CN109400411A - A kind of high-efficient controlled release fertilizer and preparation method thereof suitable for saline-alkali soil - Google Patents
A kind of high-efficient controlled release fertilizer and preparation method thereof suitable for saline-alkali soil Download PDFInfo
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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
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
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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
- C05G3/80—Soil conditioners
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/30—Layered or coated, e.g. dust-preventing coatings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
The present invention relates to Controlled Release Fertilizer technical fields, more particularly to a kind of high-efficient controlled release fertilizer and preparation method thereof suitable for saline-alkali soil, the Controlled Release Fertilizer is made of the raw material proportioning of following mass parts: 10-15 parts of urea, 12-20 parts of potassium dihydrogen phosphate, 25-35 parts of tannic acid, 15-20 parts of ammonium humate, 20-35 parts of decomposed herding muck, 100-120 parts of stalk ashes, 5-10 parts of starch group compound film, PAM5-12 parts, 20-25 parts of element fertilizer compositions.It is granulated by drying after being sufficiently mixed urea, humic acid amide, potassium dihydrogen phosphate, tannic acid and element fertilizer uniformly, coating processing is carried out with starch group compound film after cooling, then it is enabled to be mixed to prepare with decomposed herding muck, stalk ashes and the PAM after abundant fermentation.The present invention effectively can carry out salt reduction, drop alkali to applied saline-alkali soil under the premise of guaranteeing microelement essential to containing plant growth and development.It solves the problems such as poor usual fertilizer control release function, low efficiency, and residual will not be left to soil, can play the role of effectively improveing saline-alkali soil.
Description
Technical field
The present invention relates to a kind of technical field of fertilizers, in particular to a kind of high-efficient controlled release fertilizer and its system suitable for saline-alkali soil
Preparation Method.
Background technique
Saline-alkali soil is a type of salt aggregation, refers to that salinity contained by soil the inside influences the normal life of crop
It is long.Various saline-alkali soil are formed under certain natural conditions, and the essence formed is mainly that various ease of solubility salts exist
Redistributing for horizontal direction and vertical direction is made on ground, so that salinity be made to have built up in the upper soll layer in collection salt area
Come.Saline-alkali soil is the general name of solonchak and alkaline earth.Solonchak refers mainly to chloride or the higher salinization soil of sulfate, soil are in
Alkalinity, but pH value is not necessarily very high.Alkaline earth refers to carbonate containing or the phosphatic soil of weight, and pH value is higher, and soil is in alkalinity.Salt
The content of organic matter of alkaline earth is few, and soil fertility is low, and physicochemical character is poor, more to the harmful anions and canons of crop, and crop is not easy to promote
Seedling.The fertilization principle of saline-alkali soil is to control the use of low concentration chemical fertilizer based on organic fertilizer material and efficient compound fertilizer.Therefore excellent
Change fertilizer structure, promotes controlled-release technology and release and release control fertilizer is the effective ways for improving utilization rate of fertilizer.
It is strong that Controlled Release Fertilizer can play the role of early period fertilizer efficiency, later period fertilizer efficiency slow release.To saline-alkali soil using suitable control
Fertilizer is released, the feature targetedly strong, application is convenient, improved effect is good, crop yield is high.But current most of Controlled Release Fertilizer
Its coated fertilizer is not degradable, can there is residual in the soil, this is indefinite on the improvement of soil in the future influence, or even also will cause
Deleterious effect.In addition, the salt radical ion and harmful substance that are unfavorable for improveing in order to which Controlled Release Fertilizer will not be left to soil, we
Be also required to select appropriate suitable controlled release fertilizer formula enables soil regime obtain effectively to increase the effect of the reclamation of salinep-alkali soil
Improve quality of agricultural product.
Summary of the invention
For the problems in above reclamation of salinep-alkali soil, the present invention provides a kind of high-efficient controlled release fertilizer suitable for saline-alkali soil and
Preparation method, the high-efficient controlled release fertilizer have selected suitable effective formula and coated fertilizer, can guarantee plant growth institute
Under necessary nutritional condition, effective salt reduction, drop alkali can be carried out to saline-alkali soil, and are solved general Controlled Release Fertilizer and had soil and have
Evil salt radical ion accumulation, capsule for controlled release fertilizer, which can not effectively degrade, causes control-release function poor, residual with that can have in the soil after degradation
The problem of staying.
Technical solution of the present invention is as follows:
A kind of high-efficient controlled release fertilizer suitable for saline-alkali soil, which is characterized in that be made of the raw material proportioning of following mass parts: urine
10-15 parts plain, 12-20 parts of potassium dihydrogen phosphate, 25-35 parts of tannic acid, 20-25 parts of element fertilizer, 20-35 parts of decomposed herding muck,
15-20 parts of ammonium humate, 100-120 parts of stalk ashes, 5-10 parts, PAM5-12 parts of starch group compound film and reinforcing agent PVA are molten
Liquid, plasticizer glycerol and crosslinking agent.
The element fertilizer includes copper sulphate, lignin sulfonic acid zinc, ferrous sulfate, magnesium sulfate, ammonium molybdate and manganese sulfate, described
Starch group compound film, predominantly cornstarch preparation composite membrane, the reinforcing agent PVA solution mass percentage concentration be 40-
45%, the plasticizer qualities of glycerin percentage concentration is 20-25%, and the crosslinking agent quality percentage concentration is the second of 15-20%
Dialdehyde.
The mass parts ratio of the copper sulphate, lignin sulfonic acid zinc, ferrous sulfate, magnesium sulfate, ammonium molybdate and manganese sulfate are as follows:
1:1.5-2.5:0.8-2.5:1.2-2.0:1-1.2:0.6-0.8.
A kind of preparation method of the high-efficient controlled release fertilizer suitable for saline-alkali soil, it is characterised in that: described is suitable for saline-alkali soil
High-efficient controlled release fertilizer preparation method the following steps are included:
Step 1: abundant with blender after urea, potassium dihydrogen phosphate, tannic acid, ammonium humate and element fertilizer are sufficiently mixed
Stirring, is rolled after being dried with drying machine to 90-100 mesh powder, then be granulated with pelletizer；
Step 2: the resulting mixed fertilizer of step 1 being carried out with starch group compound film dextrin uniformly mixed, formed sediment after cooling
Powder group compound film dextrin forms a film naturally, coats naturally to mixed fertilizer；
Step 3: the resulting coated fertilizer of step 2 is uniformly mixed with PAM, decomposed herding muck, stalk ashes to get.
The starch group compound film the preparation method comprises the following steps: stir starch and water for starch milk, be then added and dissolve in right amount
It is stirred for liquid reinforcing agent PVA solution and plasticizer glycerol under the conditions of 85 DEG C -90 DEG C with the speed of 130-150r/min
Mix be blended 35-40min, be added dropwise crosslinking agent, cross-linking reaction 35-40min, controlled at 90~110 DEG C to get.
The decomposed herding muck the preparation method comprises the following steps: dry chicken manure, cow dung, pig manure are mixed according to the ratio of 2:3:3
It closes, is filled to water content thereto and reaches 40%-50% by mass percentage, the hair that quality accounting is 0.8%-1% is added
Yeast-like fungi agent, according to high 1.5-2.0m, wide 1.2-2.0m builds heap, and windproof and rain proof enables its fermentation of generating heat naturally, while monitoring its temperature
Degree, when rising to 65 DEG C~75 DEG C to its temperature, then dropping to 40~45 DEG C, can dries pulverizing be granulated, obtain decomposed herding
Muck；The decomposed herding manure fertilizer partial size is 60-70 mesh.
Zymophyte number ratio contained by the fermenting agent is bacillus: salt tolerant Azospirillum brasilense: saccharomycete: Richter scale
Trichoderma=2-2.5:2.5-3:1-2:2.5-3.
Compared with prior art, the beneficial effects of the present invention are:
1) urea, potassium dihydrogen phosphate, element fertilizer are quick-acting fertilizer, needed for capable of providing immediately for soil after being manured into soil
Nitrogen, phosphorus, potassium and various microelements, at the same time, in order to enable soil is permanently effective to obtain nutrient from fertilizer,
We used starch group compound films as coated fertilizer, and starch group compound film is degradable, and has good biocompatibility, energy
Enough and ammonium humate collective effect, the microorganism structure improved in soil effectively play salt to inhibit the accumulation of salt ion
The effect of alkali soil improvement.By being coated on fertiliser granulates with starch group compound film, the release of nutrient in fertilizer can be controlled, is reached
Outstanding controlled-release effect, and after used feed degradation, it can be absorbed by crop, can effectively enhance soil activation, increased
Strong reclamation of salinep-alkali soil effect.
2) tannic acid can reduce suction-operated of the soil particle to base cation, to promote Soil Desalting, therefore single
Peaceful acid can be used as excellent auxiliary material improvement saline-alkali soil.Suitable tannin acid content is selected in fertilizer, can promote soil
More Na in earth+Removing and prevent excessive Ca2+And K+Loss.Due to the aobvious acidity of tannic acid, can make jointly with humic acid amide
With the basicity being effectively reduced in soil, pH value is reduced, thus the effect of playing salt reduction, drop alkali to saline-alkali soil.The PAM of addition simultaneously
It is a kind of soil conditioner, suction-operated can be played to soil particle, and effectively inhibits salt ion emersion soil in soil
It is poly- that earth forms table.And PAM can enhance the water holding capacity of soil, reduce the evaporation of soil moisture, reduce the pH value of soil,
The permeability for increasing soil, enables fertiliser granulates preferably to penetrate into soil, thus the effect for effectively acting as salt reduction, dropping alkali
Fruit.
3) the decomposed herding muck used by, raw material are chicken manure, cow dung, pig manure, and it is wide to carry out source range, it is cheap easily
, and wherein containing enough nutrients, nitrogen, phosphorus, the content of potassium are higher, can be significantly more efficient by soil after everfermentation
It absorbs, improves the fertility of soil, cooperate coat fertilizer, can effectively reduce because largely using environmental pressure brought by chemical fertilizer,
Fertilizer is avoided further to destroy saline-alkali soil.The stalk ashes of addition can enable fat particles preferably be formed, and be conducive to fertilizer and apply,
The permeability of soil can also be increased, and stalk ashes can effectively adsorb the Na in soil+, play the effect of salt reduction, and easily drop
Solution, facilitates soil absorption.
In conclusion a kind of high-efficient controlled release fertilizer and preparation method thereof suitable for saline-alkali soil of the present invention, it can
Effectively by the salt radical ion in neutralization of acid with base, with absorption and package soil, to reduce the salinity and alkali in soil
Degree.And can increase the water holding capacity of soil and prevent salt accumulation in surface soil, increase the permeability of soil, increases soil activation and improve micro-
Biota structure, enabling saline-alkali soil gradually improves as the environment suitable for plant growth.At the same time, used fertilizer formula
Containing necessary nutrient needed for plant, the fertility of soil, and the controlled release that the starch group compound film used is constituted can be effectively increased
Fertilizer is degradable, can effectively avoid the secondary pollution caused by soil, and be easy to soil slow-absorbing, plant can be enabled to grow
Different times can get required nutrient, reach later period not top dressing, the time saving effect saved worry, to improve on saline-alkali soil
The survival rate of plant, the ecological environment in salt-soda soil where effectively improving.
Specific embodiment
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Embodiment 1
A kind of high-efficient controlled release fertilizer suitable for saline-alkali soil, which is characterized in that be made of the raw material proportioning of following mass parts: urine
10 parts of element, 12 parts of potassium dihydrogen phosphate, 25 parts of tannic acid, element fertile 20 parts, 20 parts of decomposed herding muck, 15 parts of ammonium humate, straw
100 parts of stalk ashes, 5 parts, PAM5 parts of starch group compound film and reinforcing agent PVA solution, plasticizer glycerol and crosslinking agent.
The element fertilizer includes copper sulphate, lignin sulfonic acid zinc, ferrous sulfate, magnesium sulfate, ammonium molybdate and manganese sulfate, described
Starch group compound film, predominantly cornstarch preparation composite membrane, the reinforcing agent PVA solution concentration be 40%, the increasing
Moulding agent glycerol concentration is 20%, and the crosslinking agent is the glyoxal that concentration is 15%.
The mass parts ratio of the copper sulphate, lignin sulfonic acid zinc, ferrous sulfate, magnesium sulfate, ammonium molybdate and manganese sulfate are as follows:
1:1.5:0.8:1.2:1:0.6.
A kind of preparation method of the high-efficient controlled release fertilizer suitable for saline-alkali soil, it is characterised in that: described is suitable for saline-alkali soil
High-efficient controlled release fertilizer preparation method the following steps are included:
Step 1: abundant with blender after urea, potassium dihydrogen phosphate, tannic acid, ammonium humate and element fertilizer are sufficiently mixed
Stirring, is rolled after being dried with drying machine to powder, then be granulated with pelletizer；
Step 2: the resulting mixed fertilizer of step 1 being carried out with starch group compound film dextrin uniformly mixed, formed sediment after cooling
Powder group compound film dextrin forms a film naturally, coats naturally to mixed fertilizer；
Step 3: the resulting coated fertilizer of step 2 is uniformly mixed with PAM, decomposed herding muck, stalk ashes to get；
Wherein, the mixed fertilizer of preparation described in step 1 is 90 mesh.
The starch group compound film the preparation method comprises the following steps: stir starch and water for starch milk, be then added and dissolve in right amount
For liquid reinforcing agent PVA solution and plasticizer glycerol, under the conditions of 85 DEG C, with the speed blended under agitation of 130r/min
35min, be added dropwise crosslinking agent, cross-linking reaction 35min, controlled at 90 DEG C to get.
The decomposed poultry muck the preparation method comprises the following steps: dry chicken manure, cow dung, pig manure are mixed according to the ratio of 2:3:3
It closes, is filled to water content thereto and reaches 40% as mass fraction, the fermenting agent that quality accounting is 0.8% is added, according to
High 1.5m, wide 1.2m build heap, and windproof and rain proof enables its fermentation of generating heat naturally, while monitoring its temperature, rise to 65 to its temperature
DEG C, then when dropping to 40 DEG C, can dries pulverizing be granulated, obtain decomposed herding muck；The decomposed herding manure fertilizer partial size is
60 mesh.
Zymophyte number ratio contained by the fermenting agent is bacillus: salt tolerant Azospirillum brasilense: saccharomycete: Richter scale
Trichoderma=2:2.5:1:2.5.
Embodiment 2
A kind of high-efficient controlled release fertilizer suitable for saline-alkali soil of the present invention, is the raw material proportioning structure by following mass parts
At: 15 parts of urea, 20 parts of potassium dihydrogen phosphate, 35 parts of tannic acid, element fertile 25 parts, 35 parts of decomposed herding muck, ammonium humate 20
Part, 120 parts of stalk ashes, 10 parts, PAM12 parts of starch group compound film.
The element fertilizer includes copper sulphate, lignin sulfonic acid zinc, ferrous sulfate, magnesium sulfate, ammonium molybdate and manganese sulfate, sulphur
The mass parts ratio of sour copper, lignin sulfonic acid zinc, ferrous sulfate, magnesium sulfate, ammonium molybdate and manganese sulfate are as follows: 1:2.5:2.5:
2.1.2:0.8.
The preparation method and implementation of high-efficient controlled release fertilizer preparation method and starch group compound film and fermenting agent in the present embodiment
Example 1 is identical.
Embodiment 3
A kind of high-efficient controlled release fertilizer suitable for saline-alkali soil of the present invention, is the raw material proportioning structure by following mass parts
At: 12 parts of urea, 16 parts of potassium dihydrogen phosphate, 30 parts of tannic acid, element fertile 22 parts, 28 parts of decomposed herding muck, ammonium humate 17
Part, 110 parts of stalk ashes, 7 parts, PAM8 parts of starch group compound film.
The element fertilizer includes copper sulphate, lignin sulfonic acid zinc, ferrous sulfate, magnesium sulfate, ammonium molybdate and manganese sulfate, sulphur
The mass parts ratio of sour copper, lignin sulfonic acid zinc, ferrous sulfate, magnesium sulfate, ammonium molybdate and manganese sulfate are as follows: 1:2:1.6:1.6:
1.1:0.7.
The preparation method and implementation of high-efficient controlled release fertilizer preparation method and starch group compound film and fermenting agent in the present embodiment
Example 1 is identical.
Comparative example 1
Select the organic-inorganic composite fertilizer that generally uses used by the area of salt-soda soil, Fertilizer nutrient ingredient nitrogen used,
Phosphorus, potassium total amount account for 30%, and quality of organic matter score is 25%, and acidity is 6.5 or more, 15% or more humic acid, living bacteria count
0.2 hundred million/g or more.
Comparative example 2
Any fertilizer is not added, enables plant free growth.
Experimental comparison:
The salt-soda soil of test area selection Delta Region of The Yellow River, this area's vegetation coverage are 7-8%, pH value 8.8-
9.5, soil moisture content 7.5-9.5%, soil with organic matter content 6.2-6.7g/kg.
Embodiment 1 is selected, embodiment 2, embodiment 3, comparative example 1, comparative example 2 is test group 1,2,3,4,5.Every test group
It selects 100 square metres of soils to be tested, applies fertilizer according to 0.5 kilogram every square metre of amount, then carry out one wheel of deep ploughing, depth to it
For 40-45cm, for test group 5 in addition to not discharging fertilizer, other test procedures keep consistent with other groups.Then respectively at one
Vegetation coverage carries out the comparison of each test group after the moon, three months, half a year, 1 year.Simultaneously in on-test in each examination
Ground sowing cotton is tested, the measurement of yield is carried out in the harvest time.
As a result as shown in the table:
Test result warp analysis shows: applied the indices of the test group 1,2,3 of high-efficient controlled release fertilizer all than application
The test group 4 of general chemical fertilizer is more excellent, and the test group 5 without applying fertilizer cannot then provide ring necessary to plant growth
Border.After it applied 1 year fertilizer, it can be seen that the vegetation coverage for applying ground is obviously improved, soil saliferous
The phenomenon that rate is low, and basicity is low, and soil permeability fertilizer conservation, and no solidification is agglomerated.It can be seen that of the present invention a kind of suitable for saline-alkali soil
High-efficient controlled release fertilizer its formula rationally, nutrition is balanced, effective improvement can be realized to saline-alkali soil, while avoiding the dirt of environment
Dye.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.Reality of the invention
The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of selected implementation of the invention
Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.
Claims (7)
1. a kind of high-efficient controlled release fertilizer suitable for saline-alkali soil, which is characterized in that be made of the raw material proportioning of following mass parts: urea
10-15 parts, 12-20 parts of potassium dihydrogen phosphate, 25-35 parts of tannic acid, 20-25 parts of element fertilizer, 20-35 parts of decomposed herding muck, corruption
It is molten to grow sour ammonium 15-20 parts, 100-120 parts of stalk ashes, 5-10 parts, PAM5-12 parts of starch group compound film and reinforcing agent PVA
Liquid, plasticizer glycerol and crosslinking agent.
2. a kind of high-efficient controlled release fertilizer suitable for saline-alkali soil according to claim 1, it is characterised in that: the element fertilizer packet
Include copper sulphate, lignin sulfonic acid zinc, ferrous sulfate, magnesium sulfate, ammonium molybdate and manganese sulfate, the starch group compound film, mainly
For the composite membrane of cornstarch preparation, the reinforcing agent PVA solution mass percentage concentration is 40-45%, the plasticizer glycerol
Mass percentage concentration is 20-25%, and the crosslinking agent quality percentage concentration is the glyoxal of 15-20%.
3. -2 described in any item a kind of high-efficient controlled release fertilizer suitable for saline-alkali soil according to claim 1, it is characterised in that: described
The mass parts ratio of copper sulphate, lignin sulfonic acid zinc, ferrous sulfate, magnesium sulfate, ammonium molybdate and manganese sulfate are as follows: 1:1.5-2.5:
0.8-2.5:1.2-2.0:1-1.2:0.6-0.8.
4. a kind of preparation method for preparing the high-efficient controlled release fertilizer as described in any one of claims 1-3 suitable for saline-alkali soil,
Be characterized in that: the preparation method of the high-efficient controlled release fertilizer suitable for saline-alkali soil the following steps are included:
Step (1): it is sufficiently stirred after urea, potassium dihydrogen phosphate, tannic acid, ammonium humate and element fertilizer are sufficiently mixed with blender
It mixes, is rolled after being dried with drying machine to 90-100 mesh powder, then be granulated with pelletizer；
Step (2): step (1) resulting mixed fertilizer being carried out with starch group compound film dextrin uniformly mixed, is formed sediment after cooling
Powder group compound film dextrin forms a film naturally, coats naturally to mixed fertilizer；
Step (3): step (2) resulting coated fertilizer is uniformly mixed with PAM, decomposed herding muck, stalk ashes to get.
5. the preparation method according to claim 4, it is characterised in that: the starch group compound film the preparation method comprises the following steps: will
Starch and water stirring are starch milk, are then added and are dissolved as liquid reinforcing agent PVA solution and plasticizer glycerol in right amount, 85
Under the conditions of DEG C -90 DEG C, with the speed blended under agitation 35-40min of 130-150r/min, crosslinking agent, cross-linking reaction 35- is added dropwise
40min, controlled at 90~110 DEG C to get.
6. the preparation method according to claim 4, it is characterised in that: the decomposed herding muck the preparation method comprises the following steps: will
Dry chicken manure, cow dung, pig manure are mixed according to the ratio of 2:3:3, are filled to water content thereto and are reached by mass percentage
The fermenting agent that quality accounting is 0.8%-1% is added in 40%-50%, and according to high 1.5-2.0m, wide 1.2-2.0m builds heap, prevents
Wind rain-proof enables its fermentation of generating heat naturally, while monitoring its temperature, rises to 65 DEG C~75 DEG C to its temperature, then drop to 40~
At 45 DEG C, can dries pulverizing be granulated, obtain decomposed herding muck；The decomposed herding manure fertilizer partial size is 60-70 mesh.
7. the preparation method according to claim 4 or 6, it is characterised in that: zymophyte portion rate contained by the fermenting agent
Example is bacillus: salt tolerant Azospirillum brasilense: saccharomycete: trichoderma reesei=2-2.5:2.5-3:1-2:2.5-3.
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Cited By (3)
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| CN111675574A (en) * | 2020-06-28 | 2020-09-18 | 北部湾海洋新材料研究院 | Slow-release selenium-rich ecological fertilizer for golden camellia and preparation method thereof |
| CN113717007A (en) * | 2021-10-12 | 2021-11-30 | 河北省农林科学院农业资源环境研究所 | Compound fertilizer for reducing leaching loss of nitrogen in soil and preparation method thereof |
| CN114380643A (en) * | 2022-02-23 | 2022-04-22 | 淮安西德工业设计有限公司 | Efficient production process and production equipment for organic fertilizer |
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