CN106083309A - A kind of alkaline land soil improving fertilizer and preparation method thereof - Google Patents
A kind of alkaline land soil improving fertilizer and preparation method thereof Download PDFInfo
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- CN106083309A CN106083309A CN201610398735.3A CN201610398735A CN106083309A CN 106083309 A CN106083309 A CN 106083309A CN 201610398735 A CN201610398735 A CN 201610398735A CN 106083309 A CN106083309 A CN 106083309A
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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
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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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
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Abstract
A kind of alkaline land soil improving fertilizer and preparation method thereof, described soil improvement fertilizer is made up of the raw material of following weight portion: humic fertilizer 50 70 parts, compound fertilizer 5 15 parts, mineral fertilizer 20 40 parts, acidic fertilizier 10 15 parts and water-retaining agent 25 parts.This fertilizer has abundant humic acid and trace element, and nitrogen, phosphorus, potassium nutrition more equalize, and can increase soil fertility, and improves Soil structure, reduces speed and the invalid evaporation of moisture of capillary water motion, has significantly suppression accumulation of salt in the surface soil effect.Meanwhile, also there is stronger exchange capacity, it is possible to absorption Na+、SO4 2‑And Cl‑Deng harmful ion, reduce PH and the basicity of soil, improve the exchange capacity of soil.
Description
Technical field
The present invention relates to a kind of fertilizer, particularly relate to a kind of be mainly used in alkaline land improving and the special fertilizer of reparation and
Preparation method.
Background technology
The salt-soda soil betterment of land is as a global difficult problem, for many years by the consistent concern of domestic and international experts and scholars.By
Salinity difference high, structural and defect, the most improved improvement, it is difficult to carry out agricultural raw such as fertility is low is there is in alkaline land soil
Produce, significantly limit effective utilization of this area's land resource.Along with deepening continuously of Regional Economic Development, ecological problem day
Benefit is prominent, and particularly soil salination problem seriously governs the development of regional agriculture.
According to incompletely statistics, there are 99,130,000 hectares of salt-soda soils in China, is distributed in 23 provinces, cities and autonomous regions, and saline-alkali land
Change degree is the highest, and serious salt affected soil regional plant is little to existence.Owing to the per capita arable land of China and fresh water provide
Source is all flat well below the world, and along with the continuous expansion of salt-soda soil area, arable land atrophy, fresh water pollution, seawater invasion etc.
Series of problems threatens the sustainable development of China's agricultural further.Therefore, the Appropriate application and the improvement that carry out salt-soda soil are
In the urgent need to.
At present, in terms of alkaline land improving, the ameliorative measure mainly taked has physically improved, chemical modifying, biological modification
Improveing with hydraulic engineering, these ameliorative measures have the disadvantage in that
(1) physically improved mode quantities is big, costly, and is by changing after soil cultivated plant side more mostly
Formula, this modification method completeness can not change the overall situation residing for soil, and As time goes on, the soil of replacing also can go out
The now phenomenon of the accumulation of salt in the surface soil accumulation of salt in the surface soil, and the method is cured the symptoms, not the disease, and destroys the cultivated land resource of China.
(2) mode of chemical modifying easily causes the secondary pollution of soil, damages the rationality index of soil, and salt
Alkali is made a false countercharge seriously.
(3) although the mode cost of biological modification is relatively low, but the requirement to plant is higher, and it is slower to take effect.
(4) mode of hydraulic engineering improvement is invested greatly, also exacerbates the loss of soil nutrient, in addition while fresh water desalination
Freshwater resources more and more rare, relies on the substantial amounts of fresh water desalinization of soil by flooding or leaching the most unrealistic.
For alkaline land improving mode improved effect weak effect in prior art, after improvement soil organic matter content low, reason
Change poor performance, the phenomenon of the accumulation of salt in the surface soil and the improvement high problem of cost, be badly in need of developing one can reduce salt affected soil pH value and
Soil salt content also can change soil physico-chemical property within the specific limits, and increases the improving fertilizer of soil nutrient.
Summary of the invention
The deficiency existed for prior art, the technical problem to be solved is to provide a kind of alkaline land soil and changes
Good fertilizer and preparation method thereof, solves alkaline land improving mode improved effect in prior art poor, and after improvement, the soil organism contains
Measure low, physicochemical property is poor, the phenomenon of the accumulation of salt in the surface soil and the improvement high problem of cost.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of alkaline land soil improving fertilizer, described soil improvement fertilizer is made up of the raw material of following weight portion: humic fertilizer 50-70
Part, compound fertilizer's 5-15 part, mineral fertilizer 20-40 part, acidic fertilizier 10-15 part and water-retaining agent 2-5 part.
The raw material composition of the following weight portion of described humic fertilizer: humic acid 10-20 part, peat 15-25 part, wood flour 20-30 part
With straw 30-40 part；Described wood flour and described straw are the products by obtaining after sealing multistage fermentation.
Described compound fertilizer is that two or more of ammonium phosphate, ammonium sulfate, carbamide or calcium phosphate mixes.
Described mineral fertilizer is made up of the raw material of following weight portion: zeolite 20-30 part, calcite 30-40 part, kieselguhr 10-
20 parts and sustained-release adhesive 4-8 part.
Described acidic fertilizier is made up of the raw material of following weight portion: ardealite 5-10 part and desulfurated plaster 10-15 part.
Described water-retaining agent is crosslinked salt polyacrylate, is made up of the raw material of following weight portion: acrylic acid 110-130 part, third
Acrylamide 1-5 part, chelating agen 1-5 part, cross-linking agent 0.05-0.1 part, initiator 0.1-0.5 part.
The preparation method of a kind of alkaline land soil improving fertilizer, comprises the steps:
(1) humic acid, peat, wood flour and straw are carried out according to the above ratio mixing drying and processing, mixing after drying
Compound adds the ardealite of aforementioned proportion, desulfurated plaster and two kinds of ammonium phosphate, ammonium sulfate, carbamide or calcium phosphate or two kinds
With, by pulverizing, sieve the mixed fertilizer obtaining particle diameter less than 5mm.
(2) zeolite, calcite, kieselguhr are stirred according to aforementioned proportion, pulverizing, cross 200 mesh sieves, rear add certain
The sustained-release adhesive of ratio, makes the natural mineral fertilizer of 2mm-5mm particle diameter through comminutor.
(3) under normal temperature condition, with 80% in the acrylic monomers after diluting with sodium hydroxide solution, successively add
State the acrylamide of ratio, EDTA, N, N'-methylene-bisacrylamide, persulfate, under the conditions of 60 DEG C, be passed through nitrogen carry out
Aqueous solution polymerization react, be polymerized rear 70 DEG C be incubated 1 hour, the aqueous resins colloid obtained, drying smash, sieve after obtain grain
The water-retaining agent of footpath 2mm-5mm.
(4) obtain the most saline and alkaline by step (1) to (3) prepares mixed fertilizer, mineral fertilizer and water-retaining agent mix homogeneously
Land soil is fertile.
Owing to have employed technique scheme, the invention has the beneficial effects as follows:
One alkaline land soil improving fertilizer of the present invention, described soil improvement fertilizer is made up of the raw material of following weight portion: corruption is planted
Fertile 50-70 part, compound fertilizer's 5-15 part, mineral fertilizer 20-40 part, acidic fertilizier 10-15 part and water-retaining agent 2-5 part.Above-mentioned humic fertilizer
In wood flour and straw be to utilize biotechnology, obtain with agricultural leftover bits and pieces for the sealed multistage fermentation of raw material, the product after fermentation
Thing has abundant humic acid and trace element, and nitrogen, phosphorus, potassium nutrition more equalize, and has fertilizer synergistic, improvement soil, thorn
Swash plant growth, improve the functions such as agricultural product quality.Meanwhile, humic acid can also be combined formation humic calcium with calcium, it is possible to has changed soil
The effect of earth crumb structure, eliminates the harm of heavy metal-polluted soil.
Rich in the nutrient needed for the crops such as calcium, ferrum, zinc, manganese and abundant organic matter in mineral fertilizer, have without dirty
Contaminate, nuisanceless, fertilizer efficiency is lasting, strong sprout is disease-resistant, improvement soil, the raising plurality of advantages such as yield, improving quality, can overcome again a large amount of
Use the environmental pollution that chemical fertilizer, pesticide bring, ecological disruption, degradation drawback under soil productivity, can increase soil fertility, improve soil
Earth structure, reduces speed and the invalid evaporation of moisture of capillary water motion, has significantly suppression accumulation of salt in the surface soil effect.Meanwhile, also have
There is stronger exchange capacity, it is possible to absorption Na+、SO4 2-And Cl-Deng harmful ion, reduce PH and the basicity of soil, improve soil
Exchange capacity.
Acidic fertilizier selects the sodium carbonate in calcium fertilizer, with the soil liquid and sodium bicarbonate etc. to react, and produces sulfur
Acid sodium.After calcium ion displacement sodium ion, on the one hand form calcium colloid and organo-mineral colloidal complex, improve soil aggregate,
Improve soil permeability；On the other hand reduce surface soil alkalinity, the sodium ion murder by poisoning to crop has been mitigated or eliminated.
Water-retaining agent has nontoxic, repeatedly releases the feature of water, water suction, it is possible to absorbs fertilizer, pesticide and slowly discharges,
Increase fertilizer efficiency, drug effect.Meanwhile, during water-retaining agent is manured into soil, along with imbibition and the regular change of dehydration shrinkage, week can be made
Enclosing soil and become loose from consolidation, hole increases, thus improves the penetrating situation of soil to a certain extent.
Detailed description of the invention
Below in conjunction with specific embodiment, the invention will be further described.
Embodiment 1
A kind of alkaline land soil improving fertilizer, soil improvement fertilizer is made up of the raw material of following weight portion: humic fertilizer 50 parts, compound
Fertile 5 parts, mineral fertilizer 20 parts, acidic fertilizier 10 parts and water-retaining agent 2 parts.
The raw material composition of the following weight portion of humic fertilizer: humic acid 10 parts, 15 parts of peat, wood flour 20 parts and straw 30 parts；Wood
Bits and straw are by the product obtained after sealing multistage fermentation.
Compound fertilizer is the raw material composition of following weight portion: 7 parts of ammonium phosphate, 6 parts of carbamide and 8 parts of calcium phosphate.
Mineral fertilizer is made up of the raw material of following weight portion: 20 parts of zeolite, 30 parts of calcite, 10 parts of kieselguhr and slow release bonding
Agent 4 parts.
Acidic fertilizier is made up of the raw material of following weight portion: ardealite 5 parts and desulfurated plaster 10 parts.
Water-retaining agent is crosslinked salt polyacrylate, is made up of the raw material of following weight portion: 110 parts of acrylic acid, acrylamide 1
Part, chelating agen 1 part, cross-linking agent 0.05 part, initiator 0.1 part.
The preparation method of a kind of alkaline land soil improving fertilizer, comprises the steps:
(1) humic acid, peat, wood flour and straw are carried out according to the above ratio mixing drying and processing, mixing after drying
Compound adds the ardealite of aforementioned proportion, desulfurated plaster and two kinds of ammonium phosphate, ammonium sulfate, carbamide or calcium phosphate or two kinds
With, by pulverizing, sieve the mixed fertilizer obtaining particle diameter less than 5mm.
(2) zeolite, calcite, kieselguhr are stirred according to aforementioned proportion, pulverizing, cross 200 mesh sieves, rear add certain
The sustained-release adhesive of ratio, makes the natural mineral fertilizer of 2mm-5mm particle diameter through comminutor.
(3) under normal temperature condition, with 80% in the acrylic monomers after diluting with sodium hydroxide solution, successively add
State the acrylamide of ratio, EDTA, N, N'-methylene-bisacrylamide, persulfate, under the conditions of 60 DEG C, be passed through nitrogen carry out
Aqueous solution polymerization react, be polymerized rear 70 DEG C be incubated 1 hour, the aqueous resins colloid obtained, drying smash, sieve after obtain grain
The water-retaining agent of footpath 2mm-5mm.
(4) obtain the most saline and alkaline by step (1) to (3) prepares mixed fertilizer, mineral fertilizer and water-retaining agent mix homogeneously
Land soil is fertile.
Through year, alkaline land soil salt content is improved to about 0.23%, and PH is down to 8.1, and organic matter contains
Amount is 20%, and alkaline land improving cost reduces 18%.Soil salt content after improvement is down to suitable general salt-tolerant plant growth
Level, soil physico-chemical property has the most substantially had improvement, and earth is fertile, does not hardens, and most importantly this kind of method does not goes out always
Now make a false countercharge phenomenon.
Embodiment 2
A kind of alkaline land soil improving fertilizer, soil improvement fertilizer is made up of the raw material of following weight portion: humic fertilizer 60 parts, compound
Fertile 10 parts, mineral fertilizer 29 parts, acidic fertilizier 13 parts and water-retaining agent 3 parts.
The raw material composition of the following weight portion of humic fertilizer: humic acid 15 parts, 18 parts of peat, wood flour 26 parts and straw 35 parts；Wood
Bits and straw are by the product obtained after sealing multistage fermentation.
Compound fertilizer is the raw material composition of following weight portion: 9 parts of ammonium sulfate and 10 parts of calcium phosphate.
Mineral fertilizer is made up of the raw material of following weight portion: 23 parts of zeolite, 35 parts of calcite, 15 parts of kieselguhr and slow release bonding
Agent 6 parts.
Acidic fertilizier is made up of the raw material of following weight portion: ardealite 7 parts and desulfurated plaster 12 parts.
Water-retaining agent is crosslinked salt polyacrylate, is made up of the raw material of following weight portion: 120 parts of acrylic acid, acrylamide 3
Part, chelating agen 3 parts, cross-linking agent 0.07 part, initiator 0.3 part.
The preparation method of a kind of alkaline land soil improving fertilizer, comprises the steps:
(1) humic acid, peat, wood flour and straw are carried out according to the above ratio mixing drying and processing, mixing after drying
Compound adds the ardealite of aforementioned proportion, desulfurated plaster and two kinds of ammonium phosphate, ammonium sulfate, carbamide or calcium phosphate or two kinds
With, by pulverizing, sieve the mixed fertilizer obtaining particle diameter less than 5mm.
(2) zeolite, calcite, kieselguhr are stirred according to aforementioned proportion, pulverizing, cross 200 mesh sieves, rear add certain
The sustained-release adhesive of ratio, makes the natural mineral fertilizer of 2mm-5mm particle diameter through comminutor.
(3) under normal temperature condition, with 80% in the acrylic monomers after diluting with sodium hydroxide solution, successively add
State the acrylamide of ratio, EDTA, N, N'-methylene-bisacrylamide, persulfate, under the conditions of 60 DEG C, be passed through nitrogen carry out
Aqueous solution polymerization react, be polymerized rear 70 DEG C be incubated 1 hour, the aqueous resins colloid obtained, drying smash, sieve after obtain grain
The water-retaining agent of footpath 2mm-5mm.
(4) obtain the most saline and alkaline by step (1) to (3) prepares mixed fertilizer, mineral fertilizer and water-retaining agent mix homogeneously
Land soil is fertile.
Through year, alkaline land soil salt content is improved to about 0.19%, and PH is down to 7.9, and organic matter contains
Amount is 29%, and alkaline land improving cost reduces 21%.Soil salt content after improvement is down to suitable general salt-tolerant plant growth
Level, soil physico-chemical property has the most substantially had improvement, and earth is fertile, does not hardens, and most importantly this kind of method does not goes out always
Now make a false countercharge phenomenon.
Embodiment 3
A kind of alkaline land soil improving fertilizer, soil improvement fertilizer is made up of the raw material of following weight portion: humic fertilizer 65 parts, compound
Fertile 13 parts, mineral fertilizer 35 parts, acidic fertilizier 14 parts and water-retaining agent 4 parts.
The raw material composition of the following weight portion of humic fertilizer: humic acid 18 parts, 21 parts of peat, wood flour 29 parts and straw 37 parts；Wood
Bits and straw are by the product obtained after sealing multistage fermentation.
Compound fertilizer is the raw material composition of following weight portion: 8 parts of ammonium sulfate, 7 parts of carbamide and 11 parts of calcium phosphate.
Mineral fertilizer is made up of the raw material of following weight portion: 27 parts of zeolite, 39 parts of calcite, 18 parts of kieselguhr and slow release bonding
Agent 7 parts.
Acidic fertilizier is made up of the raw material of following weight portion: ardealite 9 parts and desulfurated plaster 13 parts.
Water-retaining agent is crosslinked salt polyacrylate, is made up of the raw material of following weight portion: 125 parts of acrylic acid, acrylamide 4
Part, chelating agen 4 parts, cross-linking agent 0.09 part, initiator 0.4 part.
The preparation method of a kind of alkaline land soil improving fertilizer, comprises the steps:
(1) humic acid, peat, wood flour and straw are carried out according to the above ratio mixing drying and processing, mixing after drying
Compound adds the ardealite of aforementioned proportion, desulfurated plaster and two kinds of ammonium phosphate, ammonium sulfate, carbamide or calcium phosphate or two kinds
With, by pulverizing, sieve the mixed fertilizer obtaining particle diameter less than 5mm.
(2) zeolite, calcite, kieselguhr are stirred according to aforementioned proportion, pulverizing, cross 200 mesh sieves, rear add certain
The sustained-release adhesive of ratio, makes the natural mineral fertilizer of 2mm-5mm particle diameter through comminutor.
(3) under normal temperature condition, with 80% in the acrylic monomers after diluting with sodium hydroxide solution, successively add
State the acrylamide of ratio, EDTA, N, N'-methylene-bisacrylamide, persulfate, under the conditions of 60 DEG C, be passed through nitrogen carry out
Aqueous solution polymerization react, be polymerized rear 70 DEG C be incubated 1 hour, the aqueous resins colloid obtained, drying smash, sieve after obtain grain
The water-retaining agent of footpath 2mm-5mm.
(4) obtain the most saline and alkaline by step (1) to (3) prepares mixed fertilizer, mineral fertilizer and water-retaining agent mix homogeneously
Land soil is fertile.
Through year, alkaline land soil salt content is improved to about 0.18%, and PH is down to 8.3, and organic matter contains
Amount is 25%, and alkaline land improving cost reduces 25%.Soil salt content after improvement is down to suitable general salt-tolerant plant growth
Level, soil physico-chemical property has the most substantially had improvement, and earth is fertile, does not hardens, and most importantly this kind of method does not goes out always
Now make a false countercharge phenomenon.
Embodiment 4
A kind of alkaline land soil improving fertilizer, soil improvement fertilizer is made up of the raw material of following weight portion: humic fertilizer 68 parts, compound
Fertile 15 parts, mineral fertilizer 38 parts, acidic fertilizier 15 parts and water-retaining agent 5 parts.
The raw material composition of the following weight portion of humic fertilizer: humic acid 20 parts, 24 parts of peat, wood flour 30 parts and straw 40 parts；Wood
Bits and straw are by the product obtained after sealing multistage fermentation.
Compound fertilizer is the raw material composition of following weight portion: ammonium phosphate 8,6 parts of ammonium sulfate, 7 parts of carbamide and 11 parts of calcium phosphate.
Mineral fertilizer is made up of the raw material of following weight portion: 30 parts of zeolite, 40 parts of calcite, 20 parts of kieselguhr and slow release bonding
Agent 85 parts；Above-mentioned raw materials is the most agitated, pulverizing, excessively 200 mesh sieves, make the natural of 2mm-5mm particle diameter by comminutor
Mineral fertilizer.
Acidic fertilizier is made up of the raw material of following weight portion: ardealite 9 parts and desulfurated plaster 15 parts.
Water-retaining agent is crosslinked salt polyacrylate, is made up of the raw material of following weight portion: 128 parts of acrylic acid, acrylamide 4
Part, chelating agen 5 parts, cross-linking agent 0.1 part, initiator 0.5 part.
The preparation method of a kind of alkaline land soil improving fertilizer, comprises the steps:
(1) humic acid, peat, wood flour and straw are carried out according to the above ratio mixing drying and processing, mixing after drying
Compound adds the ardealite of aforementioned proportion, desulfurated plaster and two kinds of ammonium phosphate, ammonium sulfate, carbamide or calcium phosphate or two kinds
With, by pulverizing, sieve the mixed fertilizer obtaining particle diameter less than 5mm.
(2) zeolite, calcite, kieselguhr are stirred according to aforementioned proportion, pulverizing, cross 200 mesh sieves, rear add certain
The sustained-release adhesive of ratio, makes the natural mineral fertilizer of 2mm-5mm particle diameter through comminutor.
(3) under normal temperature condition, with 80% in the acrylic monomers after diluting with sodium hydroxide solution, successively add
State the acrylamide of ratio, EDTA, N, N'-methylene-bisacrylamide, persulfate, under the conditions of 60 DEG C, be passed through nitrogen carry out
Aqueous solution polymerization react, be polymerized rear 70 DEG C be incubated 1 hour, the aqueous resins colloid obtained, drying smash, sieve after obtain grain
The water-retaining agent of footpath 2mm-5mm.
(4) obtain the most saline and alkaline by step (1) to (3) prepares mixed fertilizer, mineral fertilizer and water-retaining agent mix homogeneously
Land soil is fertile.
Through year, alkaline land soil salt content is improved to about 0.25%, and PH is down to 7.7, and organic matter contains
Amount is 22%, and alkaline land improving cost reduces 19%.Soil salt content after improvement is down to suitable general salt-tolerant plant growth
Level, soil physico-chemical property has the most substantially had improvement, and earth is fertile, does not hardens, and most importantly this kind of method does not goes out always
Now make a false countercharge phenomenon.
Embodiments of the invention shown and described above, the present invention is not limited to above-mentioned detailed description of the invention, all bases
Technology in the present invention is conceived, and the done improvement in structure each falls among protection scope of the present invention.
Claims (7)
1. an alkaline land soil improving fertilizer, is characterized in that: described soil improvement fertilizer is made up of the raw material of following weight portion: corruption is planted
Fertile 50-70 part, compound fertilizer's 5-15 part, mineral fertilizer 20-40 part, acidic fertilizier 10-15 part and water-retaining agent 2-5 part.
A kind of alkaline land soil improving fertilizer the most according to claim 1, is characterized in that: described humic fertilizer is by following weight portion
Raw material composition: humic acid 10-20 part, peat 15-25 part, wood flour 20-30 part and straw 30-40 part；Described wood flour and described
Straw is the product by obtaining after sealing multistage fermentation.
A kind of alkaline land soil improving fertilizer the most according to claim 2, is characterized in that: described compound fertilizer is ammonium phosphate, sulfur
Two or more of acid ammonium, carbamide or calcium phosphate mixes.
A kind of alkaline land soil improving fertilizer the most according to claim 3, is characterized in that: described mineral fertilizer is by following weight portion
Raw material make: zeolite 20-30 part, calcite 30-40 part, kieselguhr 10-20 part and sustained-release adhesive 4-8 part.
A kind of alkaline land soil improving fertilizer the most according to claim 4, is characterized in that: described acidic fertilizier is by following weight
The raw material composition of part: ardealite 5-10 part and desulfurated plaster 10-15 part.
A kind of alkaline land soil improving fertilizer the most according to claim 5, is characterized in that: described water-retaining agent is crosslinked polypropylene
Hydrochlorate, is made up of the raw material of following weight portion: acrylic acid 110-130 part, acrylamide 1-5 part, chelating agen 1-5 part, cross-linking agent
0.05-0.1 part, initiator 0.1-0.5 part.
7. according to the preparation method of a kind of alkaline land soil improving fertilizer described in claim 1 or 6 any claim, its feature
It is: comprise the steps:
(1) humic acid, peat, wood flour and straw are carried out according to the above ratio mixing drying and processing, the mixture after drying
Add the ardealite of aforementioned proportion, desulfurated plaster and two kinds of ammonium phosphate, ammonium sulfate, carbamide or calcium phosphate or two kinds with, logical
Cross pulverize, sieving obtains particle diameter less than the mixed fertilizer of 5mm；
(2) zeolite, calcite, kieselguhr are stirred according to aforementioned proportion, pulverizing, cross 200 mesh sieves, add certain proportion afterwards
Sustained-release adhesive, make the natural mineral fertilizer of 2mm-5mm particle diameter through comminutor；
(3) under normal temperature condition, with 80% in the acrylic monomers after diluting with sodium hydroxide solution, above-mentioned ratio is successively added
The acrylamide of example, EDTA, N, N'-methylene-bisacrylamide, persulfate, under the conditions of 60 DEG C, it is passed through nitrogen carries out water-soluble
Liquid polyreaction, be polymerized rear 70 DEG C be incubated 1 hour, the aqueous resins colloid obtained, drying smash, sieve after obtain particle diameter
The water-retaining agent of 2mm-5mm；
(4) this salt-soda soil soil is obtained by step (1) to (3) prepares mixed fertilizer, mineral fertilizer and water-retaining agent mix homogeneously
Earth improving fertilizer.
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| CN109699226B (en) * | 2019-01-11 | 2021-10-01 | 温州东联市政工程有限公司 | Improvement method for urban sidewalk green belt soil in seaside saline-alkali land area |
| CN109761711A (en) * | 2019-03-26 | 2019-05-17 | 广州极慧技术服务有限公司 | A kind of alkaline land soil improvement fertilizer and preparation method thereof |
| CN110171999A (en) * | 2019-05-21 | 2019-08-27 | 库车物泰炭素有限公司 | A kind of compound humic acid soil renovation agent |
| CN110357744A (en) * | 2019-08-13 | 2019-10-22 | 山东胜伟盐碱地科技有限公司 | Soil conditioner and preparation based on coal-fired flue gas desulfurization gypsum, application method |
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| CN111574304A (en) * | 2020-05-18 | 2020-08-25 | 周建平 | Natural mineral soil conditioning nutrient and preparation method and application thereof |
| CN112194539A (en) * | 2020-10-12 | 2021-01-08 | 北京化工大学 | Water and fertilizer retention type soil conditioner for arid area and preparation and application thereof |
| CN112194539B (en) * | 2020-10-12 | 2023-06-27 | 北京化工大学 | Water-retaining fertilizer-retaining soil conditioner for arid regions and preparation and application thereof |
| CN113582761A (en) * | 2021-08-17 | 2021-11-02 | 黑龙江世纪云天化农业科技有限公司 | Soil conditioner for crop planting and preparation method thereof |
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