CN105601385A - Special novel efficient mixed fertilizer for alkali soil and applying method - Google Patents
Special novel efficient mixed fertilizer for alkali soil and applying method Download PDFInfo
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- CN105601385A CN105601385A CN201511020895.6A CN201511020895A CN105601385A CN 105601385 A CN105601385 A CN 105601385A CN 201511020895 A CN201511020895 A CN 201511020895A CN 105601385 A CN105601385 A CN 105601385A
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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
- C05G1/00—Mixtures of fertilisers belonging individually to different subclasses of C05
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C21/00—Methods of fertilising, sowing or planting
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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
- C05D1/02—Manufacture from potassium chloride or sulfate or double or mixed salts thereof
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F11/00—Other organic fertilisers
- C05F11/02—Other organic fertilisers from peat, brown coal, and similar vegetable deposits
-
- 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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- Chemical & Material Sciences (AREA)
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- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention relates to an efficient chemical fertilizer, in particular to a special novel efficient mixed (BB) fertilizer for alkali soil and applying method. The efficient slow-release mixed (BB) fertilizer is a fertilizer with the particle size of 1.5-4.5mm formed by a basic fertilizer and an assistant fertilizer; the basic fertilizer is a urea sulfate long-acting slow-release composite fertilizer; the assistant fertilizer is N, P, K, medium and trace elements and an organic fertilizer; in percent by weight, the fertilizer is prepared from 20-100% of basic fertilizer, 0-80% of N fertilizer, 0-80% of P, 0-80% of K, 0-10% of medium elements, 0-2% of trace elements and 0-80% of organic fertilizer. The fertilizer is simple in production device, less in dosage, convenient to apply and good in fertilizer effect, and a preparing method is easy to operate. By mechanically or manually mixing uniformly, the special novel efficient slow-release mixed (BB) fertilizer for the alkali soil is prepared, so that a nitrogen nutrient release curve is basically inosculated with a fertilizer-required curve of a crop, and the high yield and high quality effects of the crop are realized and an obvious effect for the improvement of the alkali soil is achieved.
Description
Technical field
The present invention relates to efficient chemical fertilizer, a kind of basic soil special utility is high specificallyEffect blending (BB) fertilizer and application process.
Background technology
According to UNESCO and food and agricultural organization's incomplete statistics, whole world basic soilArea be 9.5438 hundred million hectares, wherein China is 9,913 ten thousand hectares. China's alkaline earth and alkalizationThe formation of soil, most of relevant with the accumulative total of Carbonates In Soil, thereby basicity is generallyHeight, serious salt affected soil regional plant almost can not be survived. Saline-alkali soil Planting CropsYield poorly, poor quality, what have even can not plant crop or growing plant, is seriously restricting soilThe exploitation on ground and the development of agricultural production. Seriously under-supply at current world food, IState's grain breach increases day by day, under land resource foreign and domestic situation in short supply, and large area exploitation profitWith basic soil, improve basic soil grain yield, make full use of the natural resources imperative.In agricultural production, the arable soil salinization of soil having developed is on the rise, therefore research and utilizationNew-type fertilizer alleviates saline and alkaline harm, and scientific development utilizes basic soil, improves basic soil cropOutput has realistic meaning and far reaching significance. Current common fertilizer is to alleviating soil alkaline harmEffect is not remarkable, and existence can not effectively regulate salt affected soil micro-ecological environment, and fertilizer efficiency period is short, fosterThe contradictions such as distribution ratio is unreasonable, and nutrient supply is science not, more unbalanced. Fertilizer then at presentAverage utilization only has 30～35%, and the loss such as volatilization, rainwash of nitrogen is more, fertilizerIt is poor that material applies rear validity, and economic benefit is lower, causes huge waste and the agricultural production of resourceThe increase of cost, causes and the eutrophication of greenhouse gases effect and water body makes the deterioration of the ecological environment,Greatest problem is to improve and to regulate and control the plant growth environment of saline-alkali soil.
Summary of the invention
The object of the present invention is to provide the efficient blending of a kind of basic soil special utility (BB) fertilizerMaterial and application process.
For achieving the above object, the technical solution used in the present invention is:
The efficient bulk blended fertilizer of a kind of basic soil special utility, high-efficiency sustained-release blending (BB) fertilizerThe particle diameter being made up of base fertilizer and auxiliary fertilizer is the fertilizer of 1.5-4.5mm;
Base fertilizer be NMF slowly-releasing compound/complex fertilizer, auxiliary fertilizer be nitrogen, phosphorus, potassium,Moderate-element, trace element and organic fertilizer;
By weight percentage, 20-100% base fertilizer, 0-80% nitrogenous fertilizer, 0-80% phosphorus, 0-80%Potassium, 0-10% moderate-element, 0-2% trace element, 0-80% organic fertilizer.
Described long-acting sustained-release complex fertilizer of urea sulfuric acid is by ground phosphate rock, sulfuric acid, urea, liquefied ammonia (ammoniaGas) and potassium chloride or potassium sulfate generate under certain condition compound/mixed fertilizer, mainly becomeDividing is ground phosphate rock, four urea sulfate calcium, four urea ammonium phosphate calcium, sulfuric acid, urea, potassium chlorideWith or the mixture of potassium sulfate, nitrogen, phosphorus, potassium and the total available nutrient of middle trace element are 20-50%,Or be the record acquisition in 200910010773.7 patent documentations according to application number.
Described phosphorus is selected from MAP, Diammonium phosphate (DAP), double superhosphate, calcium superphosphate and calcium magnesiumOne or more in phosphate fertilizer.
Described potassium is selected from potassium sulfate and/or potassium chloride.
Described moderate-element is selected from one or more the mixing in magnesium, silicon, nickel.
One or more in described micro-chosen from Fe, copper, manganese, zinc, boron, molybdenum and seleniumMix.
Described organic fertilizer is selected from organic fertilizer and the inorganic composite fertilizer of particle diameter at 1.5-4.5mmMaterial.
Described efficient bulk blended fertilizer refers in urea production process at urea melting (urine slurry) shapeUnder state, evenly add the stability urea product that biochemical restrainer or nitrogen fertilizer potentiating agent are made, ammonium stateThe stability nitrogen product that nitrogenous fertilizer is produced by adding ammonium stabilizing agent, and/or by various coatingsMaterial coated nitrogenous fertilizer, as solid in sulphur coated urea, coated with resin nitrogenous fertilizer, fertilizer parcel nitrogenous fertilizer etc.Body particle nitrogen manure, has remarkable control loss of nitrogenous fertilizer and the effect that improves utilization rate of fertilizer,Particle diameter is all between 1.5-4.5mm.
An application process for the efficient bulk blended fertilizer of basic soil special utility, efficiently mixes describedMixed fertilizer is disposable applying when the crop seeding or when plant transplantation as base manure, and sowing amount isMu consumption is 25kg-500kg.
Described crops are paddy rice, corn, soybean or vegetables; Plant is herbage or trees.
The 5-15cm isolation soil layer of executing at seed bottom or sidepiece when described fertilising, or transplanted seedlingLower 5-15cm depths, or trees transplant after digging pit before tree well around or with tree well bottom soil fillDivide and mix.
The present invention has advantages of:
1. adopt fertilizer of the present invention can obviously alleviate the saline and alkaline harm of saline-alkali soil, can effectively regulate saltAlkali soil microenvironment, improves salt affected soil ecological environment, effectively prevents fertilizer ineffective treatment,Make simultaneously can not growing plant saline-alkali soil can growing plant, the saline-alkali soil yielding poorly is significantlyImprove crop yield and improve quality, significantly improving utilization rate of fertilizer. Described in fertilizer of the present inventionNew sustained release is compound/and complex fertilizer is using long-acting sustained-release complex fertilizer of urea sulfuric acid as base fertilizer,Then produce by special process, contain in a large amount of brute forces and the becoming of alkaline earth neutral and alkali ionPart, the fertile consumption of Nitrogen and ratio are completely fertile special to the need of nitrogen according to plant different growing stagesPut and set, ensure the sustainable supply of fertilizer nitrogen, significantly controlled the loss of nitrogenous fertilizer, nitrogenUtilization rate can improve 10-15 percentage point, and P use efficiency can improve 8-15 percentage point,Potassium utilization rate can improve 5-10 percentage point, and compared with common fertilizer, crop yield can increaseAdd 10-50%.
Long-acting sustained-release complex fertilizer of urea sulfuric acid itself contain in required multiple of plant, trace battalionSupport element, both contained the compound after raw material reacts, contain again chemistry does not thoroughly occurThe reaction substrate of reaction, nitrogen, phosphorus, potassium and in, micronutrient element is complete, is to have chemical combination concurrentlyThe basic fertilizer of/mixture, the more auxiliary necessary nutrient that supplements q.s, special fertilizerMaterial nutrient is comprehensive, ratio science. Total available nutrient content amplitude broad, can be according to soil alkaline journeyDegree and institute's planting plants carry out each constituent in science adjustment formula. Extend the fertilizer term of validity,Promote plant to nitrogen, phosphorus, potassium and in, the absorption of the nutrition such as trace element and beneficial element, shortEnter the growth of root system, healthy and strong plant, strengthens resistance, executes special efficient fertilizer of the present invention remarkableImprove ecological environment of soil, realize Yi Ji Shi and can meet crop and need fertilizer whole growth period.
3. nutrients ratio is coordinated, with strong points, can according to alkalization of soils degree and plant and plantThe thing science of carrying out is adjusted various component ratios and is selected fertilizer material. The present invention has realized crop instituteNeed nutrient balance to supply with, for significantly improving of quality of agricultural product provides nutrition guarantee, simultaneously canEffectively reduce the environmental pollution because using chemical fertilizer to cause.
4. fertilizer production device of the present invention is simple, preparation method is easy to operate, and consumption is few, the side of usingJust, fertilizer efficiency is good. By machinery or manually puddle evenly, can be made into new for basic soilType high-efficiency sustained-release blending (BB) fertilizer, makes its nitrogen nutrient release profiles and crop need fertile curveSubstantially match, reach the effect of higher yield of crops high-quality, to basic soil, improvement has clearlyEffect.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Fertilizer of the present invention is base by the long-acting sustained-release complex fertilizer of urea sulfuric acid of making through special processPlinth fertilizer, with long-acting sustained-release complex fertilizer of urea sulfuric acid, phosphorus, potassium, moderate-element, trace element fertilizerMaterial and organic fertilizer are auxiliary fertilizer composition, and first selecting particle diameter is the urea sulphur of 1.5-4.5mmAcid long-acting sustained-release complex fertilizer, the fertilizer that is secondly 1.5-4.5mm by particle diameter, phosphorus, potassium,Moderate-element and micro-granulated fertilizer join in long-acting sustained-release complex fertilizer of urea sulfuric acid and mixEvenly, fertilizer of the present invention is applicable to that basic soil is planted various crops and plant is requiredThe supply of nutrient is with supplementary. Fertilizer of the present invention does that base manure is disposable to be applied, in plant growthIn process, no longer topdress. Described in fertilizer of the present invention, long-acting sustained-release complex fertilizer of urea sulfuric acid is by phosphorus oreThat powder, sulfuric acid, urea, ammonia and potassium chloride or potassium sulfate generate under certain condition is compound/Mixed fertilizer, main component is ground phosphate rock, four urea sulfate calcium, four urea ammonium phosphate calcium, sulphurAcid, urea, potassium chloride and or the mixture of potassium sulfate, nitrogen, phosphorus, potassium and middle trace element are totalAvailable nutrient is 20-50%. Efficient slow/controlled release nitrogenous fertilizer refers in urea production process at ureaUnder melting (urine slurry) state, evenly add the stability that biochemical restrainer or nitrogen fertilizer potentiating agent are madeUrea product, the stability nitrogen product that ammonium fertilizer is produced by adding ammonium stabilizing agent, and/Or by the nitrogenous fertilizer of various coated fertilizer coatings, as sulphur coated urea, coated with resin nitrogenous fertilizer, fertilizerThe solid particle nitrogen manures such as material parcel nitrogenous fertilizer, have remarkable control loss of nitrogenous fertilizer and improve fertilizerThe effect of utilization rate, particle diameter is all between 1.5-4.5mm.
Embodiment 1
The efficient bulk blended fertilizer of basic soil special utility is by accounting for gross mass 90% base fertilizer (basisIn fertilizer, containing N22%, contain P2O58%, containing K2O6%, containing Meso-and micro-nutrients 10%, totalContent 46%) and the humic acid organic fertilizer material that accounts for gross mass 10% (in humic acid organic fertilizer material, containN6%, containing organic 40%) evenly mix and form; Wherein, base fertilizer is that urea sulfuric acid is long-actingSlow-release compound fertilizer.
Get mix after above-mentioned fertilizer 900kg in the time that corn is sowed in spring, be the disposable pH of applying of base manure and be8.5 1hm2In corn field, in corn growth process, no longer topdress; Adopt by fertilizer withPlant the seeding machinery separating and carry out ferti-seeding (seed manure is with broadcasting dystopy), fertilizer is executed under seed, there is the isolation soil layer of 10cm in portion with corn seed;
Use this fertilizer corn yield and reach 7500kg/hm2, use common BB fertilizer corn and produceAmount 6000kg/hm2, than common BB fertilizer volume increase 25%; Than using common BB fertilizer nitrogenous fertilizerUtilization rate improves 22.5%, and fertilizer overall utilization improves 32%.
Embodiment 2
The efficient bulk blended fertilizer of basic soil special utility is by accounting for gross mass 80% base fertilizer (basisIn fertilizer, containing N20%, contain P2O58%, containing K2O12%, containing Meso-and micro-nutrients 6%, totalContent 46%), account for the stability urea (containing N46%) of gross mass 10% and account for gross mass 6%Polyurethane coated urea (containing N44%), account for the siliceous fertilizer (containing silica 50%) of gross mass 4%Evenly mix composition.
Get mix after fertilizer 1500kg within 1 day before rice terrace is raked the soil level, do that base manure is disposable to be appliedPH is 8.5 1hm2In rice terrace, in growth process of riceplant, no longer topdress, fertilization depthFor 10cm;
Use this fertilizer rice yield and reach 9000kg/hm2, use common BB fertilizer paddy rice and produceAmount 7500kg/hm2, than common BB fertilizer volume increase 20%; Than using common BB fertilizer nitrogenous fertilizerUtilization rate improves 22.8%, and fertilizer overall utilization improves 31.8%.
Embodiment 3
The efficient bulk blended fertilizer of basic soil special utility is by accounting for gross mass 75% base fertilizer (basisIn fertilizer, containing N20%, contain P2O58%, containing K2O10%, containing Meso-and micro-nutrients 8%, totalContent 46%), the bio-organic fertilizer that accounts for gross mass 20% is (containing N5%, containing P2O53%, containK2O6%, containing organic 25%), account for gross mass 4% zinc sulfate fertilizer (containing zinc 22%) and always account forQuality 1% borax is (containing B2O336.0%) evenly mix composition.
Get mix after fertilizer 400kg in the time that soybean is sowed in spring, to be the disposable pH of applying of base manure be 8.61hm2In Soybean Field, in soybeans they grow process, no longer topdress; Adopt fertilizer and kind pointFrom seeding machinery carry out ferti-seeding, fertilizer is executed in seed bottom, has 10cm with soya seedsIsolation soil layer;
Use this fertilizer soybean yields and reach 3000kg/hm2, use common BB fertilizer soybean and produceAmount 2450kg/hm2, than common BB fertilizer volume increase 22.45%; Than using common BB fertilizer nitrogenFertile utilization rate improves 12%, and fertilizer overall utilization improves 23%.
Embodiment 4
The efficient bulk blended fertilizer of basic soil special utility is by accounting for gross mass 95% base fertilizer (basisIn fertilizer, containing N25%, contain P2O56%, containing K2O6%, containing Meso-and micro-nutrients 5%, totalContent 42%), account for gross mass 5% humic acid organic fertilizer material (containing N6%, containing organic 40%)Evenly mix composition.
Get mix after fertilizer 3kg/ hole in the time planting willow spring, puddle and make base manure cheating the end with soilThe disposable pH of applying is in 8.5 saline-alkali soil, no longer topdressing in willow growth course then;Adopt the isolation soil layer of fertilizer and willow rhizosphere isolation 5-8cm;
To summer, the willow survival rate of using this fertilizer reaches 90%, and uses common BB fertilizerWillow survival rate only have 60%, than common BB fertilizer compare survival rate improve 50%.
Embodiment 5
The efficient bulk blended fertilizer of basic soil special utility is by accounting for gross mass 80% base fertilizer (basisIn fertilizer, containing N20%, contain P2O58%, containing K2O12%, containing Meso-and micro-nutrients 5%, totalContent 45%), account for gross mass 10 humic acid organic fertilizer material (containing N6%, containing organic 40%)With account for gross mass 10% granular potassium sulfate fertilizer (containing K2O50%) evenly mix composition.
Get mix after fertilizer 3000kg in the time that potato is sowed in spring, be the disposable pH of applying of base manure and be8.5 1hm2In potato fields, in potato raw growth process, no longer topdress; Adopt fertilizerThe seeding machinery that material separates with potato seed piece carries out ferti-seeding, and fertilizer is executed in potato seed piece bottom, withPotato seed has the isolation soil layer of 8cm left and right;
Use this fertilizer potato yield and reach 15000kg/hm2, use common BB fertilizer horseBell potato output 9000kg/hm2, than common BB fertilizer volume increase 40%; Than using common BB fertilizerUtilization rate of nitrogen fertilizer improves 13%, and fertilizer overall utilization improves 21%.
Embodiment 6
The efficient bulk blended fertilizer of basic soil special utility is by accounting for gross mass 90% base fertilizer (basisIn fertilizer, containing N22%, contain P2O58%, containing K2O6%, containing Meso-and micro-nutrients 10%, totalContent 46%) and the potassium chloride that accounts for gross mass 10% (containing K2O60%) evenly mix.
Get mix after fertilizer 1500kg in the time that corn is sowed in spring, to be the disposable pH of applying of base manure be 7.51hm2In corn field, in corn growth process, no longer topdress; When fertilising, execute under seedPortion, sidepiece, have the isolation soil layer of 15cm with corn seed, or adopt by fertilizer with kind separateSeeding machinery carry out ferti-seeding.
Embodiment 7
The efficient bulk blended fertilizer of basic soil special utility is by accounting for gross mass 80% base fertilizer (basisIn fertilizer, containing N22%, contain P2O58%, containing K2O6%, containing Meso-and micro-nutrients 10%, totalContent 46%), account for the stability urea (containing N46%) of gross mass 10% and account for gross mass 10%Potassium chloride (containing K2O60%) evenly mix.
Get mix after fertilizer 1500kg before rice terrace is raked the soil level, when 1 day or whole ground, before rice transplanting, doThe 1hm that the disposable pH of applying of base manure is 7.82In rice terrace, in growth process of riceplant no longerTopdress, fertilization depth is 10cm.
Embodiment 8
The efficient bulk blended fertilizer of basic soil special utility is by accounting for gross mass 60% base fertilizer (baseIn plinth fertilizer, containing N22%, contain P2O58%, containing K2O6%, containing Meso-and micro-nutrients 10%,Total content 46%), account for gross mass 10% sulfur coated urea (containing N37%), account for gross mass 20%Potassium sulfate (containing K2O50%) and the magnesium sulfate that accounts for gross mass 10% evenly mix.
Get mix after fertilizer 750kg in the time that soybean is sowed in spring, to be the disposable pH of applying of base manure be 7.61hm2In Soybean Field, in soybeans they grow process, no longer topdress; When fertilising, execute under seedPortion, sidepiece have the isolation soil layer of 10cm with soya seeds, or adopt by fertilizer with kind separateSeeding machinery carry out ferti-seeding.
Claims (9)
1. the efficient bulk blended fertilizer of basic soil special utility, is characterized in that: high-efficiency sustained-releaseThe particle diameter that blending (BB) fertilizer is made up of base fertilizer and auxiliary fertilizer is 1.5-4.5mmFertilizer;
Base fertilizer is long-acting sustained-release complex fertilizer of urea sulfuric acid, auxiliary fertilizer be nitrogen, phosphorus, potassium, inSecondary element, trace element and organic fertilizer;
By weight percentage, 20-100% base fertilizer, 0-80% nitrogenous fertilizer, 0-80% phosphorus, 0-80%Potassium, 0-10% moderate-element, 0-2% trace element, 0-80% organic fertilizer.
2. press the efficient bulk blended fertilizer of basic soil special utility claimed in claim 1, its featureBe: described phosphorus is selected from MAP, Diammonium phosphate (DAP), double superhosphate, calcium superphosphate and calciumOne or more in magnesium-phosphorus fertilizer.
3. press the efficient bulk blended fertilizer of basic soil special utility claimed in claim 1, its featureBe: described potassium is selected from potassium sulfate and/or potassium chloride.
4. press the efficient bulk blended fertilizer of basic soil special utility claimed in claim 1, its spyLevy and be: described moderate-element is selected from one or more the mixing in magnesium, silicon, nickel.
5. press the efficient bulk blended fertilizer of basic soil special utility claimed in claim 1, its spyLevy and be: a kind of in described micro-chosen from Fe, copper, manganese, zinc, boron, molybdenum and selenium orSeveral mixing.
6. press the efficient bulk blended fertilizer of basic soil special utility claimed in claim 1, its spyLevy and be: described organic fertilizer is selected from particle diameter and exists at organic fertilizer or the particle diameter of 1.5-4.5mmThe organic-inorganic compound fertilizer of 1.5-4.5mm.
7. executing by the efficient bulk blended fertilizer of basic soil special utility described in claim 1By method, it is characterized in that: using described efficient bulk blended fertilizer as base manure in the time of crop seedingOr disposable applying when plant transplantation, sowing amount for a mu consumption be 25kg-500kg.
8. by the side of using of the efficient bulk blended fertilizer of basic soil special utility described in claim 7Method, is characterized in that: described crops are paddy rice, corn, soybean or vegetables; Plant is for herdingGrass or trees.
9. by the side of using of the efficient bulk blended fertilizer of basic soil special utility described in claim 7Method, is characterized in that: the 5-15cm isolation soil of executing at seed bottom or sidepiece when described fertilisingLayer, or 5-15cm depths under transplanted seedling, trees transplant after digging pit before tree well around or with treeBottom, hole soil fully mixes.
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| CN107162848A (en) * | 2017-05-19 | 2017-09-15 | 山东农业大学 | A kind of beach saline land wheat dedicated functionality organic-inorganic controlled-release Blending Fertilizer |
| CN107501006A (en) * | 2017-09-30 | 2017-12-22 | 东营市胜利第中学 | Administer basic soil fertilizer and preparation method thereof |
| CN107814600A (en) * | 2017-10-11 | 2018-03-20 | 金正大生态工程集团股份有限公司 | A kind of preparation method of acid composite fertilizer |
| CN112645774A (en) * | 2019-09-26 | 2021-04-13 | 河北农业大学 | Preparation and application method of special slow-release bulk blended fertilizer for saline-alkali soil corns |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107162848A (en) * | 2017-05-19 | 2017-09-15 | 山东农业大学 | A kind of beach saline land wheat dedicated functionality organic-inorganic controlled-release Blending Fertilizer |
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| CN107814600A (en) * | 2017-10-11 | 2018-03-20 | 金正大生态工程集团股份有限公司 | A kind of preparation method of acid composite fertilizer |
| CN112645774A (en) * | 2019-09-26 | 2021-04-13 | 河北农业大学 | Preparation and application method of special slow-release bulk blended fertilizer for saline-alkali soil corns |
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Application publication date: 20160525 |