CN106866298A - A kind of complete water-soluble humic acid multifunctional compound fertilizer - Google Patents
A kind of complete water-soluble humic acid multifunctional compound fertilizer Download PDFInfo
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- CN106866298A CN106866298A CN201710015014.4A CN201710015014A CN106866298A CN 106866298 A CN106866298 A CN 106866298A CN 201710015014 A CN201710015014 A CN 201710015014A CN 106866298 A CN106866298 A CN 106866298A
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- humic acid
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- multifunctional compound
- soluble
- base
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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
- C05G3/80—Soil conditioners
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fertilizers (AREA)
Abstract
The invention provides a kind of complete water-soluble humic acid multifunctional compound fertilizer, including following percentage by weight raw material：Base fertilizer 70% 90%；Humic acid binder 10% 30%；Base fertilizer and humic acid binder crush after uniform blending in proportion, granulated on granulating disc, dried, being cooled down, screen after it is automatic into bag packaging, that is, be made water-soluble humic acid multifunctional compound fertilizer entirely；Base fertilizer includes azophoska, and humic acid binder is got the raw materials ready, be put into reactor after crushing, purified after pyroreaction and be prepared from proportion by bentonite, humic acid weathered coal, lignin and inorganic base；The percentage by weight of each raw material is as follows in humic acid binder：Bentonite：10 20%；Humic acid weathered coal：50 60%；Lignin：10 20%；Inorganic base：10 20%.Humic acid binder and inorganic composite mixed fertilizer mixing granulation are formed complete water-soluble humic acid Chemical Mixed Fertilizer by the present invention, can be spreaded manuer in holes again while improved soil, be poured and apply, drip to apply, spray and broadcast and apply, and are a kind of multiplex multifunctional compound fertilizers of fertilizer.
Description
Technical field
The invention belongs to technical field of fertilizers, and in particular to a kind of complete water-soluble humic acid multifunctional compound fertilizer.
Background technology
With continuing to develop for our agricultural modernization construction, to it is high-quality and efficient, be capable of achieving increasing both production and income, ring can be realized
The fertilizer demand of border protection is increasing.But the inorganic fertilizers such as domestic at present main or supply nitrogen, phosphorus, potassium, inorganic fertilizer makes for a long time
With that can be destroyed soil granular structure, easily cause soil hardening, soil property and be hardened, more, yield is more used so as to chemical fertilizer occur
But increasingly lower monster as.Therefore organic-inorganic compound mixed fertilizer is increasingly taken seriously now, and the fertilizer for adding organic matter can change
Kind soil texture, keeps soil from packing together, and increases yield.
Humic acid is a major class polycyclic fused ring organic compound, is widely present in peat, lignite and weathered coal, by humic
Acid mix with inorganic composite mixed fertilizer and is made into organic-inorganic compound mixed fertilizer, not only has well to enhancing soil fertility and improvement soil texture
Effect, can also improve fertilizer efficiency, reduce chemical fertilizer and fixed and be lost in.But the content of humic acid in peat, lignite or weathered coal compared with
Low, in order to the content for ensureing the main nutrient in inorganic composite mixed fertilizer is constant, the content of humic acid needs control, therefore inorganic composite mixed fertilizer
In content of humic acid, i.e. the content of organic matter is high, does not have the obvious effect for improving soil, improving fertilizer efficiency；And it is rotten
Sour poorly water-soluble is grown, after being simply mixed with inorganic composite mixed fertilizer, base manure can only be made and used the method applied or spread manuer in holes with machine sowing to apply soil
Earth, it is impossible to make Water soluble fertilizer such that it is able to be applied using drop, spray or pour the fertilizing method applied.
The content of the invention
It is an object of the invention to provide a kind of content of humic acid is high, good water solubility multifunctional compound fertilizer, can not only change
Kind soil texture, enhancing soil fertility, again can at any time, with water pouring, drip irrigation, spray, broadcast and apply, spread manuer in holes, allow peasant in crops
Growth period can conveniently apply fertilizer at any time, and both saving of labor, time saving, reached the purpose of increasing both production and income again.
The technical scheme that the present invention takes is as follows：
One aspect of the present invention provides a kind of complete water-soluble humic acid multifunctional compound fertilizer, including following raw material：Base fertilizer
With humic acid binder；By weight percentage, base fertilizer is as follows with the proportioning of humic acid binder：
Base fertilizer：70%-90%
Humic acid binder：10%-30%
Wherein, the base fertilizer includes nitrogenous fertilizer, phosphate fertilizer and potash fertilizer, the percentage by weight of nitrogenous fertilizer in the base fertilizer
For：32-60%；The percentage by weight of phosphate fertilizer is：17-36%；The percentage by weight of potash fertilizer is：21-45%；
The humic acid binder is got the raw materials ready in proportion by bentonite, humic acid weathered coal, lignin and inorganic base, is put after crushing
Enter in reactor, purified after pyroreaction and be prepared from, the percentage by weight of each raw material is as follows in the humic acid binder：
Bentonite：10-20%；
Humic acid weathered coal：50-60%；
Lignin：10-20%；
Inorganic base：10-20%.
The beneficial effects of the invention are as follows：
1st, humic acid binder provided by the present invention, the humic acid of application comes from weathered coal, humic acid in weathered coal
Content mixes with inorganic binder and is made into after compound binding agent between 40-60%, and content of humic acid is lower, therefore addition
Content of humic acid in inorganic fertilizer is difficult to improve；The present invention using high temperature endure and, sedimentation basin sedimentation method, by humic acid
Extracted from weathered coal, the humic acid purity of extraction increases, and lignin is added in reaction, lignin reacts with inorganic base
New humic acid is generated again, therefore content of humic acid is higher in binding agent, the content of humic acid is 20-36% (wind in raw material
Content of humic acid is 40-60% in changing coal, and weathered coal content is 50-60%, therefore humic acid content in the feed in raw material
It is 20-36%), the content up to 70-90% of humic acid in the binding agent obtained after reaction purification, content of humic acid increases
Plus, the humic acid of high-purity had not both interfered with main nutrient content in being added to fertilizer, and can keep content of humic acid high；
2nd, humic acid binder provided by the present invention is a kind of inorganic-organic hybrid binding agent, by experiment test, its
The content of middle water-insoluble is less than 1%, is one well below the ratio of conventional humic acid binder reclaimed water insolubles content 5%
Kind of water-soluble humic acid binder very high, overcomes during humic acid material for a long time can not add water-soluble inorganic fertilizer
Shortcoming；
3rd, humic acid binder and inorganic composite mixed fertilizer mixing granulation are formed into complete water-soluble humic acid Chemical Mixed Fertilizer, can not only does base
Fertilizer is applied fertilizer using the method applied or spread manuer in holes with machine sowing, can also be made Water soluble fertilizer and be applied, sprays or poured the method fertilising applied using drop, is
A kind of multiplex multifunctional compound fertilizer of fertilizer.
Further, the preparation method of the humic acid binder is as follows：
S1：Raw material bentonite, humic acid weathered coal, lignin and organic base are crushed；
S2：Bentonite, humic acid weathered coal, lignin and inorganic base are put into reactor by weight percentage, add 2-3
Reactor is closed after the water of times raw material weight, is warming up to 80-100 DEG C, material is stirred in intensification, temperature keeps stirring after reaching
1-2h is mixed, then stops stirring, constant temperature stands at least 7h to material at this temperature；
S3：Reactor is opened, step S2 products therefroms is put into after precipitating 5-10h in sedimentation basin, take supernatant liquor, it is dense
Contract, dry, obtain final product humic acid binder.
Further, in step s3, the supernatant liquor is done using spray drying, natural evaporation, rotary evaporation, vacuum
One or more method in dry is concentrated, dried.
Beneficial effect using above-mentioned further scheme is：The present invention using high temperature endure and, sedimentation basin sedimentation method, will
Humic acid is purified from weathered coal, has obtained purity humic acid higher, and lignin and the new humic of inorganic base reaction generation
Acid, makes the content of humic acid in binding agent higher；After raw material reacts in a kettle., product is settled in sedimentation basin, will
Lower sediment is removed, and taking supernatant liquor carries out concentrate drying, and this process is the purification process of humic acid, is contained in supernatant liquor
There is a water-soluble humate generated after humic acid and inorganic base reaction, therefore humic acid in bonding is water-soluble very high；
Highly-water-soluble humic acid binder preparation method provided by the present invention, can the weathered coal of low content of humic acid and
Lignin purifies the granulation of fertilizer binding agent for obtaining high content of humic acid, high viscosity and highly-water-soluble after chemical reaction；This hair
Bright preparation method uses humic acid raw material, humic acid clinker is become after being chemically reacted with inorganic base, by clinker
Humic acid binder is added in fertilizer, can reduce insect pest.
Further, the nitrogenous fertilizer, phosphate fertilizer and potash fertilizer are water soluble fertilizer.The nitrogenous fertilizer be selected from urea, ammonium sulfate or
One or more in ammonium hydrogen carbonate, preferably urea；The phosphate fertilizer is selected from MAP and/or Diammonium phosphate (DAP), preferably phosphorus
A sour ammonium；The potash fertilizer is selected from one or more in potassium sulfate, potassium chloride or potassium nitrate, preferably sulphation potassium.
Further, the content of montmorillonite and colloid is all higher than 60wt% in the bentonite so that micro- in binding agent
Secondary element and colloid Jie's content are higher, increased the bond properties of product.
Further, the content of humic acid is 40-60wt% in the humic acid weathered coal.It is understood that weathering
Content of humic acid is relatively low in coal.
Further, the lignin is lignin matter and/or stalk lignin.The stalk lignin comes from stalk, leaf, rotten
Dish, shell etc., after addition lignin, lignin and inorganic base react, and generate new humic acid, make content of humic acid in binding agent more
It is high.
Further, the inorganic base is potassium hydroxide or NaOH.By adding inorganic base, sent out with humic acid raw material
Raw reaction, generates clinker humate, reduces insect pest of the plant；And can generate new humic after inorganic base and lignin reaction
Acid, increases the content of humic acid in binding agent.
Another aspect of the present invention provides a kind of preparation method of complete water-soluble humic acid multifunctional compound fertilizer, including：It is described
Base fertilizer and humic acid binder are uniform in proportion after crushing to be blended, granulated on granulating disc, dried, cooled down,
It is automatic into bag packaging after screening, that is, it is made complete water-soluble humic acid multifunctional compound fertilizer.
Another aspect of the present invention provides a kind of fertilizing method of complete water-soluble humic acid multifunctional compound fertilizer, using above-mentioned
Complete water-soluble humic acid multifunctional compound fertilizer, it is characterised in that including：After plot digs using spreading fertilizer over the fields, row replacement or perforated method are applied
Plus base manure, every mu of dose is 15-50kg, and/or applies, drips the method applying, spray or broadcast and apply using pouring in the crop growth phase
Fertilising, every mu of dose is 3-15kg.
Specific embodiment
Principle of the invention and feature are described below, example is served only for explaining the present invention, is not intended to limit
Determine the scope of the present invention.
Embodiment one
The preparation of humic acid binder
The granularity of humic acid weathered coal (content of humic acid is 40%), bentonite, stalk lignin and potassium hydroxide is distinguished
80 mesh, 150 mesh, 80 mesh and 60 mesh are crushed to, according to humic acid weathered coal 50%, bentonite 10%, stalk lignin 20% and hydrogen
The weight ratio of potassium oxide 20% is mixed in reactor, the gross weight of humic acid weathered coal, bentonite, stalk lignin and potassium hydroxide
It is 100kg to measure, and 250kg water is then added in a kettle., closes reactor, and the pressure in reactor is maintained at 0.15kp, will
Reactor is warming up to 80 DEG C, and material is stirred with rotating speed 100rmp in temperature-rise period, and temperature is kept stirring for 1h after reaching 80 DEG C, then
Stop stirring, material stands 10h in 80 DEG C of constant temperature, opens reactor, material is put into sedimentation basin and precipitates 8h, takes upper strata clear
Liquid, spray drying, product obtains highly-water-soluble humic acid binder by being crushed to 100 mesh.
The present embodiment gained humic acid binder water solubility insolubles content is about 0.5%, and content of humic acid is about 70%,
The content of organic matter is about 75%.
Embodiment two
The preparation of complete water-soluble humic acid multifunctional compound fertilizer
It is 100 targeted fine powders that humic acid binder prepared by embodiment one is crushed, and base fertilizer is ground into 80 purposes
Fine powder, stirrer for mixing is put into uniformly according to the consumption of 534kg base fertilizers and 466kg humic acid binders, is made in disk
Granulated on grain machine, dry, cool down, screen after it is automatic into bag packaging, that is, be made water-soluble humic acid multifunctional compound fertilizer entirely.Its
Contain urea 173kg, MAP 164kg, potassium chloride 197kg in middle base fertilizer.
The percentage by weight of N, P, K nutrient is respectively in the complete water-soluble humic acid multifunctional compound fertilizer of the present embodiment gained
10%th, 10% and 10%, total nutrient content is about 30%, and content of humic acid is about 32%, and the content of organic matter is about 35%.
Embodiment three
The preparation of complete water-soluble humic acid multifunctional compound fertilizer
It is 100 targeted fine powders that humic acid binder prepared by embodiment one is crushed, and base fertilizer is ground into 80 purposes
Fine powder, is put into stirrer for mixing uniformly, in circle according to the consumption of 641.5kg base fertilizers and 358.5kg humic acid binders
Granulated on disk comminutor, dried, being cooled down, screen after it is automatic into bag packaging, that is, be made the complete water-soluble multi-functional compound of humic acid
Fertilizer.Contain urea 208.5kg, MAP 197kg, sulphation potassium 236kg wherein in base fertilizer.
The percentage by weight of N, P, K nutrient is respectively in the complete water-soluble humic acid multifunctional compound fertilizer of the present embodiment gained
12%th, 12% and 12%, total nutrient content is about 36%, and content of humic acid is about 25.1%, and the content of organic matter is about 26.9%.
Example IV
The preparation of complete water-soluble humic acid multifunctional compound fertilizer
It is 100 targeted fine powders that humic acid binder prepared by embodiment one is crushed, and base fertilizer is ground into 80 purposes
Fine powder, stirrer for mixing is put into uniformly according to the consumption of 705kg base fertilizers and 295kg humic acid binders, is made in disk
Granulated on grain machine, dry, cool down, screen after it is automatic into bag packaging, that is, be made water-soluble humic acid multifunctional compound fertilizer entirely.Its
Contain urea 261kg, MAP 247kg, sulphation potassium 197kg in middle base fertilizer.
The percentage by weight of N, P, K nutrient is respectively in the complete water-soluble humic acid multifunctional compound fertilizer of the present embodiment gained
15%th, 15% and 10%, total nutrient content is about 40%, and content of humic acid is about 20.6%, and the content of organic matter is about 22.1%.
Embodiment five
The preparation of complete water-soluble humic acid multifunctional compound fertilizer
It is 100 targeted fine powders that humic acid binder prepared by embodiment one is crushed, and base fertilizer is ground into 80 purposes
Fine powder, stirrer for mixing is put into uniformly according to the consumption of 749kg base fertilizers and 251kg humic acid binders, is made in disk
Granulated on grain machine, dry, cool down, screen after it is automatic into bag packaging, that is, be made water-soluble humic acid multifunctional compound fertilizer entirely.Its
Contain urea 243.5kg, MAP 230.2kg, sulphation potassium 275.3kg in middle base fertilizer.
The percentage by weight of N, P, K nutrient is respectively in the complete water-soluble humic acid multifunctional compound fertilizer of the present embodiment gained
14%th, 14% and 14%, total nutrient content is about 42%, and content of humic acid is about 17.6%, and the content of organic matter is about 18.8%.
Embodiment six
The preparation of complete water-soluble humic acid multifunctional compound fertilizer
It is 100 targeted fine powders that humic acid binder prepared by embodiment one is crushed, and base fertilizer is ground into 80 purposes
Fine powder, stirrer for mixing is put into uniformly according to the consumption of 803kg base fertilizers and 197kg humic acid binders, is made in disk
Granulated on grain machine, dry, cool down, screen after it is automatic into bag packaging, that is, be made water-soluble humic acid multifunctional compound fertilizer entirely.Its
Contain urea 261kg, MAP 247kg, potassium sulfate 295kg in middle base fertilizer.
The percentage by weight of N, P, K nutrient is respectively in the complete water-soluble humic acid multifunctional compound fertilizer of the present embodiment gained
15%th, 15% and 15%, total nutrient content is 45%, and content of humic acid is about 13.8%, and the content of organic matter is about 14.8%.
Embodiment seven
Complete water-soluble humic acid multifunctional compound fertilizer prepared by embodiment two is applied to following crops, as shown in table 1.
Table 1
As it can be seen from table 1 complete water-soluble humic acid multifunctional compound fertilizer of the invention uses different fertilization times and side
Formula, when the mu amount of applying is identical, mu units increased in production is simultaneously differed.Spread manuer in holes using the fertilizing method spreaded manuer in holes before plantation and before planting respectively,
Spray or pour the fertilizing method applied after planting to compare, the per mu yield of the latter is higher.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all it is of the invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (10)
1. a kind of complete water-soluble humic acid multifunctional compound fertilizer, it is characterised in that including following raw material：Base fertilizer and humic acid are viscous
Knot agent；By weight percentage, base fertilizer is as follows with the proportioning of humic acid binder：
Base fertilizer：70%-90%；
Humic acid binder：10%-30%；
Wherein, the base fertilizer includes nitrogenous fertilizer, phosphate fertilizer and potash fertilizer, and the percentage by weight of nitrogenous fertilizer is in the base fertilizer：32-
60%；The percentage by weight of phosphate fertilizer is：17-36%；The percentage by weight of potash fertilizer is：21-45%；
The humic acid binder is prepared from by bentonite, humic acid weathered coal, lignin and inorganic base, and the humic acid is bonded
The percentage by weight of each raw material is as follows in agent：
Bentonite：10-20%；
Humic acid weathered coal：50-60%；
Lignin：10-20%；
Inorganic base：10-20%.
2. complete water-soluble humic acid multifunctional compound fertilizer according to claim 1, it is characterised in that the humic acid binder
Preparation method it is as follows：
S1：Raw material bentonite, humic acid weathered coal, lignin and organic base are crushed；
S2：Bentonite, humic acid weathered coal, lignin and inorganic base are put into reactor by weight percentage, add 2-3 times of original
Reactor is closed after the water for expecting weight, is warming up to 80-100 DEG C, material is stirred in intensification, temperature is kept stirring for 1- after reaching
2h, then stops stirring, and constant temperature stands at least 7h to material at this temperature；
S3：Reactor is opened, step S2 products therefroms is put into after precipitating 5-10h in sedimentation basin, take supernatant liquor, concentrated, do
It is dry, obtain final product humic acid binder.
3. complete water-soluble humic acid multifunctional compound fertilizer according to claim 2, it is characterised in that in step s3, described
Supernatant liquor is concentrated, done using one or more method in spray drying, natural evaporation, rotary evaporation, vacuum drying
It is dry.
4. complete water-soluble humic acid multifunctional compound fertilizer according to claim 1, it is characterised in that the nitrogenous fertilizer, phosphate fertilizer and
Potash fertilizer is water soluble fertilizer.
5. complete water-soluble humic acid multifunctional compound fertilizer according to claim 1, it is characterised in that covered in the bentonite de-
The content of stone and colloid is all higher than 60wt%.
6. complete water-soluble humic acid multifunctional compound fertilizer according to claim 1, it is characterised in that the humic acid weathered coal
The content of middle humic acid is 40-60wt%.
7. complete water-soluble humic acid multifunctional compound fertilizer according to claim 1, it is characterised in that the lignin is lignin matter
And/or stalk lignin.
8. complete water-soluble humic acid multifunctional compound fertilizer according to claim 1, it is characterised in that the inorganic base is hydrogen-oxygen
Change potassium or NaOH.
9. a kind of preparation method of complete water-soluble humic acid multifunctional compound fertilizer as described in claim any one of 1-8, its feature
It is, including：The base fertilizer and humic acid binder are uniform in proportion after crushing to be blended, and is made on granulating disc
It is automatic into bag packaging after grain, drying, cooling, screening, that is, it is made complete water-soluble humic acid multifunctional compound fertilizer.
10. a kind of fertilizing method of complete water-soluble humic acid multifunctional compound fertilizer, it is characterised in that any using claim 1-8
Complete water-soluble humic acid multifunctional compound fertilizer described in is applied fertilizer, and is comprised the following steps：After plot digs using spreading fertilizer over the fields, bar
Apply or perforated method applies base manure, every mu of dose is 15-50kg, and/or apply, drip and apply, spray using pouring in the crop growth phase
Or the method fertilising applied is broadcast, every mu of dose is 3-15kg.
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| CN201710015014.4A CN106866298A (en) | 2017-01-09 | 2017-01-09 | A kind of complete water-soluble humic acid multifunctional compound fertilizer |
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| CN201710015014.4A CN106866298A (en) | 2017-01-09 | 2017-01-09 | A kind of complete water-soluble humic acid multifunctional compound fertilizer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108033832A (en) * | 2017-11-28 | 2018-05-15 | 贵阳开磷化肥有限公司 | A kind of multifunctional humic sour water dissolubility slow-release compound fertilizer |
| CN111296094A (en) * | 2020-04-03 | 2020-06-19 | 杭州临安月亮湾农业开发有限公司 | Cutting seedling method for Prunus mume |
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| US5656060A (en) * | 1996-03-22 | 1997-08-12 | Townley; R. John | Method of producing substantially dust-free particulates |
| CN102153412A (en) * | 2011-05-05 | 2011-08-17 | 山东省农业科学院农业资源与环境研究所 | Weathered coal activated organic and inorganic compound fertilizer and preparation method thereof |
| CN103173236A (en) * | 2012-11-30 | 2013-06-26 | 内蒙古科技大学 | Method for preparing biomass type coal adhesive from boghead coal and co-producing biomass type coal and organic fertilizer |
| CN103214296A (en) * | 2013-03-27 | 2013-07-24 | 大化集团大连瑞霖化工有限公司 | Large-particle humic acid organic and inorganic compound fertilizer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5656060A (en) * | 1996-03-22 | 1997-08-12 | Townley; R. John | Method of producing substantially dust-free particulates |
| CN102153412A (en) * | 2011-05-05 | 2011-08-17 | 山东省农业科学院农业资源与环境研究所 | Weathered coal activated organic and inorganic compound fertilizer and preparation method thereof |
| CN103173236A (en) * | 2012-11-30 | 2013-06-26 | 内蒙古科技大学 | Method for preparing biomass type coal adhesive from boghead coal and co-producing biomass type coal and organic fertilizer |
| CN103214296A (en) * | 2013-03-27 | 2013-07-24 | 大化集团大连瑞霖化工有限公司 | Large-particle humic acid organic and inorganic compound fertilizer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108033832A (en) * | 2017-11-28 | 2018-05-15 | 贵阳开磷化肥有限公司 | A kind of multifunctional humic sour water dissolubility slow-release compound fertilizer |
| CN111296094A (en) * | 2020-04-03 | 2020-06-19 | 杭州临安月亮湾农业开发有限公司 | Cutting seedling method for Prunus mume |
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Inventor after: Lv Chuandao Inventor after: Pan Wenyuan Inventor after: Tan Ning Inventor after: Li Xiaofei Inventor before: Lv Chuandao Inventor before: Tan Ning |
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Application publication date: 20170620 |