30～40 minutes), add urea and potassium primary phosphate then, and fully make solution A after the stirring and dissolving;
Get an amount of softening water again, add phytic acid and inositol (or other temperature in 35～45 ℃ of intervals) when being heated to 45 ℃, stir (or 15～30 minutes) after 30 minutes, add niacinamide and glycine, fully stir and make it dissolving, and under whipped state, add vitamins B
2And vitamins B
6, leave standstill after the dissolving and made solution B in 4 hours;
Get an amount of softening water again, when being heated to 40 ℃ under whipped state the order by ferrous salt, mantoquita, zinc salt, manganese salt, magnesium salts add ferrous sulfate, copper sulfate, zinc sulfate, manganous sulfate and sal epsom (or other temperature in 40～50 ℃ of intervals) respectively, and make every kind of salt release time be no less than 15 minutes at interval, add boric acid then, stirring makes its dissolving, fully makes solution C after the stirring and dissolving;
Under 40 ℃ of conditions, solution A is mixed (or other temperature in 40～50 ℃ of intervals) with solution B, stir (or 30～40 minutes) after 30 minutes, again solution C is added in the mixed solution of solution A and solution B, stir and made mother liquor (or 40～50 minutes) in 40 minutes.Potential of hydrogen with ammoniacal liquor, vitamins C, citric acid adjusting mother liquor, the pH value of mother liquor is controlled between 4.5～6.5, add the softening water of surplus then by ratio of weight and the number of copies, remove by filter impurity, make the polynary compound plant nutrient liquid of chelating type of the present invention after canned.
The present invention uses pilot scale example (name when the present invention is used for pilot scale is called " too liquid ", so the present invention is hereinafter to be referred as liquid too):
1.2001 year winter sprays and irritates the root test with liquid too on Da Shi township, Jingxing County, Hebei province plastic tent cucumber, because of heavy snow was not seen sunlight in more than 20 day, have with the plastic tent cucumber of liquid too and freeze to death more than 80% or rigid, uses the too whole normal growths of cucumber of liquid.
2.2001 year suburb, Songyuan City, Jilin Province is under tens days no sunlight and snowfall cold conditions, after the booth rice sprouts sprayed too liquid, rice sprouts can the normal growth growth, and the rice shoot of usefulness is not taken root or be withered.
3.2001 year June, suffer to spray too on the cotton field of serious disaster caused by hail liquid grows young leaves and cotton boll after two months in Hou Laoli township, Gucheng County, Hebei province, and obtains harvest.
4. testing on melon dish, the corn and using and obtaining on the basis of remarkable effect of increasing production, liquid is applied on peanut in order to make too, calendar year 2001 increases Sheng town Li Yong village Nan Shenjingtun and selects for use the living kind of four safflowers to compare test in the Songyuan City, Heilongjiang Province, promptly spray too liquid and impose two processing of urea, each 5000 square meter of area, use the too liquid of 50 times of liquid to mix peanut kind 100Kg before the sowing, spray 200 times of too liquid respectively at initial bloom stage and following pin phase, and the check plot imposes urea 5Kg when envelope is held together.Test-results is: the test site seedling is neat, sturdy, leaf color depth, disease light, the pod ripening degree is good, setting is many; The check plot seedling is thin and delicate, yellow leaf, leaf spot are more, to no effect many, and early ageing is obvious.The product result is surveyed in sampling: use the too heavy 197.5g of all kinds of fruits of liquid zone, 100-grain weight 45g imposes the heavy 163.5g of urea district all kinds of fruits, 100-grain weight 32g.Related content sees Appendix 1.
5.2001 on the moderate salinization grass village soil on Guo irrigated area lotus flower bubble farm, compare test (related content sees Appendix 2) year before Jilin Province with Feng You 301 rice varieties.
The every mu of fertilizer application amount in check plot is: urea 25Kg+ two ammonium 10Kg+ vitriolate of tartar 10Kg+ zinc sulfate Kg;
Every mu of fertilizer application amount of treatment zone is identical with the check plot+spray too liquid secondary, and promptly every mu of each consumption 100ml dilutes 200 times of liquid, respectively sprays once in paddy rice booting early stage and filling stage respectively.
Test-results is:
6.2002 on the moderate salinization grass village soil on Guo irrigated area lotus flower bubble farm, do rice seedling bed test and Honda test (related content sees Appendix 3) before year Jilin Province with Feng You 320 rice varieties.Relevant rice seedling quality relatively sees the following form:
7.1999 year, Songyuan City, the Jilin Province Ningjiang District agricultural technology center and the Ningjiang District association for science and technology have carried out plot experiment (related content sees Appendix 4) on corn in Songyuan City Ningjiang District Dawa County town faces south test garden, village.Lucky single 180 corn varieties that adopt Ningjiang District seeds company to provide in the test, testing sequence is:
The sub-district is 1.. and with too 50 times of liquid seed soaking 3 hours of liquid preparation of 300ml, dry the back sowing with the per hectare corn seed, and in the jointing stage with go out preceding blade face of knotweed phase and respectively spray the present invention once, each per hectare is with liquid 700ml too;
The sub-district is 2.. and too the liquid seed soaking+jointing stage imposes and sprays too liquid before urea 175Kg/ hectare+the go out knotweed once;
The sub-district is 3.. and too liquid seed soaking+full dose imposes chemical fertilizer (promptly impose urea 250Kg/ hectare in the jointing stage, go out knotweed before impose urea 100Kg/ hectare);
The sub-district is 4.. in the jointing stage, go out knotweed before the blade face respectively spray too liquid once (method with the sub-district 1.);
The sub-district is 5.. and the jointing stage imposes before urea 250Kg/ hectare+the go out knotweed foliage-spray, and too liquid is once;
The sub-district is 6.. and chemical fertilizer check plot (be called for short CK district) imposes urea 250Kg/ hectare in the jointing stage, imposes urea 100Kg/ hectare before going out knotweed.
In the test whole process, each phenological period has been carried out biology investigation record, carried out the phytology investigation, and before autumn harvest, surveyed and produce investigation, lodging condition survey etc. at jointing stage, tasseling stage.Wherein giving birth to the phenological period investigation sees the following form:
| Handle number | Contents processing | Sowing date (month. day) | Emerge the date (month. day) | Take out the male date (month. day) | Reel off raw silk from cocoons the date (month. day) | The ripe date (month. day) | Harvest date (month. day) | Emerge to ripe fertility day |
| ① | Soak seed+spray too liquid 2 times of liquid too | 5.1 | 5.16 | 7.23 | 7.25 | 9.10 | 10.6 | 126 |
| ② | Too liquid seed soaking+half amount chases after chemical fertilizer+foliar spray 1 time | 5.1 | ?5.16 | ?7.23 | ?7.25 | ?9.20 | ?10.6 | ??127 |
| ③ | Too liquid seed soaking+full dose imposes chemical fertilizer 2 times | 5.1 | ?5.16 | ?7.23 | ?7.25 | ?9.21 | ?10.6 | ??128 |
| ④ | Foliage-spray is liquid 2 times too | 5.1 | ?5.18 | ?7.26 | ?7.28 | ?9.20 | ?10.6 | ??125 |
| ⑤ | Half amount imposes too liquid 1 time of chemical fertilizer+foliage-spray | 5.1 | ?5.18 | ?7.26 | ?7.29 | ?9.21 | ?10.6 | ??126 |
| ⑥ | CK district full dose imposes chemical fertilizer 2 times | 5.1 | ?5.18 | ?7.27 | ?7.30 | ?9.24 | ?10.6 | ??129 |
Can see that from investigation all usefulness too corn of liquid seed soaking was all emerged 2 days ahead of time, and early took out male 3～4 days, early reeled off raw silk from cocoons 3～5 days.
By field test, effect of increasing production gathers as following table:
| Handle number | Contents processing | Sub-district area m 2 | Cell production Kg | Amount to a hectare per unit area yield (kg/ hectare) | Than CK district volume increase (kg/ hectare) | Than CK district stimulation ratio (%) |
| ① | Soak seed+spray too liquid 2 times of liquid too | 45.36 | ?38.33 | ??7605.16 | ??+837.30 | ??+12.37 |
| ② | Too liquid seed soaking+half amount chases after chemical fertilizer+foliar spray 1 time | 45.36 | ?38.94 | ??7726.19 | ??+958.33 | ??+14.16 |
| ③ | Too liquid seed soaking+full dose imposes chemical fertilizer 2 times | 45.36 | ?36.03 | ??7148.81 | ??+380.95 | ??+5.63 |
| ④ | Foliage-spray is liquid 2 times too | 45.36 | ?37.05 | ??7351.19 | ??+583.33 | ??+8.62 |
| ⑤ | Half amount imposes too liquid 1 time of chemical fertilizer+foliage-spray | 45.36 | ?36.54 | ??7250.00 | ??+482.14 | ??+7.12 |
| ⑥ | CK district full dose imposes chemical fertilizer 2 times | 45.36 | ?34.11 | ??6767.86 | ??-- | ??-- |
Effect of increasing production is as follows after using too liquid with northeast, North China, Hainan, Xinjiang and other places:
| Kind | Paddy rice | Wheat | Corn | Cotton | Vegetables | Fruit tree |
| Amount of increase in production (%) | 15～22 | ?15～20 | ?5.6～12.3 | ?11.5～22 | ?24.5～50 | ?14～36 |
By pilot scale, can find out the present invention promptly too liquid combat a natural disaster obvious effect of increasing production, and be widely used in grain, dish, really, medicine, woods, the multiple green crop of wet goods, have resistant to lodging, strong stress resistance, anti-chilling injury, overcome not taking root and stiff seedling phenomenon that low temperature causes, and had drought resisting, waterlogging, hot-dry wind tolerance, characteristics such as maturation, quality better early.
Claims (11)
1. polynary compound plant nutrient liquid of chelating type is characterized in that it comprises by following components by weight portion to make:
0.2～0.5 part of 10～30 parts of VITAMIN of nitrogenous fertilizer
3～5 parts of 8～12 parts of phytic acid of potassium primary phosphate
0.1～0.3 part of 0.2～1 part of inositol of magnesium salts
0.2～1 part of amino acid/11 .3～3 of mantoquita part
5～8 parts of 0.5～2 part of Succinic Acid of zinc salt
5～8 parts of 0.2～1 part of pentanedioic acids of manganese salt
0.05～0.1 part of 0.5～2 part of ammoniacal liquor of ferrous salt
25～65 parts of 0.2～0.5 part of softening waters of boric acid.
2. the polynary compound plant nutrient liquid of chelating type according to claim 1 is characterized in that also including by ratio of weight and the number of copies 1～2 part citric acid.
3. the polynary compound plant nutrient liquid of chelating type according to claim 1 is characterized in that described nitrogenous fertilizer is one or more in urea, ammonium nitrate, saltpetre and the SODIUMNITRATE.
4. the polynary compound plant nutrient liquid of chelating type according to claim 1 is characterized in that described magnesium salts is one or more in sal epsom and the magnesium nitrate.
5. the polynary compound plant nutrient liquid of chelating type according to claim 1 is characterized in that described mantoquita is one or more in copper sulfate, cupric nitrate and the cupric chloride.
6. the polynary compound plant nutrient liquid of chelating type according to claim 1 is characterized in that described zinc salt is one or more in zinc sulfate, zinc nitrate and the zinc chloride.
7. the polynary compound plant nutrient liquid of chelating type according to claim 1 is characterized in that described manganese salt is one or more in manganous sulfate, manganous nitrate and the Manganous chloride tetrahydrate.
8. the polynary compound plant nutrient liquid of chelating type according to claim 1 is characterized in that described ferrous salt is one or more in ferrous sulfate, iron protochloride and the Iron nitrate.
9. the polynary compound plant nutrient liquid of chelating type according to claim 1 is characterized in that described amino acid is one or more in niacinamide, glycine, aspartic acid and the Methionin.
10. the polynary compound plant nutrient liquid of chelating type according to claim 1 is characterized in that described VITAMIN is vitamins C, vitamins B
2And vitamins B
6In one or more.
11. a production method for preparing the polynary compound plant nutrient liquid of chelating type is characterized in that it may further comprise the steps:
A. the preparation of solution A: get 25～50 parts of softening waters by ratio of weight and the number of copies, be heated to the Succinic Acid that adds 5～8 parts after 35～45 ℃ respectively, 5～8 parts pentanedioic acid and 1～2 part citric acid, fully stirred 30～40 minutes and insulation, add 10～30 parts nitrogenous fertilizer and 8～12 parts potassium primary phosphate then, and fully make solution A after the stirring and dissolving;
B. the preparation of solution B: get an amount of softening water, add 3～5 parts phytic acid and 0.1～0.3 part inositol when being heated to 35～45 ℃, stir the amino acid that adds 1.3～3 parts after 15～30 minutes, fully stir and make it dissolving, and under whipped state, add 0.2～0.5 part VITAMIN, make solution B after the dissolving;
C. the preparation of solution C: get an amount of softening water, when being heated to 40～50 ℃, add 0.5～2 part ferrous salt, 0.2～1 part mantoquita, 0.5～2 part zinc salt, 0.2～1 part manganese salt and 0.2～1 part magnesium salts respectively by the order of ferrous salt, mantoquita, zinc salt, manganese salt, magnesium salts, the boric acid that fully adds 0.2～0.5 part after the stirring and dissolving, stirring is made solution C after making its dissolving;
D. under 40～50 ℃ of conditions, solution A is mixed with solution B, stir after 30～40 minutes, again solution C is added in the mixed solution of solution A and solution B, stir and make mother liquor after 40～50 minutes;
E. the potential of hydrogen of regulating mother liquor with ammoniacal liquor, vitamins C and citric acid, the pH value that makes mother liquor adds the softening water of surplus then by ratio of weight and the number of copies between 4.5～6.5, filtration, canned after, make the polynary compound plant nutrient liquid of chelating type of the present invention.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101803A (en) * | 2010-12-14 | 2011-06-22 | 金陵科技学院 | Water culture nutrient solution of blueberry and preparation method thereof |
| CN102108036A (en) * | 2011-03-11 | 2011-06-29 | 李庆康 | Organic fertilizer quality-stabilizing synergistic regulator and organic fertilizer |
| CN103787783A (en) * | 2014-03-03 | 2014-05-14 | 胡广群 | Compound corn growth nutrition conditioner and application thereof |
| CN104211518A (en) * | 2014-09-07 | 2014-12-17 | 尹红 | Plant growth nutrient solution |
| CN104529627A (en) * | 2014-12-15 | 2015-04-22 | 陕西大润地农业科技有限公司 | Concentrate capable of promoting growth of green plants |
| CN105016851A (en) * | 2015-05-18 | 2015-11-04 | 深圳文科园林股份有限公司 | Nutrient solution in soilless culture of camellia and preparation method therefor |
| CN105347924A (en) * | 2015-11-10 | 2016-02-24 | 无锡市路华肥料科技有限公司 | Wheat rust resistant fertilizer |
| CN105359693A (en) * | 2015-10-21 | 2016-03-02 | 山东省潍坊市农业科学院 | Method for effectively preventing iron deficiency yellowtop of fruit trees |
| CN106748343A (en) * | 2017-03-24 | 2017-05-31 | 烟台固特丽生物科技股份有限公司 | It is prepared by a kind of crop nutrient solution containing chitosan oligosaccharide chelated iron zinc |
| CN107188704A (en) * | 2017-06-27 | 2017-09-22 | 青岛大学 | A kind of special chelating fertilizer of leaf vegetables |
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2003
- 2003-06-04 CN CN 03140834 patent/CN1216834C/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102101803A (en) * | 2010-12-14 | 2011-06-22 | 金陵科技学院 | Water culture nutrient solution of blueberry and preparation method thereof |
| CN102108036A (en) * | 2011-03-11 | 2011-06-29 | 李庆康 | Organic fertilizer quality-stabilizing synergistic regulator and organic fertilizer |
| CN102108036B (en) * | 2011-03-11 | 2013-04-17 | 李庆康 | Organic fertilizer quality-stabilizing synergistic regulator and organic fertilizer |
| CN103787783A (en) * | 2014-03-03 | 2014-05-14 | 胡广群 | Compound corn growth nutrition conditioner and application thereof |
| CN104211518A (en) * | 2014-09-07 | 2014-12-17 | 尹红 | Plant growth nutrient solution |
| CN104529627A (en) * | 2014-12-15 | 2015-04-22 | 陕西大润地农业科技有限公司 | Concentrate capable of promoting growth of green plants |
| CN105016851A (en) * | 2015-05-18 | 2015-11-04 | 深圳文科园林股份有限公司 | Nutrient solution in soilless culture of camellia and preparation method therefor |
| CN105359693A (en) * | 2015-10-21 | 2016-03-02 | 山东省潍坊市农业科学院 | Method for effectively preventing iron deficiency yellowtop of fruit trees |
| CN105359693B (en) * | 2015-10-21 | 2017-12-19 | 山东省潍坊市农业科学院 | A kind of method of efficiently preventing and treating Chlorosis in Fruit trees yellowtop |
| CN105347924A (en) * | 2015-11-10 | 2016-02-24 | 无锡市路华肥料科技有限公司 | Wheat rust resistant fertilizer |
| CN106748343A (en) * | 2017-03-24 | 2017-05-31 | 烟台固特丽生物科技股份有限公司 | It is prepared by a kind of crop nutrient solution containing chitosan oligosaccharide chelated iron zinc |
| CN107188704A (en) * | 2017-06-27 | 2017-09-22 | 青岛大学 | A kind of special chelating fertilizer of leaf vegetables |
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