CN107867896A - A kind of special chelated microelements water-soluble fertilizer of oil tea and preparation method thereof - Google Patents
A kind of special chelated microelements water-soluble fertilizer of oil tea and preparation method thereof Download PDFInfo
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- CN107867896A CN107867896A CN201711393580.5A CN201711393580A CN107867896A CN 107867896 A CN107867896 A CN 107867896A CN 201711393580 A CN201711393580 A CN 201711393580A CN 107867896 A CN107867896 A CN 107867896A
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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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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- 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
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- 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
- C05G5/00—Fertilisers characterised by their form
- C05G5/20—Liquid fertilisers
- C05G5/23—Solutions
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Abstract
The invention discloses a kind of special chelated microelements water-soluble fertilizer of oil tea, including：Chelating amino acids manganese, amino acid chelated iron, copper amino acid chelate, zinc-amino acid chelate, additive；The additive includes:The Boratex of four water eight and ammonium molybdate.It is an object of the invention to provide a kind of special chelated microelements water-soluble fertilizer of oil tea, the trace element water-soluble fertilizer contains the iron containing scientific matching, zinc, copper, manganese, boron and molybdenum element simultaneously, and manganese, copper, iron and the Zn-ef ficiency of the trace element water-soluble fertilizer are all from chelating amino acids state, with quick-acting releases, quick the characteristics of absorbing, there is long-acting slow-release again, interaction is not likely to produce the advantages of not easily runing off, and between element and produces antagonism and absorbs or precipitate.
Description
Technical field
The invention belongs to a kind of fertilizer, and in particular to a kind of special chelated microelements water-soluble fertilizer of oil tea and its preparation
Method.
Background technology
In existing fertilizer, the special chelated microelements water-soluble fertilizer of oil tea is directed to currently without a, and
Trace element water-soluble fertilizer is all inorganic states or organic complex state mostly.
Common inorganic states trace element water-soluble fertilizer is mostly with inorganic ion state or slightly solubility slag oxide form
Based on, for example sulfate, slag, waste residue, glassy state silicate etc.；Organic complex state trace element water-soluble fertilizer is more with lemon
The complicated molecule or ion that the parts such as acid, oxalic acid and EDTA are combined into metal ion with coordinate bond.It is miscellaneous micro-
Secondary element chemical property differs widely, the easy generation antagonism between trace element of some ease of solubility trace elements, very
Precipitated to producing, while ease of solubility trace element is easily low by rainwater leaching loss, utilization rate；Some slightly solubilities trace element applies soil
It is extremely hard to tolerate on earth or blade face, do not absorbed；Also some trace elements are suitable to existing different solute environment, simply
Mixing can change the chemical property of itself.Existing conventional inorganic states trace element water-soluble fertilizer contain substantial amounts of sulfate radical from
Son, chlorion and phosphate anion etc., the problems such as long-term a large amount of administrations can cause soil hardening, acidifying.
The content of the invention
It is an object of the invention to provide a kind of special chelated microelements water-soluble fertilizer of oil tea, trace element water-soluble fertilizer
Material contains the iron containing scientific matching, zinc, copper, manganese, boron and molybdenum element simultaneously, and the manganese of the trace element water-soluble fertilizer, copper, iron and
Zn-ef ficiency all from chelating amino acids state, has quick-acting releases, the characteristics of fast absorption, there is long-acting slow-release again, not easily run off
The advantages of, and interaction is not likely to produce between element and produces antagonism and absorbs or precipitate.
The invention also discloses a kind of preparation method of the special chelated microelements water-soluble fertilizer of oil tea.
To realize object above, the technical solution adopted by the present invention is：A kind of special chelated microelements of oil tea are water-soluble
Fertilizer, including：Chelating amino acids manganese, amino acid chelated iron, copper amino acid chelate, zinc-amino acid chelate, additive；The addition
Agent includes:The Boratex of four water eight and ammonium molybdate.
Preferably, the amino acid be alanine, glycine, leucine, methionine, tyrosine, histidine, threonine,
Isoleucine, tryptophan, cystine, lysine, ASP, valine, phenylalanine, proline, serine, glutamic acid and
Arginic one or more.
Preferably, including chelating amino acids manganese, amino acid chelated iron, copper amino acid chelate, zinc-amino acid chelate, four water eight
Boratex and ammonium molybdate；Above each component in terms of number be respectively：6~30 parts of chelating amino acids manganese, amino acid chelated iron 12~
25 parts, 7~20 parts of copper amino acid chelate, 15~40 parts of zinc-amino acid chelate, 8~15 parts of four water, eight Boratex and ammonium tetramolybdate
0.2~1 part.Preferably, in the water-soluble fertilizer, count in mass ratio, manganese：Iron：Copper：Zinc：Boron：Molybdenum=2~4：3~5：3~5：5
~9：2~4：0.02~0.08.
Preferably, in the Water soluble fertilizer, micronutrient levels >=10.0%.
A kind of preparation method of the special chelated microelements water-soluble fertilizer of oil tea, comprises the following steps：
1）, prepare chelated microelements；
2）, raw material crushed respectively, cross 16 mesh, extracting screen underflow is standby；
3）, in proportion raw material is distinguished into accurate weighing, and all disposable input premixing machines are sufficiently stirred, are well mixed；
4）, sampling Detection it is qualified after, packaging and warehousing.
Preferably, the step 1）, prepare chelated microelements and be：By amino acid starting material and inorganic microelement chemical combination
Thing is proportionally added into water, after being 3~10 with hydrochloric acid or sodium hydroxide regulation pH value, is warming up to 30 DEG C~100 DEG C, is fully stirred
Reaction 0.5h~3h is mixed, pressure during reaction be 1~5 atmospheric pressure, is filtered while hot after the completion of reaction, and filtrate is in slow in water-bath
Heating is concentrated into epitaxial appearance, cooling, separates out a large amount of white crystals, filters, and is dried after being washed with ethanol, produces chelating amino acids
Trace element；
Preferably, the inorganic microelement compound and the mol ratio of amino acid are 1: 1~1: 3.
Preferably, described inorganic microelement compound be zinc sulfate, zinc chloride, copper sulphate, copper chloride, manganese sulfate,
One or more in manganese chloride, ferrous sulfate, frerrous chloride.
1st, amino acid is to form biological body protein and the most basic material relevant with vital movement, is to form in vivo
The base unit of protein molecule, there is close relationship with the vital movement of biology.It has special physiology in antibody
Function, it is one of indispensable nutritional ingredient in organism.Amino acid can promote the formation of photosynthesis and chlorophyll, to oxygen
Compound activity, enzymes activity, germination, the physiological and biochemical procedure such as absorption of nutrient ingredients, root growth and development have significantly
Promote and activation, especially its affinity with plant is that other any materials can not be than.Amino acid adds people
Microelement substance required for growth and development of plants (iron, copper, manganese, zinc etc.), the organic and inorganic chelate formed by chelating,
The slow release of a great number of elements can be kept and made full use of, also can guarantee that the steady effect and long-acting of trace element.
2nd, necessary to trace element refers to plant growth, but be comparatively a small amount of element, mainly have iron, copper, zinc,
Manganese, molybdenum, boron etc..Though trace element is few in crop in-vivo content, because they are often the composition of enzyme or coenzyme in plant
Part, there is very strong selectivity, be that crop growth institute is indispensable and not replaceable.
3rd, the trophism of boron：Boron compares in plant to be concentrated in stem apex, the tip of a root, blade and floral organ, dicotyledonous
Content in plant is usually above monocotyledon.Boron can promote the normal development of reproductive organs, an important symptom of boron deficiency
It is that seed is unable to normal development, or even can not be formed, so as to influence the harvest of crop, boron is to synthesis and transport sugared in crop body
There is a facilitation, chloroplaset is degenerated during boron deficiency, influences photosynthesis.Boron can improve the nitrogenase activity of legume rhizobium,
Increase amount of nitrogen fixation, during boron deficiency, root stays undeveloped, influences amount of nitrogen fixation.Boron can also strengthen crop anti-adversity.
4th, the trophism of iron：Iron is that chlorophyll formation is indispensable, is difficult transfer in plant body, so blade
" chlorosis " is the performance of plant iron deficiency, and this chlorosis is shown on young leaflet tablet first.In addition, iron is to the photosynthetic of plant
Effect, respiration all have an impact.
5th, the trophism of copper：The photosynthesis of copper participation plant, respiration, nitrogen metabolism, the resistance for strengthening plant.Lack
During copper, plant strain growth is thin and weak, young leaves jaundice, wilting withered, and blade tip curling is turned white, and has necrotic spot.
6th, the trophism of zinc：Zinc can promote crop to carry out photosynthesis, and it is the constituent of a variety of enzymes, make during zinc-deficiency
Thing, which grows, to be stagnated.
7th, the trophism of manganese：Contain manganese in plant chloroplast, manganese can promote germination and seedling period to grow, manganese deficiency
When influence the photosynthesis of crop, respiration, the accumulation of nitrate nitrogen in vivo.Chlorosis yellow between blade arteries and veins is shown as, is had brown
Color spot point, and gradually increase and intersperse among full leaf, blade is become cervinus, leaf-shrinkage.
8th, the trophism of molybdenum：Molybdenum is nitrogen-fixing microorganism, and particularly the rhizobium with legume symbiosis fix atmospheric nitrogen
It is necessary when plain.And can promotes leaf photosynthesis intensity simultaneously.Plant is short and small when lacking molybdenum, chlorosis between blade arteries and veins, and leaf margin is withered
Jiao, inward curl, into wilting state.
Beneficial effects of the present invention：（1）Present invention research and development are a kind of to be directed to the special trace element water-soluble fertilizer of oil tea；This is micro
Element water-soluble fertilizer contains the iron containing scientific matching, zinc, copper, manganese, boron and molybdenum element simultaneously, and the trace element water-soluble fertilizer
Manganese, copper, iron and Zn-ef ficiency are all from chelating amino acids state.
（2）Trace element in the oil tea special microelement water-soluble fertilizer（Iron, zinc, copper, manganese）Belong to chelating amino acids
State, and finished product chelation percent >=80%；Sulfate ion, chlorion in the chelated microelements oil tea Water-soluble fertilizer special and
Phosphate anion content is ≤5%；The special trace element water-soluble fertilizer of the oil tea meets " NY 1428-2010 trace element water
Molten fertilizer material -- solid product " standard.
（3）The amino acid of the special aminoacid chelating microelement water-soluble fertilizer of the oil tea preferentially selects glycine and the third ammonia
Acid, relative to other amino acid, both amino acid molecular amounts are minimum, preferably both amino acid, are easy to plant and directly absorb.
(4) amino-acid chelate in the special aminoacid chelating microelement water-soluble fertilizer of the oil tea, be by amino acid with
Metal ion exists in the form of coordinate bond combines, and chelates moderate strength, stable system after water dissolving, has quick-acting releases, soon
The characteristics of victory absorbs, there is long-acting slow-release again, and interaction is not likely to produce the advantages of not easily runing off, and between element and is produced short of money
Anti- absorption or precipitation.
（5）Sulfate ion, chlorion and phosphate radical are low in the special aminoacid chelating microelement water-soluble fertilizer of the oil tea,
The problems such as effectively avoiding long-term a large amount of administrations from causing soil hardening, acidifying.
（6）Aminoacid chelating microelement can pass through gel filtration chromatography elution separation, can be first by Atomic absorption
The chelation percent of its fixed amino-acid chelate of pacing, the carboxyl and amino of amino acid participate in complexation reaction, therefore, amino-acid chelate
With distinctive closed loop configuration characteristic.
（7）Trace elements iron, zinc, copper, manganese, boron and molybdenum needed for plant all directly participate in plant metabolism effect, it is impossible to by
Other nutrients replace, and lack any element, plant cannot complete the history of life.These nutritional trace elements are directly
In the presence of mutual synergy, mutual antagonism again be present.Cooperation and resistance can occur in soil, also may be used
To occur in plant, and mainly interacted with the form generation of dissociated ion.Compared to general inorganic trace element
Compound, chelated microelements are not easy to be fixed because it has, soluble in water, are not easy to dissociate, and discharge slow etc. distinctive
Property, so as to which biology utilization rate is high, fertilizer efficiency is good.
Embodiment
In order that those skilled in the art more fully understand technical scheme, the present invention is retouched in detail below
State, the description of this part is only exemplary and explanatory, there should not be any restriction effect to protection scope of the present invention.
It is specific embodiment below
Embodiment 1
A kind of special chelated microelements water-soluble fertilizer of oil tea, including following components in parts by weight：6 parts of glycine chelate manganese,
12 parts of alanine Chelated Manganese, 7 parts of glycin chelated iron, 15 parts of alanine chelated copper, 8 parts of zinc-glycine chelate, alanine chelating
0.2 part of 15 parts of zinc, 8 parts of four water, eight Boratex and ammonium tetramolybdate.
In the water-soluble fertilizer, count in mass ratio, meet ratio manganese：Iron：Copper：Zinc：Boron：Molybdenum=~4：3~5：3~5：5~
9：2~4：0.02~0.08.
A kind of preparation method of the special chelated microelements water-soluble fertilizer of oil tea, comprises the following steps：
1）, prepare chelated microelements：Glycine chelate manganese, alanine Chelated Manganese, glycin chelated iron, alanine chelating
Copper, zinc-glycine chelate, alanine chelated zinc；Specifically preparation process is：By amino acid starting material（Glycine, alanine）With it is inorganic
Trace element compound is proportionally added into water, and the mol ratio of inorganic microelement compound and amino acid is 1: 1~3, is adjusted
Save after pH value is 3, be warming up to 30 DEG C, be sufficiently stirred reaction 0.5h, pressure during reaction is 1 atmospheric pressure, is taken advantage of after the completion of reaction
Heat filtering, filtrate is concentrated into epitaxial in slow heating in water-bath to be occurred, and cooling, is separated out a large amount of white crystals, is filtered, washed with ethanol
Dried after washing, produce aminoacid chelating microelement；It is described；
2）, raw material crushed respectively, cross 16 mesh, extracting screen underflow is standby；
3）, in proportion raw material is distinguished into accurate weighing, and all disposable input premixing machines are sufficiently stirred, are well mixed；
4）, sampling Detection it is qualified after, packaging and warehousing.
Described inorganic microelement compound is zinc sulfate, copper sulphate, copper chloride, manganese sulfate, manganese chloride, sulfuric acid Asia
Iron, frerrous chloride.
Embodiment 2
A kind of special chelated microelements water-soluble fertilizer of oil tea, including glycine chelate manganese, alanine Chelated Manganese, glycine chela
Close iron, alanine chelated copper, zinc-glycine chelate, alanine chelated zinc, the Boratex of four water eight and ammonium molybdate；Above each component with
Number meter is respectively：20 parts of glycine chelate manganese, 10 parts of alanine Chelated Manganese, 25 parts of glycin chelated iron, alanine chelated copper
1 part of 20 parts, 25 parts of zinc-glycine chelate, 15 parts of alanine chelated zinc, 15 parts of four water, eight Boratex and ammonium tetramolybdate.
In the water-soluble fertilizer, count in mass ratio, manganese：Iron：Copper：Zinc：Boron：Molybdenum=（2~4：3~5：3~5：5~9：2~
4：0.02~0.08.
A kind of preparation method of the special chelated microelements water-soluble fertilizer of oil tea, comprises the following steps：
1）, prepare chelated microelements：Glycine chelate manganese, alanine Chelated Manganese, glycin chelated iron, alanine chelating
Copper, zinc-glycine chelate, alanine chelated zinc；Specific preparation process：By amino acid starting material（Glycine, alanine）With it is inorganic micro-
Secondary element compound is proportionally added into water, and the mol ratio of the inorganic microelement compound and amino acid is 1: 1~3,
Adjust after pH value is 10, be warming up to 100 DEG C, be sufficiently stirred reaction 3h, pressure during reaction is 5 atmospheric pressure, after the completion of reaction
Filter while hot, filtrate is concentrated into epitaxial in slow heating in water-bath to be occurred, and cooling, is separated out a large amount of white crystals, is filtered, use ethanol
Dried after washing, produce aminoacid chelating microelement；
2）, raw material crushed respectively, cross 16 mesh, extracting screen underflow is standby；
3）, in proportion raw material is distinguished into accurate weighing, and all disposable input premixing machines are sufficiently stirred, are well mixed；
4）, sampling Detection it is qualified after, packaging and warehousing.
Described inorganic microelement compound be zinc sulfate, zinc chloride, copper sulphate, copper chloride, manganese sulfate, manganese chloride,
Ferrous sulfate.
Embodiment 3
A kind of special chelated microelements water-soluble fertilizer of oil tea, including glutamate chelate manganese, alanine Chelated Manganese, lysine chela
Close iron, alanine chelated copper, zinc-glycine chelate, threonine chelated zinc, the Boratex of four water eight and ammonium molybdate；Above each component with
Number meter is respectively：20 parts of glutamate chelate manganese, 5 parts of alanine Chelated Manganese, 20 parts of Fe Lys, alanine chelated copper 15
0.5 part of part, 25 parts of zinc-glycine chelate, 5 parts of threonine chelated zinc, 10 parts of four water, eight Boratex and ammonium tetramolybdate.
In the water-soluble fertilizer, count in mass ratio, meet ratio manganese：Iron：Copper：Zinc：Boron：Molybdenum=~4：3~5：3~5：5~
9：2~4：0.02~0.08.
A kind of preparation method of the special chelated microelements water-soluble fertilizer of oil tea, comprises the following steps：
1）, prepare chelated microelements：Glutamate chelate manganese, alanine Chelated Manganese, Fe Lys, alanine chelating
Copper, zinc-glycine chelate, threonine chelated zinc；Specifically preparation process is：By amino acid starting material（Glutamic acid, alanine, rely ammonia
Acid, glycine, threonine etc.）With inorganic microelement compound in proportion, the inorganic microelement compound and amino acid
Mol ratio be 1:1~3, it is added to the water, after regulation pH value is 7, is warming up to 50 DEG C, is sufficiently stirred reaction 2h, during reaction
Pressure is 3 atmospheric pressure, is filtered while hot after the completion of reaction, and filtrate is concentrated into epitaxial in slow heating in water-bath to be occurred, and is cooled down, analysis
Go out a large amount of white crystals, filter, dried after being washed with ethanol, produce aminoacid chelating microelement；
2）, raw material crushed respectively, cross 16 mesh, extracting screen underflow is standby；
3）, in proportion raw material is distinguished into accurate weighing, and all disposable input premixing machines are sufficiently stirred, are well mixed；
4）, sampling Detection it is qualified after, packaging and warehousing.
Described inorganic microelement compound is zinc sulfate, zinc chloride, copper sulphate, manganese sulfate, manganese chloride, sulfuric acid Asia
Iron, frerrous chloride.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to nonexcludability
Include so that process, method, article or equipment including a series of elements not only include those key elements, but also
Including the other element being not expressly set out, or also include for this process, method, article or equipment intrinsic want
Element.
Specific case used herein is set forth to the principle and embodiment of the present invention, the explanation of above example
It is only intended to help the method and its core concept for understanding the present invention.Described above is only the preferred embodiment of the present invention, should
When pointing out due to the finiteness of literal expression, and unlimited concrete structure objectively be present, for the common skill of the art
For art personnel, under the premise without departing from the principles of the invention, some improvement, retouching or change can also be made, can also incited somebody to action
Above-mentioned technical characteristic is combined by rights；These improve retouching, change or combination, or the not improved structure by invention
Think and technical scheme directly applies to other occasions, be regarded as protection scope of the present invention.
Claims (9)
- A kind of 1. special chelated microelements water-soluble fertilizer of oil tea, it is characterised in that including：Chelating amino acids manganese, amino acid Chelated iron, copper amino acid chelate, zinc-amino acid chelate, additive；The additive includes:The Boratex of four water eight and ammonium molybdate.
- A kind of 2. special chelated microelements water-soluble fertilizer of oil tea according to claim 1, it is characterised in that the ammonia Base acid is alanine, glycine, leucine, methionine, tyrosine, histidine, threonine, isoleucine, tryptophan, Guang ammonia Acid, lysine, ASP, valine, phenylalanine, proline, serine, glutamic acid and arginic one or more.
- 3. the special chelated microelements water-soluble fertilizer of a kind of oil tea according to claim 1, including following weight parts Component：6~30 parts of chelating amino acids manganese, 12~25 parts of amino acid chelated iron, 7~20 parts of copper amino acid chelate, chelating amino acids 0.2~1 part of 15~40 parts of zinc, 8~15 parts of four water, eight Boratex and ammonium tetramolybdate.
- A kind of 4. special chelated microelements water-soluble fertilizer of oil tea according to claim 1, it is characterised in that the water In molten fertilizer, count in mass ratio, manganese：Iron：Copper：Zinc：Boron：Molybdenum=2~4：3~5：3~5：5~9：2~4：0.02~0.08.
- A kind of 5. special chelated microelements water-soluble fertilizer of oil tea according to claim 1, it is characterised in that the water In molten fertilizer, micronutrient levels >=10.0%.
- 6. the preparation method of the special chelated microelements water-soluble fertilizer of any one oil tea as described in claim 1-5, its It is characterised by, comprises the following steps：1）, prepare chelated microelements；2）, raw material crushed respectively, cross 16 mesh, extracting screen underflow is standby；3）, in proportion raw material is distinguished into accurate weighing, and all disposable input premixing machines are sufficiently stirred, are well mixed；4）, sampling Detection it is qualified after, packaging and warehousing.
- 7. a kind of preparation method of the special chelated microelements water-soluble fertilizer of oil tea according to claim 6, its feature It is, the step 1）, prepare chelated microelements and be：Amino acid starting material and inorganic microelement compound are added in proportion Enter into water, after being 3~10 with hydrochloric acid or sodium hydroxide regulation pH value, be warming up to 30 DEG C~100 DEG C, be sufficiently stirred reaction 0.5h ~3h, pressure during reaction is 1~5 atmospheric pressure, is filtered while hot after the completion of reaction, and filtrate is concentrated into slow heating in water-bath Epitaxial occurs, and cooling, separates out a large amount of white crystals, filters, and is dried after being washed with ethanol, produces aminoacid chelating microelement.
- 8. a kind of preparation method of the special chelated microelements water-soluble fertilizer of oil tea according to claim 6, its feature It is, the mol ratio of the inorganic microelement compound and amino acid is 1: 1~1: 3.
- 9. a kind of preparation method of the special chelated microelements water-soluble fertilizer of oil tea according to claim 6, its feature It is, described inorganic microelement compound is zinc sulfate, zinc chloride, copper sulphate, copper chloride, manganese sulfate, manganese chloride, sulfuric acid One or more in ferrous, frerrous chloride.
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| CN108658644A (en) * | 2018-07-04 | 2018-10-16 | 中国科学院南京土壤研究所 | Metal-organic framework material class fertilizer and preparation method thereof |
| CN112409058A (en) * | 2020-12-31 | 2021-02-26 | 天脊煤化工集团股份有限公司 | Preparation method of amino acid-containing water-soluble fertilizer |
| CN112759424A (en) * | 2021-01-12 | 2021-05-07 | 辽宁顺屹农业科技有限公司 | Amino acid water-soluble fertilizer and preparation method thereof |
| CN115594545A (en) * | 2022-11-15 | 2023-01-13 | 石家庄上争信息科技有限公司（Cn） | Method for producing Gly-containing water-soluble fertilizer |
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| CN108658644A (en) * | 2018-07-04 | 2018-10-16 | 中国科学院南京土壤研究所 | Metal-organic framework material class fertilizer and preparation method thereof |
| CN112409058A (en) * | 2020-12-31 | 2021-02-26 | 天脊煤化工集团股份有限公司 | Preparation method of amino acid-containing water-soluble fertilizer |
| CN112759424A (en) * | 2021-01-12 | 2021-05-07 | 辽宁顺屹农业科技有限公司 | Amino acid water-soluble fertilizer and preparation method thereof |
| RU2800830C1 (en) * | 2022-08-03 | 2023-07-28 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Кубанский государственный аграрный университет имени И.Т. Трубилина" | Soybean yield improvement method |
| CN115594545A (en) * | 2022-11-15 | 2023-01-13 | 石家庄上争信息科技有限公司（Cn） | Method for producing Gly-containing water-soluble fertilizer |
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Application publication date: 20180403 |