CN107011053A - It is a kind of that there is humic acid porosu solid fertilizer of ridging performance and preparation method thereof - Google Patents
It is a kind of that there is humic acid porosu solid fertilizer of ridging performance and preparation method thereof Download PDFInfo
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- CN107011053A CN107011053A CN201710289837.6A CN201710289837A CN107011053A CN 107011053 A CN107011053 A CN 107011053A CN 201710289837 A CN201710289837 A CN 201710289837A CN 107011053 A CN107011053 A CN 107011053A
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- aqueous solution
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D1/00—Fertilisers containing potassium
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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
- C05G3/00—Mixtures of one or more fertilisers with additives not having a specially fertilising activity
- C05G3/40—Mixtures of one or more fertilisers with additives not having a specially fertilising activity for affecting fertiliser dosage or release rate; for affecting solubility
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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
-
- 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
- C05G5/10—Solid or semi-solid fertilisers, e.g. powders
- C05G5/12—Granules or flakes
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Soil Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a kind of humic acid porosu solid fertilizer with ridging performance and preparation method thereof, in terms of mass fraction, including：1~5 part of humic acid, 8~20 parts of hydrophilic monomers, 5~30 parts of microbial bacterias, 1~20 part of potassium hydroxide, 1~8 part of pore-foaming agent, 0.005~1 initiator, 0.01~3 part of crosslinking agent and 1~5 part of buffer.Preparation method disclosed by the invention, the activation of humic acid-base solution is prepared first, prepare the hydrophilic monomer aqueous solution simultaneously, pore-foaming agent, initiator, crosslinking agent are prepared as the aqueous solution respectively, the potassium humate aqueous solution prepared is added into water-bath, constant temperature is to 40 DEG C of logical nitrogen 30min, then begin to heating, the hydrophilic monomer aqueous solution, porogen solutions, initiator solution and cross-linking agent aqueous solution are added dropwise, stirring reaction, preference temperature and acid-base value are cooled to, microbial bacteria stirring is added, a kind of humic acid porosu solid fertilizer with ridging performance is made.This method is simple to operate, low for equipment requirements, environmental protection, is adapted to industrial amplification production.
Description
Technical field
The invention belongs to agricultural fertilizer preparation technology field, more particularly to a kind of humic acid with ridging performance is porous solid
Body fertilizer and preparation method thereof.
Background technology
At present, with whole world chemical fertilizer, the increase of the usage amount of agricultural chemicals, people also increasingly increase to its dependence
By force, cause organic fertilizer and use deficiency, the decline of soil nutrient out of proportion, soil hardening, soil quality, big gas and water and environment
A series of problems, such as pollution.In order to reduce the wasting of resources, energy utilization rate is improved, mitigates environmental pollution, develops " sustainable agriculture
Industry ", these problems are solved in the urgent need to finding nontoxic, the environmentally safe and low cost energy.
Humic acid fertilizer is gradually developed by people, and humic acid fertilizer has improved soil structure, stimulates the work of plant growth
With, strengthen crops resistance, be complexed trace element, the advantages of improving crop yield.Microbial manure has fertilizer efficiency high, nontoxic
Harmless, pollution-free, low cost and other advantages, reasonable development, using microbial organic fertilizer is the important way of Developing Sustainable Agriculture
Footpath.
Humic acid fertilizer as described above enters into the visual field of people, but conventional humic acid fertilizer only focuses on fertilizer efficiency, ignores
Activating soil self-ability, improved soil performance is not started with from plant growth this " soil property ".
The content of the invention
It is an object of the invention to provide a kind of humic acid porosu solid fertilizer with ridging performance and preparation method thereof,
This method is simple to operate, low for equipment requirements, environmental protection, is adapted to industrial amplification production；Through humic acid made from this method
Porosu solid fertilizer can improve soil permeability, increase crop and air contact area, promote the effect of plant growth.
The present invention is to be achieved through the following technical solutions：
The invention discloses a kind of humic acid porosu solid fertilizer with ridging performance, in terms of mass fraction, including：1
~5 parts of humic acid, 8~20 parts of hydrophilic monomers, 5~30 parts of microbial bacterial agents, 1~20 part of potassium hydroxide, 1~8 part of pore
Agent, 0.005~1 initiator, 0.01~3 part of crosslinking agent and 1~5 part of buffer.
The hydrophilic monomer is one in acrylic acid, acrylamide, maleic acid, maleic acid, carboxymethyl cellulose
Plant or several.
The microbial bacterial agent is phosphorus decomposing microbial inoculum, potassium decomposing microbial inoculum, azotobacterin, nitragin, bacillus subtilis microbial inoculum, glue
One or more in matter bacillus agent, living bacteria count be all higher than be equal to 20,000,000,000/gram.
The pore-foaming agent is urea, calcium carbonate, magnesium carbonate, polyethylene glycol or iron hydroxide.
The initiator is one or both of potassium peroxydisulfate, ammonium persulfate or sodium hydrogensulfite.
The crosslinking agent is one or both of N, N'- methylene-bisacrylamides, borax, boric acid.
The buffer is the phosphate-buffered solvent that pH value is 6.5~7.5.
The invention also discloses the preparation method of the above-mentioned humic acid porosu solid fertilizer with ridging performance, including with
Lower step：
1) it is soluble in water after first humic acid is mixed with part potassium hydroxide, the potassium humate aqueous solution is made；Again will be hydrophilic
Property monomer mixed with remainder potassium hydroxide after it is soluble in water, be made degree of neutralization be 65%~75% hydrophilic monomer it is water-soluble
Liquid；Then the aqueous solution is prepared as by pore-foaming agent, initiator and crosslinking agent are soluble in water respectively；
2) by the potassium humate aqueous solution warming-in-water prepared to 40 DEG C, it is passed through nitrogen 30min；Then start to warm up,
And the hydrophilic monomer aqueous solution, the pore-foaming agent aqueous solution, initiator is added dropwise simultaneously into the potassium humate aqueous solution under agitation
The aqueous solution and cross-linking agent aqueous solution, are warming up to 3~4h of reaction at 70~85 DEG C；
3) after step 2) after reaction system is cooled to 20~30 DEG C, buffer regulation pH is added thereto, is subsequently added micro-
Bacteria agent, is stirred, and mixture is adsorbed microbial inoculum, is granulated, is dried, and the humic acid with ridging performance is made porous
Solid fertilizer.
Step 2) in, the drop speed of the hydrophilic monomer aqueous solution and the pore-foaming agent aqueous solution is initiator solution and crosslinking agent water
Twice of solution.
Compared with prior art, the present invention has following beneficial technique effect：
Humic acid porosu solid fertilizer disclosed by the invention with ridging performance, with humic acid, hydrophilic monomer, micro- life
Thing microbial inoculum and pore-foaming agent are raw material, while adding initiator, crosslinking agent, from humic acid as base material is prepared, give full play to it
Network structure and slow-release capability, form it into intensive cavernous structure, being capable of improved soil structure.Meanwhile, it is big that pore-foaming agent is formed
Hole and the original netted mutual cooperation water conservation of humic acid simultaneously carry out slow releasing function, and itself mesh of macropore and humic acid is engaged, and protect
Water is sustained, and forms miniature reservoir, has improved soil permeability while nutrient is provided with moisture for crop, increase crop and
Air contact area, promotes the effect of plant growth.In addition, soil activation can be improved by adding microbial bacteria.
Preparation method disclosed by the invention, prepares the activation of humic acid-base solution, while it is water-soluble to prepare hydrophilic monomer first
Liquid, the aqueous solution is prepared as by pore-foaming agent, initiator, crosslinking agent respectively, and the potassium humate aqueous solution prepared is added into water-bath,
Constant temperature to 40 DEG C of logical nitrogen 30min, then begin to heating, by the hydrophilic monomer aqueous solution, porogen solutions, initiator solution with
And cross-linking agent aqueous solution is added dropwise, stirring reaction reacts 3~4h at 70~85 DEG C, is cooled to preference temperature and acid-base value, adds micro-
Biological bacteria is stirred, and a kind of humic acid porosu solid fertilizer with ridging performance is made.This method is simple to operate, to equipment requirement
Low, environmental protection is adapted to industrial amplification production.
Embodiment
With reference to specific embodiment, the present invention is described in further detail, it is described be explanation of the invention and
It is not to limit.
Embodiment 1
1 part of humic acid is mixed into 15.5 parts of water of addition with 3.5 parts of potassium hydroxide first and prepares the potassium humate aqueous solution, is put into
In there-necked flask, then weigh 20 parts of acrylic acid dissolve in 30 parts of water dissolved in 7 parts of potassium hydroxide mixed in 13 parts of water addition acrylic acid
Aqueous solutions of potassium, while by 1 part of urea, 0.05 part of potassium peroxydisulfate, 0.03 part of N, N'- methylene-bisacrylamides are prepared as water respectively
Solution, adds water-bath in the potassium humate aqueous solution that will be prepared, is warming up to 40 DEG C of logical nitrogen 30min, starts to warm up, while sharp
The potassium acrylate aqueous solution, porogen solutions, initiator solution and crosslinking agent are added dropwise to respectively with junctions and dropping funel
The aqueous solution, stirring reaction, reaction stops for 3.5 hours under the conditions of 85 DEG C, and system is cooled into 25 DEG C, 1.5 parts of phosphorus are added thereto
Hydrochlorate buffer adjusts pH, is subsequently added 5 portions of bacillus subtilis microbial inoculums, is sufficiently stirred for, and mixture is adsorbed microbial inoculum, granulates low temperature
Freeze-day with constant temperature, is made the humic acid porosu solid fertilizer with ridging performance.
Embodiment 2
1 part of humic acid is mixed into 17 parts of water of addition with 2 parts of potassium hydroxide first and prepares the potassium humate aqueous solution, three mouthfuls are put into
Bottle in, then weigh 20 parts of acrylic acid dissolve in 30 parts of water dissolved in 5 parts of potassium hydroxide mixed in 15 parts of water add potassium acrylate water
Solution, while by 1 part of polyethylene glycol, 0.03 part of potassium peroxydisulfate and 0.03 part of sodium hydrogensulfite, 0.05 part of N, N'- di-2-ethylhexylphosphine oxides third
Acrylamide is prepared as the aqueous solution respectively, adds water-bath in the potassium humate aqueous solution that will be prepared, is warming up to 40 DEG C of logical nitrogen
30min, is started to warm up, while being added dropwise to the potassium acrylate aqueous solution, porogen solutions respectively with dropping funel using junctions, drawing
Send out the agent aqueous solution and cross-linking agent aqueous solution, stirring reaction, reaction stops for 3.5 hours under the conditions of 75 DEG C, and system is cooled into 20
DEG C, 1 part of PB regulation pH is added thereto, is subsequently added 8 portions of potassium decomposing microbial inoculums, is sufficiently stirred for, adsorbs mixture
Microbial inoculum, granulation cryogenic thermostat is dried, and the humic acid porosu solid fertilizer with ridging performance is made.
Embodiment 3
1.5 parts of humic acid are mixed into 15.5 parts of water of addition with 3 parts of potassium hydroxide first and prepare the potassium humate aqueous solution, are put into
In there-necked flask, then weigh 18 parts of acrylic acid dissolve in 32 parts of water dissolved in 7 parts of potassium hydroxide mixed in 13 parts of water addition acrylic acid
Aqueous solutions of potassium, while by 2 parts of urea, 0.04 part of potassium peroxydisulfate, 0.04 part of N, N'- methylene-bisacrylamides and boric acid (1:1 ratio
Example coordinates) aqueous solution is prepared as respectively, water-bath is added in the potassium humate aqueous solution that will be prepared, 40 DEG C of logical nitrogen are warming up to
30min, is started to warm up, while being added dropwise to the potassium acrylate aqueous solution, porogen solutions respectively with dropping funel using junctions, drawing
Send out the agent aqueous solution and cross-linking agent aqueous solution, stirring reaction, reaction stops for 3.5 hours under the conditions of 80 DEG C, and system is cooled into 30
DEG C, 2 parts of PB regulation pH are added thereto, are subsequently added 15 parts of azotobacterins, are sufficiently stirred for, adsorb mixture
Microbial inoculum, granulation cryogenic thermostat is dried, and the humic acid porosu solid fertilizer with ridging performance is made.
Embodiment 4
1 part of humic acid is mixed into 15.5 parts of water of addition with 3.5 parts of potassium hydroxide first and prepares the potassium humate aqueous solution, is put into
In there-necked flask, 20 parts of acrylic acid and carboxymethyl cellulose (1 are then weighed:1) dissolve in 30 parts of water and 7 parts of potassium hydroxide dissolve in 13 parts
Mixing adds the potassium acrylate aqueous solution in water, while by 1.5 parts of magnesium carbonate, 0.05 part of potassium peroxydisulfate, 0.03 part of N, N'- methylene
Bisacrylamide is prepared as the aqueous solution respectively, and water-bath is added in the potassium humate aqueous solution that will be prepared, and is warming up to 40 DEG C and leads to
Nitrogen 30min, is started to warm up, at the same using junctions and dropping funel be added dropwise to respectively the potassium acrylate aqueous solution, porogen solutions,
Initiator solution and cross-linking agent aqueous solution, stirring reaction, reaction stops for 3 hours under the conditions of 85 DEG C, and system is cooled into 20
DEG C, 1 part of PB regulation pH is added thereto, is subsequently added 10 parts of phosphate solubilizing bacterias and 5 parts of potassium solubilizing bacteria mix bacterium agents, fully
Stirring, makes mixture adsorb microbial inoculum, and granulation cryogenic thermostat is dried, and the humic acid porosu solid fertilizer with ridging performance is made.
Embodiment 5
1 part of humic acid is mixed into 17.5 parts of water of addition with 1.5 parts of potassium hydroxide first and prepares the potassium humate aqueous solution, is put into
In there-necked flask, then weigh 20 parts of acrylic acid dissolve in 30 parts of water dissolved in 7 parts of potassium hydroxide mixed in 13 parts of water addition acrylic acid
Aqueous solutions of potassium, while by 1 part of calcium carbonate, 0.04 part of potassium peroxydisulfate, 0.03 part of N, N'- methylene-bisacrylamides are prepared as respectively
The aqueous solution, adds water-bath in the potassium humate aqueous solution that will be prepared, is warming up to 40 DEG C of logical nitrogen 30min, starts to warm up, simultaneously
The potassium acrylate aqueous solution, porogen solutions, initiator solution and crosslinking are added dropwise to respectively using junctions and dropping funel
The agent aqueous solution, stirring reaction, reaction stops for 3.5 hours under the conditions of 85 DEG C, and system is cooled into 20~30 DEG C, phosphorus is added thereto
Hydrochlorate buffer adjusts pH, is subsequently added 2 parts of phosphate solubilizing bacterias, 3 parts of potassium solubilizing bacterias, 5 parts of bacillus subtilises, 4 parts of colloid bacillus cereus
Mix bacterium agent, be sufficiently stirred for, make mixture adsorb microbial inoculum, granulation cryogenic thermostat dry, be made with ridging performance humic
Sour porosu solid fertilizer.
Embodiment 6
4 parts of humic acid are mixed into 45 parts of water of addition with 13 parts of potassium hydroxide first and prepare the potassium humate aqueous solution, three are put into
In mouthful bottle, then weigh 8 parts of acrylic acid and dissolve in 30 parts of water and dissolve in mix in 13 parts of water with 7 parts of potassium hydroxide and add potassium acrylate water
Solution, while by 3 parts of calcium carbonate, 2 parts of polyethylene glycol, 3 parts of iron hydroxides, 0.04 part of potassium peroxydisulfate, 1 part of N, N'- di-2-ethylhexylphosphine oxides
Acrylamide and 2 parts of boraxs are prepared as the aqueous solution respectively, add water-bath in the potassium humate aqueous solution that will be prepared, are warming up to
40 DEG C of logical nitrogen 30min, are started to warm up, while being added dropwise to the potassium acrylate aqueous solution, pore respectively using junctions and dropping funel
Agent solution, initiator solution and cross-linking agent aqueous solution, stirring reaction, reaction stops for 3.5 hours under the conditions of 85 DEG C, by system
20~30 DEG C are cooled to, 5 parts of PB regulation pH are added thereto, 2 parts of phosphate solubilizing bacterias, 3 parts of potassium solubilizing bacterias, 5 are subsequently added
Part bacillus subtilis, the mix bacterium agent of 4 parts of colloid bacillus cereus, are sufficiently stirred for, mixture is adsorbed microbial inoculum, granulation low temperature is permanent
Temperature is dried, and the humic acid porosu solid fertilizer with ridging performance is made.
Above raw material is commercially available prod, and producer is not limited.
Plant fertilising checking is carried out below for fertilizer made from different embodiments of the invention, experimental field from agricultural field,
Experiment sets six processing altogether, and three repetitions, experiment area selects 18m2(wide 3m × long 6m), respectively 18 pieces, from thickness
4mmPVC plates are spaced apart, (embedment underground 100cm, ground 5cm), prevent the lateral transfer of nutrient and moisture between piecemeal.Specifically
Experimental data is shown in Table 1：
Table 1
* implementation result data of humic acid porosu solid fertilizer, temperature is in subzero 5 DEG C of (- 5 DEG C) left and right, potted plant
Wheat；Comparative example is commercially available essence of loosening the soil.
Plant fertilising is carried out using the obtained fertilizer of the present invention it can be seen from data above, just occurs soil after 20 days
Earth is completely dried up, and plant starts withered phenomenon, starts bending after 25 days, is withered serious, example 1,2,3,5 is refilled after water
Plant is again full of vitality, recovers normal.Although example 4, Plant death, the Water-saving effect and fertilizer of fertilizer after 30 days
Slow release effect it is still apparent.Compared to blank, the withering period of plant is at least delayed four days, and survival rate is also carried significantly
It is high.
It is described above, only it is presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, it is every according to the present invention
Any simple modification, change and equivalent structure transformation that technical spirit is made to above example, still fall within skill of the present invention
In the protection domain of art scheme.
Claims (9)
1. a kind of humic acid porosu solid fertilizer with ridging performance, it is characterised in that in terms of mass fraction, including：1~5
The humic acid of part, 8~20 parts of hydrophilic monomers, 5~30 parts of microbial bacterial agents, 1~20 part of potassium hydroxide, 1~8 part of pore-foaming agent,
0.005~1 initiator, 0.01~3 part of crosslinking agent and 1~5 part of buffer.
2. the humic acid porosu solid fertilizer according to claim 1 with ridging performance, it is characterised in that described hydrophilic
Property monomer be acrylic acid, acrylamide, maleic acid, maleic acid, carboxymethyl cellulose in one or more.
3. the humic acid porosu solid fertilizer according to claim 1 with ridging performance, it is characterised in that micro- life
Thing microbial inoculum is in phosphorus decomposing microbial inoculum, potassium decomposing microbial inoculum, azotobacterin, nitragin, bacillus subtilis microbial inoculum, colloid bacillus cereus agent
One or more, living bacteria count be all higher than be equal to 20,000,000,000/gram.
4. the humic acid porosu solid fertilizer according to claim 1 with ridging performance, it is characterised in that the pore
Agent is urea, calcium carbonate, magnesium carbonate, polyethylene glycol or iron hydroxide.
5. the humic acid porosu solid fertilizer according to claim 1 with ridging performance, it is characterised in that the initiation
Agent is one or both of potassium peroxydisulfate, ammonium persulfate or sodium hydrogensulfite.
6. the humic acid porosu solid fertilizer according to claim 1 with ridging performance, it is characterised in that the crosslinking
Agent is one or both of N, N'- methylene-bisacrylamides, borax, boric acid.
7. the humic acid porosu solid fertilizer according to claim 1 with ridging performance, it is characterised in that the buffering
Agent is the phosphate-buffered solvent that pH value is 6.5~7.5.
8. the preparation method of the humic acid porosu solid fertilizer with ridging performance in claim 1~7 described in any one,
It is characterised in that it includes following steps：
1) it is soluble in water after first humic acid is mixed with part potassium hydroxide, the potassium humate aqueous solution is made；Again by hydrophily list
Body is soluble in water after being mixed with remainder potassium hydroxide, and the hydrophilic monomer aqueous solution that degree of neutralization is 65%~75% is made；
Then the aqueous solution is prepared as by pore-foaming agent, initiator and crosslinking agent are soluble in water respectively；
2) by the potassium humate aqueous solution warming-in-water prepared to 40 DEG C, it is passed through nitrogen 30min；Then start to warm up, and
Into the potassium humate aqueous solution, the dropwise addition hydrophilic monomer aqueous solution, the pore-foaming agent aqueous solution, initiator are water-soluble simultaneously under stirring condition
Liquid and cross-linking agent aqueous solution, are warming up to 3~4h of reaction at 70~85 DEG C；
3) after step 2) after reaction system is cooled to 20~30 DEG C, buffer regulation pH is added thereto, microorganism is subsequently added
Microbial inoculum, is stirred, and mixture is adsorbed microbial inoculum, granulation, dry, the obtained humic acid porosu solid with ridging performance
Fertilizer.
9. the preparation method of the humic acid porosu solid fertilizer according to claim 8 with ridging performance, its feature exists
In step 2) in, the drop speed of the hydrophilic monomer aqueous solution and the pore-foaming agent aqueous solution is initiator solution and cross-linking agent aqueous solution
Twice.
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| CN202111498655.2A CN113968763A (en) | 2017-04-27 | 2017-04-27 | Humic acid porous solid fertilizer with ridging performance and preparation method and application thereof |
| CN201710289837.6A CN107011053A (en) | 2017-04-27 | 2017-04-27 | It is a kind of that there is humic acid porosu solid fertilizer of ridging performance and preparation method thereof |
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Cited By (4)
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| CN109806847A (en) * | 2019-03-27 | 2019-05-28 | 陕西科技大学 | A kind of humic acid type porous adsorbing material and its preparation method and application |
| CN111170788A (en) * | 2020-01-16 | 2020-05-19 | 佛山市安笑然生物技术有限公司 | Humic acid plant growth nutrition high-efficiency solid fertilizer and preparation method thereof |
| CN111574282A (en) * | 2020-05-08 | 2020-08-25 | 徐州莫大新材料科技有限公司 | Solid fertilizer capable of preventing soil swampiness and preparation process thereof |
| CN111996008A (en) * | 2020-08-24 | 2020-11-27 | 中国科学院青岛生物能源与过程研究所 | Method for immobilizing humic acid on surface of shell natural material |
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| CN115215977B (en) * | 2022-08-06 | 2023-10-20 | 河北萌帮生物科技有限公司 | Multi-nutrient element functional water-retaining agent and preparation method thereof |
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| CN101723765A (en) * | 2008-10-10 | 2010-06-09 | 中国科学院沈阳应用生态研究所 | Compound water retention soil conditioner and preparation thereof |
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Cited By (5)
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| CN109806847A (en) * | 2019-03-27 | 2019-05-28 | 陕西科技大学 | A kind of humic acid type porous adsorbing material and its preparation method and application |
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| CN111170788A (en) * | 2020-01-16 | 2020-05-19 | 佛山市安笑然生物技术有限公司 | Humic acid plant growth nutrition high-efficiency solid fertilizer and preparation method thereof |
| CN111574282A (en) * | 2020-05-08 | 2020-08-25 | 徐州莫大新材料科技有限公司 | Solid fertilizer capable of preventing soil swampiness and preparation process thereof |
| CN111996008A (en) * | 2020-08-24 | 2020-11-27 | 中国科学院青岛生物能源与过程研究所 | Method for immobilizing humic acid on surface of shell natural material |
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Application publication date: 20170804 |