CN1472176A - Active nano grade organic fine humic fertilizer and its production - Google Patents
Active nano grade organic fine humic fertilizer and its production Download PDFInfo
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- CN1472176A CN1472176A CNA021393214A CN02139321A CN1472176A CN 1472176 A CN1472176 A CN 1472176A CN A021393214 A CNA021393214 A CN A021393214A CN 02139321 A CN02139321 A CN 02139321A CN 1472176 A CN1472176 A CN 1472176A
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Abstract
A nano-class fermented active organic fertilizer is prepared from ammonium humate organonitrogen, ammonium polyphosphate, ammonium phosphate, calcium potassium pyrophosphate, organopotassium, additive and water through screening raw materials, grinding, biochemical reacting, adding additive, granulating, compounding, drying, cooling and coating. Its advantages are no poison and environmental pollution, and multiple functions including improving soil and crops, regulating growth of plant, increasing yield of crops, resisting diseases and bacteria, etc.
Description
One, technical field:
The present invention relates to a kind of biologic compound fertilizer, especially relate to active organic refined humic fertilizer of a kind of Nano type and making method.
Two, background technology:
Domestic existing similar technology, its technological design complexity, scientific and technological content is low, the product price height.Effective nutritive substance deficiency in the humic acid product, degeneration-resistant function difference causes plant, farm crop hazard residue amount to exceed standard, and is little with existing inorganic chemical fertilizer difference, do not develop humic acid great potential and due effect on agricultural.Existing domestic compound manure, basically all be to adopt ordinary process, nitrogen, phosphorus, the potassium three big element composite fertilizers produced, its effective nutrition content is low, does not contain active substance, can't improve the soil, even also can cause soil compaction, cause soil fertility to descend, crumb structure is destroyed, and makes soil effective constituent more and more lower.After the land use for many years, harmful element is more and more, and people just can't cultivate on the soil, therefore, is badly in need of seeking to develop the active organic refined humic fertilizer of a kind of novel environmental protection.
Three, summary of the invention:
The present invention provides active organic refined humic fertilizer of a kind of Nano type and making method in order to solve the weak point in the above-mentioned background technology, and it adopts modern nano junction configuration biotechnical processes and prescription, the fertilizer product of making is nontoxic, nuisanceless, and have fertile multi-functional characteristics, tangible adjusting plant endogenous hormones balance is arranged, the control plant growth coordinating, improve the soil, alleviate damage caused by a drought, reduce freezing point, disease-resistant sterilization, improve output, improve effects such as crop quality.
For achieving the above object, the technical solution used in the present invention is:
The active organic refined humic fertilizer of a kind of Nano type, its special character is to comprise following component: rotten sour ammonium, additive, process water.
Said components also comprises calcium superphosphate.
The content range of said components can be: rotten sour ammonium 320kg～580kg/T, calcium superphosphate 210kg～400kg/T, additive 5kg～20kg/T, process water 320kg～480kg/T.
Said components also comprises organonitrogen, phosphorus ammonium, organic potassium, ammonium polyphosphate, Calcium Pyrophosphate potassium.
The composition of raw materials of the sour ammonium of above-mentioned corruption comprises peat brown coal, charcoal ammonium or ammonium water, process water.
Above-mentioned additive comprises Fe, Cu, Mn, Zn, B, Mo and Chinese herbal medicine effective ingredients.
The content range of said components can be: rotten sour ammonium 320kg～580kg/T, organonitrogen 120kg～180kg/T, ammonium polyphosphate 220kg～380kg/T, phosphorus ammonium 60kg～130kg/T, Calcium Pyrophosphate potassium 60kg～110kg/T, organic potassium 60kg～90kg/T, additive 8kg～20kg/T, process water 320kg～480kg/T.
Said components also comprises feces of livestock and poultry, plant wood chip, micropopulation bacterial classification, wheat bran, peat brown coal.
The making method of the active organic refined humic fertilizer of a kind of Nano type, its special character is to comprise following operation steps: 1) raw material screening; 2) the preliminary election correct grinding is handled; 3) biological, chemical reaction; 4) add supplementary additive; 5) granulation screening; 6) composite, dry, cooling; 7) coating is handled; 8) Screening Treatment.
The aforesaid operations step comprises:
1) raw material screening:
Is active organic refined humic fertilizer raw material with the peat brown coal through clean;
2) the preliminary election correct grinding is handled:
By the ball milling lappingout, and the washing impurity elimination.
3) biological, chemical reaction:
The rotten sour ammonium raw material made and reactive material ammoniacal liquor or carbon ammonium are added water mix, seal in reaction tank, slaking promptly generates rotten sour ammonium, calcium superphosphate and charcoal ammonium, trace element (Fe, Cu, Mn, Zn, B, Mo) is added process water mix and react;
4) add supplementary additive:
Add organonitrogen, ammonium polyphosphate, potash fertilizer, amino acid, trace element (Fe, Cu, Mn, Zn, B, Mo) and Chinese herbal medicine effective ingredients;
5) granulation screening:
1. granulation, 2. shrink processing, screening, 3. coating typing;
6) composite, dry, cooling:
7) coating is handled:
Adopt the tackiness agent coating to handle moulding, when synthetic the processing, add the effective bacteriocidal substance of plant.
8) Screening Treatment:
With organic refined humic fertilizer finished product packing or organic refined humic fertilizer and bio-fertilizer is hybrid packed.
The present invention against existing technologies, its advantage is:
1, innovation part of the present invention is the screening by raw material, streamline operration successively, the biological biochemistry chelatropic reaction, the principle that counteracts each other with material is eliminated the harmful element in the nutrient, handling mixing with membranous structure component of biology and coating uses, eliminate the tangerine resistance of prevention material, the scientific and reasonable required nutrient of each growth in period of plant that will be of value to is formed reasonable proportioning, make slow/controlled release and put data, coordinate the plant endogenous hormones balance, the control plant growth coordinating, adopt the nanometer material science structure technology, reduce the nutrient precipitation, improve the utilization ratio of nutrient substance effective constituent.
2, the present invention has significantly and improves the soil, alleviates damage caused by a drought, reduces freezing point, anti-rotten sterilization, improves output, improves the function of crop quality, and for the exploitation ecological agriculture, environmental protection agricultural, protection land resources has positive effect.Product of the present invention is used on agricultural, for agricultural provides a safety, green, high efficiency technical approach.
3, report shows according to field experiment in the present invention: food crop can increase production 20%～36%, apple volume increase 28%, and cash crop volume increase 25%～38% improves the plant nutrient utilization ratio.In recent years " cold spell in later spring " that occurs there is special protective effect, the arid drought-resistant agriculture with the semiarid zone of China is had very significant effect.
Four, description of drawings:
Accompanying drawing is a process flow sheet of the present invention.
Five, embodiment:
The invention belongs to and adopting a kind of amino acid and middle trace element of being made by natural humus, feces of livestock and poultry, animal horn protein, hair, marine organisms chitin chelating of nano junction configuration is basic raw material, adopt modern technology and scientific formula, the organic refined humic fertilizer of nontoxic, non-harmful activity and the preparation thereof of making.Prescription of the present invention comprises:
Prescription (1):
Rotten sour ammonium (content HA30%～40%, nitrogen 5%), 320kg/T～580kg/T;
Organonitrogen (urea nitrogenous 46%), 120kg/T～180kg/T;
Ammonium polyphosphate (content P
2O
5, 12%～20%), 220kg/T～580kg/T;
Phosphorus ammonium (content phosphorus 46%), 60kg/T～180kg/T;
Calcium Pyrophosphate potassium (content 30%～50%), 60kg/T～580kg/T;
Organic potassium (content 40%～80%), 60kg/T～90kg/T;
Supplementary additive (amino acid Fe, Cu, Mn, Zn, B, Mo), 8kg/T～20kg/T;
Process water 320kg/T～480kg/T.
Prescription (2):
Rotten sour ammonium (content HA30%～40%, nitrogen 5%), 320kg/T～580kg/T;
Normal superphosphate (content 12%～20%), 210kg/T～400kg/T;
Supplementary additive (xanthohumic acid Fe, Cu, Mn, Zn, B, Mo), 5kg/T～20kg/T;
Process water 320kg/T～480kg/T;
Wherein the composition of raw materials of rotten sour ammonium is:
Peat brown coal (low calcium and magnesium type HA content 40%～60%), 900kg/T～920kg/T;
Charcoal ammonium or ammonium water (concentration 12%～17%), 210kg/T～300kg/T;
Process water 400kg/T～800kg/T.
Referring to accompanying drawing, the technical process of making method of the present invention comprises:
1) raw material screening:
Peat brown coal content is active organic refined humic fertilizer raw material 45%～70% through clean.
2) the preliminary election correct grinding is handled:
By ball milling lappingout 18～20NM, and the washing impurity elimination.
3) biological, chemical reaction:
Corruption sour ammonium preliminary working raw material and reactive material ammoniacal liquor or carbon ammonium (concentration 12%～17%) are added water mix reaction, ratio is 1: (0.25～0.6), in reaction tank, sealing, temperature remains on 75 ℃, and the time needs 45h～75h, and slaking promptly generates rotten sour ammonia.Normal superphosphate adds process water and mixes with charcoal ammonium supplementary additive, trace element (Fe, Cu, Mn, Zn, B, Mo), and temperature is 65 ℃ in the sealing pond, time 8.5h～9.5h, and ratio is 1: 0.16: 0.1: 0.18 reacts.
4) add supplementary additive:
Replenish available nutrient on request, auxiliary material is organonitrogen, ammonium polyphosphate, potash fertilizer, amino acid, trace element (Fe, Cu, Mn, Zn, B, Mo) and sterilization active substances such as Chinese herbal medicine effective ingredients such as bitter lotus element.
5) granulation screening:
Comprise granulation, shrink processing, screening, coating typing, use equipment is circle carousel-type tablets press.
6) composite, dry, cooling:
Adopt rotating cylinder type scraper-type hot air dryer, the drying machine temperature is controlled at 380 ℃～520 ℃ of temperature ins, 73 ℃～82 ℃ of outlet material temperature.
7) coating is handled:
On the outward appearance shape and structure, adopt the tackiness agent coating to handle moulding, when synthetic the processing, add the effective bacteriocidal substance of plant.
8) Screening Treatment:
Finished product A: organic refined humic fertilizer finished product packing; Finished product B: organic refined humic fertilizer and bio-fertilizer are hybrid packed.
Wherein the prescription of bio-fertilizer is:
1500 kilograms of feces of livestock and poultry (water content 65%～70%);
Effective 200 kilograms of plant wood chips (water content 10%～15%);
1 kilogram of micropopulation bacterial classification (based on anerobe, the several 200,000,000/grams of concentration bacterium);
10 kilograms in wheat bran (water content 12%～16%);
20 kilograms in peat brown coal (water content 20%～25%).
Its manufacture craft is: feces of livestock and poultry and plant wood chip (sawdust) are mixed evenly as masterbatch, wheat bran and peat brown coal are mixed even adding micropopulation bacterial classification as a kind of carrier, then masterbatch and carrier are fully stirred, by with the anerobe be main body at low temperatures to the organism 60h～80h that ferments, be powder shape bio-fertilizer finished product.
Embodiment one:
The present invention includes following component:
Rotten sour ammonium (content HA30%～40%, nitrogen 5%), 580kg/T;
Organonitrogen (urea nitrogenous 46%), 120kg/T;
Normal superphosphate (content 12%～20%), 200kg/T;
Phosphorus ammonium (content phosphorus 46%), 130kg/T;
Organic potassium (content 40%～80%), 90kg/T;
Supplementary additive (amino acid Fe, Cu, Mn, Zn, B, Mo) and Chinese herbal medicine effective ingredients, 20kg/T;
Process water 480kg/T.
Its manufacture craft is:
1) raw material screening:
Peat brown coal content is active organic refined humic fertilizer raw material 45%～70% through clean.
2) the preliminary election correct grinding is handled:
By ball milling lappingout 18～20NM, and the washing impurity elimination.
3) biological, chemical reaction:
Corruption sour ammonium preliminary working raw material and reactive material ammoniacal liquor or carbon ammonium (concentration 12%～17%) are added water mix reaction, ratio is 1: (0.25～0.6), in reaction tank, sealing, temperature keeps 75 ℃, and the time needs 45h～75h, and slaking promptly generates rotten sour ammonia.Normal superphosphate adds process water and mixes with charcoal ammonium supplementary additive, trace element (Fe, Cu, Mn, Zn, B, Mo), and temperature is 65 ℃ in the sealing pond, time 8.5h～9.5h, and ratio is 1: 0.16: 0.1: 0.18 reacts.4) add supplementary additive:
Replenish available nutrient on request, auxiliary material is organonitrogen, ammonium polyphosphate, potash fertilizer, amino acid, trace element (Fe, Cu, Mn, Zn, B, Mo) and sterilization active substances such as Chinese herbal medicine effective ingredients such as bitter lotus element.
5) granulation screening:
Comprise granulation, shrink processing, screening, coating typing, use equipment is circle carousel-type tablets press.
6) composite, dry, cooling:
Adopt rotating cylinder type scraper-type hot air dryer, the drying machine temperature is controlled at 380 ℃～520 ℃ of temperature ins, 73 ℃～82 ℃ of outlet material temperature.
7) coating is handled:
On the outward appearance shape and structure, adopt the tackiness agent coating to handle moulding, when synthetic the processing, add the effective bacteriocidal substance of plant.
8) Screening Treatment:
Finished product A: organic refined humic fertilizer finished product packing; Finished product B: organic refined humic fertilizer and bio-fertilizer are hybrid packed.
Example 1: floral special-purpose fertilizer, organic refined humic fertilizer 35% adds bio-fertilizer 65%;
Example 2; Fruit-specific fertilizer, organic refined humic fertilizer 75 adds bio-fertilizer 25%;
Example 3: medicinal material is special-purpose fertile, and organic refined humic fertilizer 55% adds bio-fertilizer 45%.
Example example two:
The present invention includes following component:
Rotten sour ammonium (content HA30%～40%, nitrogen 5%), 500kg/T;
Organonitrogen (urea nitrogenous 46%), 120kg/T;
Normal superphosphate (content 18%), 200kg/T;
Phosphorus ammonium (content phosphorus 46%, nitrogen 17%), 60kg/T;
Organic potassium (content 40%～80%), 120kg/T;
Supplementary additive (Fe, Cu, Mn, Zn, B, Mo), 20kg/T:
Process water 480kg/T.
Its making method is with example example one.
Example example three:
The present invention includes following component:
Rotten sour ammonium (content HA30%～40%, nitrogen 5%), 450kg/T;
Organonitrogen (urea nitrogenous 46%), 160kg/T;
Ammonium polyphosphate (content P
2O
5, 12%～20%), 200kg/T;
Phosphorus ammonium (content phosphorus 46%, nitrogen 17%), 100kg/T;
Calcium Pyrophosphate potassium (content 30%～50%), 100kg/T;
Supplementary additive (xanthohumic acid Fe, Cu, Mn, Zn, B, Mo), 50kg/T;
Process water 320kg/T.
Its making method is with example example one.
Example example four:
The present invention includes following component:
Rotten sour ammonium (content HA30%～40%, nitrogen 5%), 500kg/T;
Normal superphosphate (content 20%), 350kg/T;
Organonitrogen (urea nitrogenous 46%), 60kg/T;
Organic potassium (content 80%), 50kg/T;
Supplementary additive (Fe, Cu, Mn, Zn, B, Mo), 8kg/T;
Process water 320kg/T.
Prescription among the above embodiment can carry out suitable component adjustment according to edatope, the plant variety of location, can be 480kg/T, 520kg/T, 530kg/T or 560k/T or 620kg/T as the sour ammonium of corruption (content HA30%～40%, nitrogen 5%).Normal superphosphate (content 20%) can be 350kg/T, 320kg/T, 410kg/T, 430kg/T, 480kg/T.Supplementary additive (Fe, Cu, Mn, Zn, B, Mo) can be 6kg/T, 10kg/T, 15kg/T, 20kg/T.And process water is controlled between 350kg/T～520kg/T reaction successively, by actual required optimum combination.
Principle of the present invention and principal feature may be summarized to be:
1, strengthen exploitation biomass cells natural nano technology and principle:
The plant cell membrane system is the basis of plant vital activity; through plant physiology is discovered; suitably regulate the cytolemma of plant; can keep the stability and the integrity of plant cell membrane system; the intravital enzymatic reaction normalizing of protective plant is given full play to the various biochemical functions of vegetable cell.Add the material that constitutes the cytolemma composition and can control membrane structure by testing research, promote lipid material synthetic, the quality of life of fortification of plants.Studies show that according to the mineral nutrition of plant vegetable cell also is to belong to a kind of natural nanometer structure, plant absorbs (OH by the root leaf
4) by the synthetic template system of biomineralization precipitation, the synthetic assemble nanometer particle of precipitation.Find to utilize the biological nano technology after deliberation,,, can develop a kind of have nanostructure, slow/controlled release plant organic nutrient by solution part nutrient precipitation technology with combining of biological natural nano technology and artificial nano technological sciences.
2, improve plant stress-resistance performance philosophy and technique:
In selected nanostructure slow/controlled release plant organic nutrient composition, find by research, exploitation, fortification of plants immunizing power, plant self has stronger resistance, plant need be replenished the material that contains plant protecting chemical and suppress causal organism, the active substance that includes with marine organisms becomes a kind of reinforcement control germ product through extraction, separation, chelating, the invasion and attack of various viruses and drought and waterlogging, the adverse circumstance factor such as cold and hot of resisting are regulated and are improved the plant stress-resistance function.
3, control, the omnidistance growing principle of coordination plant and technology:
Plant variety, life condition, etap, cytolemma system exist various different factors, need the controlling plant harmonic growth of comprehensive system under study for action, regulate the plant endogenous hormones balance: 1. regulate the seed germination full stand, cultivate flourishing healthy and strong root system; 2. excite healthy strong sprout, promote the cauline leaf growth; 3. in time replenish and breed the nutrition of fruit phase, coordinate to nourish and grow, improve the active substance accumulation to the reproductive growth transition.Produce targetedly, in good time, the organic refined humic fertilizer of slow/controlled release on an amount of, suitable ground, with the principle of plant body-building cultivation, tighten management, guarantee the plant health growth.
Claims (10)
1, the active organic refined humic fertilizer of a kind of Nano type is characterized in that comprising following component: rotten sour ammonium, additive, process water.
2, the active organic refined humic fertilizer of a kind of Nano type according to claim 1, it is characterized in that: described component also comprises calcium superphosphate.
3, the active organic refined humic fertilizer of a kind of Nano type according to claim 2, it is characterized in that: described components contents scope is: rotten sour ammonium 320kg～580kg/T, calcium superphosphate 210kg～400kg/T, additive 5kg～20kg/T, process water 320kg～480kg/T.
4, the active organic refined humic fertilizer of a kind of Nano type according to claim 1 and 2, it is characterized in that: described component also comprises organonitrogen, phosphorus ammonium, organic potassium, ammonium polyphosphate, Calcium Pyrophosphate potassium.
5, the active organic refined humic fertilizer of a kind of Nano type according to claim 4, it is characterized in that: the composition of raw materials of the sour ammonium of described corruption comprises peat brown coal, charcoal ammonium or ammonium water, process water.
6, the active organic refined humic fertilizer of a kind of Nano type according to claim 5, it is characterized in that: described additive comprises Fe, Cu, Mn, Zn, B, Mo and Chinese herbal medicine effective ingredients.
7, the active organic refined humic fertilizer of a kind of Nano type according to claim 6, it is characterized in that: described components contents scope is: rotten sour ammonium 320kg～580kg/T, organonitrogen 120kg～180kg/T, ammonium polyphosphate 220kg～380kg/T, phosphorus ammonium 60kg～130kg/T, Calcium Pyrophosphate potassium 60kg～110kg/T, organic potassium 60kg～90kg/T, additive 8kg～20kg/T, process water 320kg～480kg/T.
8, the active organic refined humic fertilizer of a kind of Nano type according to claim 7, it is characterized in that: described component also comprises feces of livestock and poultry, plant wood chip, micropopulation bacterial classification, wheat bran, peat brown coal.
9, the making method of the active organic refined humic fertilizer of a kind of Nano type is characterized in that comprising following operation steps: 1) raw material screening; 2) the preliminary election correct grinding is handled; 3) biological, chemical reaction; 4) add supplementary additive; 5) granulation screening; 6) composite, dry, cooling; 7) coating is handled; 8) Screening Treatment.
10, the making method of the active organic refined humic fertilizer of a kind of Nano type according to claim 9 is characterized in that comprising following operation steps:
1) raw material screening:
Is active organic refined humic fertilizer raw material with the peat brown coal through clean;
2) the preliminary election correct grinding is handled:
By the ball milling lappingout, and the washing impurity elimination.
3) biological, chemical reaction:
The rotten sour ammonium raw material made and reactive material ammoniacal liquor or carbon ammonium are added water mix, seal in reaction tank, slaking promptly generates rotten sour ammonium, calcium superphosphate and charcoal ammonium, trace element (Fe, Cu, Mn, Zn, B, Mo) is added process water mix and react;
4) add supplementary additive:
Add organonitrogen, ammonium polyphosphate, potash fertilizer, amino acid, trace element (Fe, Cu, Mn, Zn, B, Mo) and Chinese herbal medicine effective ingredients.
5) granulation screening:
1. granulation, 2. shrink processing, screening, 3. coating typing;
6) composite, dry, cooling:
7) coating is handled:
Adopt the tackiness agent coating to handle moulding, when synthetic the processing, add the effective bacteriocidal substance of plant.
8) Screening Treatment:
With organic refined humic fertilizer finished product packing or organic refined humic fertilizer and bio-fertilizer is hybrid packed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021393214A CN1472176A (en) | 2002-07-30 | 2002-07-30 | Active nano grade organic fine humic fertilizer and its production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021393214A CN1472176A (en) | 2002-07-30 | 2002-07-30 | Active nano grade organic fine humic fertilizer and its production |
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| CN1472176A true CN1472176A (en) | 2004-02-04 |
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ID=34147395
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| CNA021393214A Pending CN1472176A (en) | 2002-07-30 | 2002-07-30 | Active nano grade organic fine humic fertilizer and its production |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307127C (en) * | 2004-09-15 | 2007-03-28 | 于战虎 | Multifunctional fertilizer capable of regulating soil property |
| CN103755451A (en) * | 2013-12-20 | 2014-04-30 | 当涂县科辉商贸有限公司 | Microbial organic compound fertilizer and preparation method thereof |
| WO2017059492A3 (en) * | 2015-10-08 | 2017-05-18 | Liquid Fertiliser Pty Ltd | Aqueous dispersions of potassium calcium polyphosphate |
| CN111279863A (en) * | 2020-02-17 | 2020-06-16 | 浙江耕耘电子商务有限公司 | Method for regulating endogenous growth regulating substance balance in crop body |
| CN111296024A (en) * | 2020-02-17 | 2020-06-19 | 浙江耕耘电子商务有限公司 | Method for precisely fertilizing at key stage according to growth state of crops |
| US11981610B2 (en) | 2020-12-30 | 2024-05-14 | Liquid Fertiliser Pty Ltd | Aqueous dispersions of potassium calcium polyphosphate |
-
2002
- 2002-07-30 CN CNA021393214A patent/CN1472176A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307127C (en) * | 2004-09-15 | 2007-03-28 | 于战虎 | Multifunctional fertilizer capable of regulating soil property |
| CN103755451A (en) * | 2013-12-20 | 2014-04-30 | 当涂县科辉商贸有限公司 | Microbial organic compound fertilizer and preparation method thereof |
| WO2017059492A3 (en) * | 2015-10-08 | 2017-05-18 | Liquid Fertiliser Pty Ltd | Aqueous dispersions of potassium calcium polyphosphate |
| CN108137430A (en) * | 2015-10-08 | 2018-06-08 | 液态化肥私人有限公司 | The water-borne dispersions of potassium polyphposphate calcium |
| US10889527B2 (en) | 2015-10-08 | 2021-01-12 | Liquid Fertiliser Pty Ltd | Aqueous dispersions of potassium calcium polyphosphate |
| CN111279863A (en) * | 2020-02-17 | 2020-06-16 | 浙江耕耘电子商务有限公司 | Method for regulating endogenous growth regulating substance balance in crop body |
| CN111296024A (en) * | 2020-02-17 | 2020-06-19 | 浙江耕耘电子商务有限公司 | Method for precisely fertilizing at key stage according to growth state of crops |
| US11981610B2 (en) | 2020-12-30 | 2024-05-14 | Liquid Fertiliser Pty Ltd | Aqueous dispersions of potassium calcium polyphosphate |
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Open date: 20040204 |