CN102503657A - Amino acid calcium boron chelated foliar fertilizer and preparation method thereof - Google Patents
Amino acid calcium boron chelated foliar fertilizer and preparation method thereof Download PDFInfo
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- CN102503657A CN102503657A CN2011103066882A CN201110306688A CN102503657A CN 102503657 A CN102503657 A CN 102503657A CN 2011103066882 A CN2011103066882 A CN 2011103066882A CN 201110306688 A CN201110306688 A CN 201110306688A CN 102503657 A CN102503657 A CN 102503657A
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Abstract
The invention discloses an amino acid calcium boron chelated foliar fertilizer and a preparation method thereof; the fertilizer is a liquid fertilizer prepared by chelating a calcium containing compound and a boron calcium containing compound with amino acids in the presence of EDTA, a surfactant and an additive, wherein, the amino acid is not less than 100 g/L; the calcium is not less than 30 g/L; the boron is not less than 2.5 g/L; and the mass ratio of EDTA is 2-4%. The application of the amino acid calcium boron chelated fertilizer can promote fruit expansion, increase single fruit weight, reduce or treat bitter pit diseases, blossom-end rot, and black red-dot diseases caused by calcium and boron deficiency, thus increase fruit yield, improve fruit quality, and significantly improve economic benefits.
Description
Technical field
The invention belongs to agriculture compound calcareous fertilisers technical field, relate to a kind of amino acid calcium boron chelating foliage fertilizer and preparation method thereof.
Background technology
Calcium form with calcium pectinate in making object exists, and is the moity of cell walls mesogloea.Calcium and protein bound are the important component parts of cytoplasmic membrane, and cell membrane constitutes and reduction cell membrane permeability plays an important role, and restrictive cell liquid exosmoses, and regulates its potential of hydrogen.Calcium can also promote nitrogen metabolism and glucide to transform, and reduces the nitrate salt in the plant, in plant in organic acid, the organic acid that produces in the metabolic process is had detoxification.
Calcium is to be transported to leaf, really, organ such as the tender tip after, through iuntercellular pass into through xylem with water with the calcium ion form in plant materials, and calcium could get into each cell in these organs.Because calcium ion is positively charged, receives the influence of negative charge group on tracheid's wall in the transportation, travelling speed low and moisture far away.Also owing to the active calcium ion content in the soil is very low, calcium absorbs transportation slowly in plant materials, and transpiration causes calcium to distribute factors such as imbalance each crop organ in addition, causes the general calcium deficiency of China farm crop.
The 8th fertilizer information interchange in the whole nation of holding in Huhehaote in 2007 and product trading can be gone up; The whole nation director Gao Xiang of soil and fertilizer technical office of agricultural technology extension service centre is according to introducing; In 18.51 hundred million mu of arable lands, the whole nation, the area that soil lacks moderate-elements such as calcium, magnesium accounts for about 50%, and the soil lacking boron area accounts for more than 40%; Lack the zinc area and account for more than 20%, the area of manganese deficiency, iron, copper is respectively 10%, 5%, 1%.
In China, micronutrient fertiliser development experienced three main phase, the fs be in, the mineral sulfates of trace element and single agent of oxide compound, like boric acid, ferrous sulfate, manganous sulfate, copper sulfate, zinc sulfate, sal epsom.Owing to have the antagonism crop between the trace element, spray a kind of single agent meeting and hinder absorbing of other little fertilizer; Gradation sprays in batches separately wastes time and energy, fertilizer efficiency is low.Subordinate phase is a compound preparation, like the mixture of several kinds of inorganic minerals and plant-growth regulator.The simple mixing of nutritive element because in, have the antagonism crop between the trace element, hinder absorbing each other of other trace elements, and they exist with the chelating attitude, stable inadequately, improve not obvious to the crop interior quality.Phase III be in, the little fertilizer of trace element chelated attitude, like domestic and international modal Hydrocerol A trace element, amino-acid trace element, humic acid trace element, EDTA, DTPA, EDDHA.These inner complexs stability is high, avoided antagonistic action, be easy to absorbed by crop, and is to plant, people, animal toxicological harmless, safe and reliable.The inner complex dissociation degree is very little, though their metal ion activities in the aqueous solution reduce, these ions combine to make its solubility to increase greatly with sequestrant, is prone to antagonistic action can not taken place by plant absorbing.Because complex compound has been fixed micro-ion, in the aqueous solution of various trace elements, can not interact between the different ions, can in solution, coexist, and solution has stronger stability.
The reason that crop absorbs metallo-chelate especially easily is because the metallo-chelate quite stable.Certain ligating atom is with after central metal atom combines in the polydentate ligand, and the distance of remaining ligating atom and central atom reduces, and they and central atom bonded probability just increase.If wherein there is a co-ordination bond to destroy,, make that ruined co-ordination bond is prone to recover because other ligating atoms still with the central atom bonding in the polydentate ligand.Ligating atom in the polydentate ligand the more, the available ligating atom of part just the more forms the chela ring just the more, with a kind of part and the formed co-ordination bond of central atom just the more, the chance of part off center atom is just little, inner complex is just more stablized.Therefore, crop absorbs metallo-chelate especially easily.
The stable factor of metallo-chelate is to be determined by the size of chelate ring and number.In most inner complexs, the most stable with the inner complex of five-ring and six-ring.The bond angle of these two kinds of rings is 108 ° and 120 °.Like Ca
2+With EDTA homologue (OOCCH
2) 2N (CH
2)
nN (CH
2COO-) stability constant of the inner complex of 2 formation reduces with the increase of n value.This is that tension force is little because pentacyclic bond angle (108 °) more approaches the angle (109 ° 28 ') of the sp3 hybridized orbital of Ca, and ring is stable.The chelate ring number is many more, and its stability is strong more.
Product is a lot of though these several years farm crop are replenished the calcium, and great majority are calcium chloride (CaCl
2), quicklime (CaO
2), superphosphate of lime (CaH
2PO
4) and pin acid calcium (CaNO
3) wait the single agent product of non-chelating attitude, it is slow to use ensuing crop to absorb, weak effect.And in the northern alkaline soil, water quality is alkalescence, promptly contains hydroxide radical, divalent calcium ion (Ca
2+) very easily form calcium hydroxide Ca (OH) with hydroxide radical (OH-)
2, and the latter is slightly soluble in water.Crop can utilize carbonic acid gas (CO under illumination condition
2) carry out photosynthesis, contain a large amount of carbonic acid gas (CO in the air
2), calcium hydroxide (Ca (OH)
2) meeting and carbonic acid gas (CO
2) carry out chemical reaction and produce lime carbonate (CaCO
3), and lime carbonate (CaCO
3) water insoluble, crop can't absorb at all.So, in northern alkaline soil, use non-chelating attitude calcareous fertilisers and very easily produce white dot, i.e. lime carbonate (CaCO at the fruit face
3) crop can not absorb.In addition, northern China apple, pears, grape, Kiwifruit, peach, pomegranate etc. are all promoted the cover bag technique at present, and general fruit bagging calcium deficiency phenomenon is more general.
Summary of the invention
The problem that the present invention solves is to provide a kind of amino acid calcium boron chelating foliage fertilizer and preparation method thereof, and the composite chelate calcareous fertilisers had both solved the calcareous fertilisers difficulty and absorbed, move poor problem, had amino acid and micro-dual fertilizer efficiency again.
The present invention realizes through following technical scheme:
A kind of amino acid calcium boron chelating foliage fertilizer; Be calcium containing compound, boracic calcium cpd, EDTA, tensio-active agent and auxiliary agent exist down with chelating amino acids after liquid fertilizer, amino acid >=100g/L, calcium >=30g/L; Boron >=2.5g/L, the mass ratio of EDTA are 2～4%.
The mass ratio of described calcium and boron is 20～25: 1.2～6.
Described calcium containing compound is a nitrocalcite, and the boracic calcium cpd is the polymerization Sodium Tetraborate, and tensio-active agent is OP-10.
In massfraction, described auxiliary agent comprises 2～3% pH value buffer reagent, 2～3% stablizer, 1～1.5% solubility promoter, 0.8～1% alkali lye neutralizing agent.
Described pH value buffer reagent is a hexamethylenetetramine, and stablizer is yellow first glue, and solubility promoter is a formic acid, and the alkali lye neutralizing agent is a Hydrocerol A.
A kind of preparation method of amino acid calcium boron chelating foliage fertilizer may further comprise the steps:
1) in mass fraction; With 30～40 parts nitrocalcite, 2～6 parts polymerization Sodium Tetraborate, 2～6 parts EDTA, 3～8 parts tensio-active agent, 2～3 parts pH value buffer reagent, 2～3 parts stablizer, 1～2 part of solubility promoter; Add water after the mixing, be placed on reaction kettle internal heating to 40～50 ℃, keep 1～10h; Replenish then and add water to 38～80 parts, obtain fertilizer precursor A;
2) in mass fraction, add water after the alkali lye neutralizing agent of 15～30 parts amino acid and 0.8～1.5 part mixed, be placed on reaction kettle internal heating to 50～60 ℃, keep 1～10h, replenish then and add water to 65～82 parts, obtain fertilizer precursor B;
3) fertilizer precursor A is at the uniform velocity joined among the fertilizer precursor B, be heated to 60～70 ℃ of chelating 1～10h;
4) after chelating is accomplished, leave standstill, filter, collect filtrating and obtain amino acid calcium boron chelating foliage fertilizer.
Described tensio-active agent is OP-10, and pH value buffer reagent is a hexamethylenetetramine, and stablizer is yellow first glue, and solubility promoter is a formic acid, and the alkali lye neutralizing agent is a Hydrocerol A.
Be the speed adding with 1～5L/min described at the uniform velocity the adding.
Compared with prior art, the present invention has following beneficial technical effects:
Amino acid calcium boron chelate fertilizer provided by the invention is a kind of calcium boron compound manure; Utilize sequestrant that calcium ion is protected; Making crop pass through the inner complex form absorbs; Strengthen the movability of calcium, alleviate interior negative charge of xylem and cytoplasmic membrane obstruction, solved the difficult absorption of calcium ion, moved poor problem the calcium transportation; And, also have ligand and both dual fertilizer efficiency of trace element with the part of amino acid as the chelating body; Further, calcium and boron collocation are formed composite fertilizer, boron, amino acid and calcium have collaborative sorption.
Practical effect shows, uses to contain amino acid calcium boron chelate fertilizer fertilizer, can promote that fruit expands; Increase single fruit weight, reduce or treatment causes rotten sick, and the black red spot disease of bitter pit, shepherd's purse because of calcium deficiency and boron, thus the increase fruits output; Improve fruit quality, economic benefit is obviously improved.
Clay fertilizer station, Huozhou City, the Shanxi Province red agronomist's laboratory report of Chen Wen shows: after the apple orchard sprayed amino acid calcium boron chelate fertilizer, blade length is compared in contrast increased 0.3cm, and width of blade increases 0.2cm; Single fruit weight increases 11g; Sugar degree increases by 0.5%, and mu increases 197 kilograms of apples, stimulation ratio 11.1%; 197 yuan of mu raising the output values, mu increases 177 yuan of net return.Fruit does not have bitter pit, black red spot disease.
Yan Chun beautiful senior agronomist's experiment in Weinan City clay fertilizer station, Shaanxi Province shows: can replenish crop calcium and boron element fast after spraying amino acid calcium boron chelate fertilizer; Promote that fruit expands; Increase single fruit weight, the mu raising the output is more than 100 kilograms, and fruit does not have bitter pit, black red spot disease takes place.
Description of drawings
Fig. 1 is the process flow sheet of amino acid calcium boron chelate fertilizer.
Embodiment
The present invention provides a kind of amino acid calcium boron chelating foliage fertilizer and preparation method thereof, sprays the blade face with crop, and through the fertilizer chelating is absorbed promoting, practice is used and shown that effect is obvious.Below in conjunction with concrete embodiment the present invention is done further detailed description, said is to explanation of the present invention rather than qualification.
A kind of foliage fertilizer of amino acid calcium boron chelating; Be calcium containing compound, boracic calcium cpd, EDTA, tensio-active agent and auxiliary agent exist down with chelating amino acids after liquid fertilizer, amino acid >=100g/L, calcium >=30g/L; Boron >=2.5g/L, the mass ratio of EDTA are 2～4%.And to the crop sequences demand, the calcium wherein and the mass ratio of boron be changed to 20～25: 1.2～6.Described auxiliary agent comprises 2～3% pH value buffer reagent, 2～3% stablizer, 1～1.5% solubility promoter, 0.8～1% alkali lye neutralizing agent.
In the middle of the above-mentioned fertilizer, the ratio of calcium and boron can be carried out proportioning according to crop and soil nutrient analysis.And, the calcium and the boron demand proportioning of Different Crop being proposed according to garden crop growth-development law and blade and soil nutrient analytical results, concrete proportioning is specifically as shown in table 1.
Table 1 Different Crop is to calcium and boron demand proportioning table
| The crop title | Calcium and boron demand proportioning |
| Apple (fruit tree kind) | 25∶1.2 |
| Tomato (dish class) | 25∶2 |
| Rape | 25∶6 |
And for the preparation process of fertilizer and the proportioning of each component, specify through embodiment below.
Embodiment 1
Referring to Fig. 1, a kind of preparation method of foliage fertilizer of amino acid calcium boron chelating may further comprise the steps:
1) in mass fraction; With 30 parts nitrocalcite, 2 parts polymerization Sodium Tetraborate, 2 parts EDTA, 3 parts OP-10 (tensio-active agent), 2 parts hexamethylenetetramine (pH value buffer reagent), 2 parts yellow first glue (stablizer), 1 part of formic acid (solubility promoter); Add water after the mixing, be placed on reaction kettle internal heating to 45 ℃, and keep 2.5h; Replenish then and add water to 58 parts, obtain fertilizer precursor A;
2) in mass fraction, add water after the Hydrocerol A (alkali lye neutralizing agent) of 30 parts amino acid and 0.8 part mixed, be placed on reaction kettle internal heating to 56 ℃, keep 3.5h, replenish then and add water to 82 parts, obtain fertilizer precursor B; Described amino acid is the mixing of 20 seed amino acids with any kind of and ratio, also can carry out proportioning according to concrete crop demand;
3) at the uniform velocity (1～5L/min) joins among the precursor B, is heated to 68 ℃ of chelating 2h with precursor A;
4) after chelating is accomplished, leave standstill, filter, collect filtrating and obtain amino acid calcium boron chelating foliage fertilizer, and then packing.
Embodiment 2
A kind of preparation method of foliage fertilizer of amino acid calcium boron chelating may further comprise the steps:
1) in mass fraction; With 30 parts nitrocalcite, 2 parts polymerization Sodium Tetraborate, 3 parts EDTA, 4 parts OP-10,2.5 parts hexamethylenetetramine, yellow first glue of 2.5 parts, 1.5 parts of formic acid; Add water after the mixing, be placed on reaction kettle internal heating to 46 ℃, and keep 2.5h; Replenish then and add water to 38 parts, obtain fertilizer precursor A;
2) in mass fraction, add water after the Hydrocerol A (alkali lye neutralizing agent) of 20 parts amino acid and 1 part mixed, be placed on reaction kettle internal heating to 55 ℃, keep 1h, replenish then and add water to 68 parts, obtain fertilizer precursor B; Described amino acid is the mixing of 20 seed amino acids with any kind of and ratio, also can carry out proportioning according to concrete crop demand;
3) at the uniform velocity (1～5L/min) joins among the precursor B, is heated to 65 ℃ of chelating 2h with precursor A;
4) after chelating is accomplished, leave standstill, filter, collect filtrating and obtain amino acid calcium boron chelating foliage fertilizer, and then packing.
Embodiment 3
A kind of preparation method of foliage fertilizer of amino acid calcium boron chelating may further comprise the steps:
1) in mass fraction; With 35 parts nitrocalcite, 5 parts polymerization Sodium Tetraborate, 5 parts EDTA, 6 parts OP-10,3 parts hexamethylenetetramine, yellow first glue of 3 parts, 2 parts of formic acid; Add water after the mixing, be placed on reaction kettle internal heating to 50 ℃, and keep 5h; Replenish then and add water to 80 parts, obtain fertilizer precursor A;
2) in mass fraction, add water after the Hydrocerol A (alkali lye neutralizing agent) of 20 parts amino acid and 1 part mixed, be placed on reaction kettle internal heating to 55 ℃, keep 6h, replenish then and add water to 68 parts, obtain fertilizer precursor B; Described amino acid is the mixing of 20 seed amino acids with any kind of and ratio, also can carry out proportioning according to concrete crop demand;
3) at the uniform velocity (1～5L/min) joins among the precursor B, is heated to 68 ℃ of chelating 6h with precursor A;
4) after chelating is accomplished, leave standstill, filter, collect filtrating and obtain amino acid calcium boron chelating foliage fertilizer, and then packing.
Embodiment 4
A kind of preparation method of foliage fertilizer of amino acid calcium boron chelating may further comprise the steps:
1) in mass fraction; With 32 parts nitrocalcite, 3 parts polymerization Sodium Tetraborate, 4 parts EDTA, 5 parts OP-10,2.2 parts hexamethylenetetramine, yellow first glue of 2.5 parts, 1.2 parts of formic acid; Add water after the mixing, be placed on reaction kettle internal heating to 48 ℃, and keep 5h; Replenish then and add water to 65 parts, obtain fertilizer precursor A;
2) in mass fraction, add water after the Hydrocerol A of 25 parts amino acid and 1.2 parts mixed, be placed on reaction kettle internal heating to 55 ℃, keep 2h, replenish then and add water to 65 parts, obtain fertilizer precursor B; Described amino acid is the mixing of 20 seed amino acids with any kind of and ratio, also can carry out proportioning according to concrete crop demand;
3) at the uniform velocity (1～5L/min) joins among the precursor B, is heated to 62 ℃ of chelating 10h with precursor A;
4) after chelating is accomplished, leave standstill, filter, collect filtrating and obtain amino acid calcium boron chelating foliage fertilizer, and then packing.
Embodiment 5
A kind of preparation method of foliage fertilizer of amino acid calcium boron chelating may further comprise the steps:
1) in mass fraction; With 30 parts nitrocalcite, 6 parts polymerization Sodium Tetraborate, 6 parts EDTA, 8 parts OP-10,2 parts hexamethylenetetramine, yellow first glue of 2 parts, 1.2 parts of formic acid; Add water after the mixing, be placed on reaction kettle internal heating to 45 ℃, and keep 8h; Replenish then and add water to 60 parts, obtain fertilizer precursor A;
2) in mass fraction, add water after the Hydrocerol A of 15 parts amino acid and 1 part mixed, be placed on reaction kettle internal heating to 55 ℃, keep 5h, replenish then and add water to 70 parts, obtain fertilizer precursor B; Described amino acid is the mixing of 20 seed amino acids with any kind of and ratio, also can carry out proportioning according to concrete crop demand;
3) at the uniform velocity (1～5L/min) joins among the precursor B, is heated to 70 ℃ of chelating 5h with precursor A;
4) after chelating is accomplished, leave standstill, filter, collect filtrating and obtain amino acid calcium boron chelating foliage fertilizer, and then packing.
Claims (8)
1. an amino acid calcium boron chelating foliage fertilizer is characterized in that, be calcium containing compound, boracic calcium cpd, EDTA, tensio-active agent and auxiliary agent exist down with chelating amino acids after liquid fertilizer; Amino acid >=100g/L; Calcium >=30g/L, boron >=2.5g/L, the mass ratio of EDTA are 2～4%.
2. amino acid calcium boron chelating foliage fertilizer as claimed in claim 1 is characterized in that the mass ratio of described calcium and boron is 20～25: 1.2～6.
3. amino acid calcium boron chelating foliage fertilizer as claimed in claim 1 is characterized in that described calcium containing compound is a nitrocalcite, and the boracic calcium cpd is the polymerization Sodium Tetraborate, and tensio-active agent is OP-10.
4. amino acid calcium boron chelating foliage fertilizer as claimed in claim 1 is characterized in that, in massfraction, described auxiliary agent comprises 2～3% pH value buffer reagent, 2～3% stablizer, 1～1.5% solubility promoter, 0.8～1% alkali lye neutralizing agent.
5. amino acid calcium boron chelating foliage fertilizer as claimed in claim 4 is characterized in that described pH value buffer reagent is a hexamethylenetetramine, and stablizer is yellow first glue, and solubility promoter is a formic acid, and the alkali lye neutralizing agent is a Hydrocerol A.
6. the preparation method of an amino acid calcium boron chelating foliage fertilizer is characterized in that, may further comprise the steps:
1) in mass fraction; With 30～40 parts nitrocalcite, 2～6 parts polymerization Sodium Tetraborate, 2～6 parts EDTA, 3～8 parts tensio-active agent, 2～3 parts pH value buffer reagent, 2～3 parts stablizer, 1～2 part of solubility promoter; Add water after the mixing, be placed on reaction kettle internal heating to 40～50 ℃, keep 1～10h; Replenish then and add water to 38～80 parts, obtain fertilizer precursor A;
2) in mass fraction, add water after the alkali lye neutralizing agent of 15～30 parts amino acid and 0.8～1.5 part mixed, be placed on reaction kettle internal heating to 50～60 ℃, keep 1～10h, replenish then and add water to 65～82 parts, obtain fertilizer precursor B;
3) fertilizer precursor A is at the uniform velocity joined among the fertilizer precursor B, be heated to 60～70 ℃ of chelating 1～10h;
4) after chelating is accomplished, leave standstill, filter, collect filtrating and obtain amino acid calcium boron chelating foliage fertilizer.
7. the preparation method of amino acid calcium boron chelating foliage fertilizer as claimed in claim 6 is characterized in that described tensio-active agent is OP-10, and pH value buffer reagent is a hexamethylenetetramine, and stablizer is yellow first glue, and solubility promoter is a formic acid, and the alkali lye neutralizing agent is a Hydrocerol A.
8. the preparation method of amino acid calcium boron chelating foliage fertilizer as claimed in claim 6 is characterized in that, be the speed adding with 1～5L/min described at the uniform velocity the adding.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103172449A (en) * | 2013-04-07 | 2013-06-26 | 中国农业大学 | Special chelated calcium foliage fertilizer for apple, as well as preparation method and fertilization method thereof |
| CN103708958A (en) * | 2013-12-24 | 2014-04-09 | 成都新柯力化工科技有限公司 | Macroelement solid water-soluble fertilizer and preparation method thereof |
| CN104774093A (en) * | 2015-04-01 | 2015-07-15 | 南京博炫生物科技有限公司 | pH-stable water-soluble liquid fertilizer and application thereof |
| CN106242899A (en) * | 2016-08-05 | 2016-12-21 | 新疆润辉生物科技有限公司 | Containing peptide nitrogenous fertilizer and preparation method thereof |
| CN108117443A (en) * | 2017-12-25 | 2018-06-05 | 中国科学院化学研究所 | A kind of functional high calcium plant nutrition liquid and preparation method thereof |
| CN109336703A (en) * | 2018-12-17 | 2019-02-15 | 中国农业科学院果树研究所 | A kind of efficient leaf surface calcareous fertilizer and preparation method thereof for correcting apple bitter pit |
| CN110402779A (en) * | 2019-07-24 | 2019-11-05 | 世多乐(青岛)农业科技有限公司 | A kind of solution of leaves of panax ginseng yellow |
| CN110734335A (en) * | 2019-11-27 | 2020-01-31 | 湖北富邦科技股份有限公司 | high-calcium-content medium-element water-soluble fertilizer and preparation method thereof |
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| CN1068561A (en) * | 1992-06-10 | 1993-02-03 | 路传章 | Production method of high-efficiency photosynthetic organic liquid fertilizer |
| CN101318861A (en) * | 2008-07-01 | 2008-12-10 | 华南农业大学 | Calcium-boron composite type foliage fertilizer and method of preparing the same |
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| CN1068561A (en) * | 1992-06-10 | 1993-02-03 | 路传章 | Production method of high-efficiency photosynthetic organic liquid fertilizer |
| CN101318861A (en) * | 2008-07-01 | 2008-12-10 | 华南农业大学 | Calcium-boron composite type foliage fertilizer and method of preparing the same |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103172449A (en) * | 2013-04-07 | 2013-06-26 | 中国农业大学 | Special chelated calcium foliage fertilizer for apple, as well as preparation method and fertilization method thereof |
| CN103172449B (en) * | 2013-04-07 | 2014-12-24 | 中国农业大学 | Special chelated calcium foliage fertilizer for apple, as well as preparation method and fertilization method thereof |
| CN103708958A (en) * | 2013-12-24 | 2014-04-09 | 成都新柯力化工科技有限公司 | Macroelement solid water-soluble fertilizer and preparation method thereof |
| CN104774093A (en) * | 2015-04-01 | 2015-07-15 | 南京博炫生物科技有限公司 | pH-stable water-soluble liquid fertilizer and application thereof |
| CN106242899A (en) * | 2016-08-05 | 2016-12-21 | 新疆润辉生物科技有限公司 | Containing peptide nitrogenous fertilizer and preparation method thereof |
| CN108117443A (en) * | 2017-12-25 | 2018-06-05 | 中国科学院化学研究所 | A kind of functional high calcium plant nutrition liquid and preparation method thereof |
| CN108117443B (en) * | 2017-12-25 | 2021-10-19 | 中国科学院化学研究所 | Functional high-calcium plant nutrient solution and preparation method thereof |
| CN109336703A (en) * | 2018-12-17 | 2019-02-15 | 中国农业科学院果树研究所 | A kind of efficient leaf surface calcareous fertilizer and preparation method thereof for correcting apple bitter pit |
| CN110402779A (en) * | 2019-07-24 | 2019-11-05 | 世多乐(青岛)农业科技有限公司 | A kind of solution of leaves of panax ginseng yellow |
| CN110402779B (en) * | 2019-07-24 | 2021-07-20 | 世多乐(青岛)农业科技有限公司 | Method for solving yellowing of ginseng leaves |
| CN110734335A (en) * | 2019-11-27 | 2020-01-31 | 湖北富邦科技股份有限公司 | high-calcium-content medium-element water-soluble fertilizer and preparation method thereof |
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Application publication date: 20120620 |