CN102503723A - Organic/inorganic drought resisting compound fertilizer and preparation method thereof - Google Patents

Organic/inorganic drought resisting compound fertilizer and preparation method thereof Download PDF

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Publication number
CN102503723A
CN102503723A CN2011103276490A CN201110327649A CN102503723A CN 102503723 A CN102503723 A CN 102503723A CN 2011103276490 A CN2011103276490 A CN 2011103276490A CN 201110327649 A CN201110327649 A CN 201110327649A CN 102503723 A CN102503723 A CN 102503723A
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organic
fertilizer
inorganic
drought
water
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CN2011103276490A
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马友华
李丁
田雁飞
马中文
谢昕云
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Anhui Agricultural University AHAU
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Anhui Agricultural University AHAU
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Abstract

The invention provides an organic/inorganic drought resisting compound fertilizer and a preparation method thereof. The preparation method comprises the following special steps of: at first, carrying out harmless treatment on raw materials of an organic fertilizer, such as livestock excrement, crop straws, kitchen garbage, fallen leaves, turf and peat, humic acid and the like, so as to obtain the organic fertilizer; then adding a macromolecule moisture retention material and an inorganic fertilizer at a certain ratio and uniformly stirring; and finally obtaining the organic/inorganic drought resisting compound fertilizer by extruding granulation. The organic/inorganic drought resisting compound fertilizer disclosed by the invention has functions of drought resistance and moisture retention, nutrient slow release and soil fertilization, so that the effects of increasing production and income of the crops are achieved. Furthermore, the organic/inorganic drought resisting compound fertilizer can effectively solve the environment pollution caused by the livestock excrement, straw burning and domestic garbage.

Description

A kind of organic-inorganic drought-resistant and preparation method thereof
Technical field
The present invention relates to a kind of composite fertilizer, be specifically related to a kind of organic-inorganic drought-resistant and preparation method thereof.
Background technology
China is traditional agricultural big producing country, and populous, in agriculture prodn and life process, can produce a large amount of organic wastes, like feces of livestock and poultry, agricultural crop straw and rubbish from cooking etc.Pertinent data shows that national feces of livestock and poultry contracts amount is about 17.3 hundred million tons, and wherein nitrogen contracts amount is about 1,597 ten thousand tons, and phosphorus contracts amount is about 3,630,000 tons, and feces of livestock and poultry gets into the water body turnover rate up to 25%~30%.The N that fowl and animal excrement causes, P number of dropouts even greater than the number of dropouts of chemical fertilizer.China can generate more than 700,000,000 ton of stalk every year, and the comprehensive utilization degree of stalk is extremely low, and crop straw burning has brought environmental pollution significantly and had inconvenient traffic.Organic waste such as feces of livestock and poultry and stalk is one of main pollution cause of rural area pollution of area source.Living standards of the people improve constantly in recent years, and rubbish from cooking is also more and more, and a large amount of rubbishes from cooking is piled up or dealt with improperly, can distribute stench, and city planning and people's lives are all seriously influenced.Along with the further raising with living standards of the people that further develops of Chinese aquaculture, feces of livestock and poultry quantity discharged and rubbish from cooking also can further increase, and problems such as the environmental pollution that causes thus will be more serious.
Organic waste is carried out pile fermentation carry out harmless treatment and process organic fertilizer and can increase utilizing degree and slowing down the environmental problem that organic waste causes of these wastes to a certain extent, N-P-K content is low, fertilizer efficiency is not obvious, use is inconvenient but common organic fertilizer still can not solve.Organic waste is made compost and is carried out the blending granulation with mineral manure again after the fermentation to become composite organic-inorganic fertilizer be the effective way that addresses the above problem.Composite organic-inorganic fertilizer GB 18877-2009 requires that npk nutrient content is not less than 15% in the fertilizer, even can be up to more than 30%, and its fertilizer efficiency can reach with simple mineral manure and differ very few, has solved the low problem of simple organic fertilizer fertilizer efficiency.And organic content is 8% to 20%, also has the adding of the humic acids of certain content, can reach fertilizing soil, alleviates that soil compaction, the crop pest that chemical fertilizer brings increases the weight of, degradation problem under the utilization rate of fertilizer.Induced worm egg death rate is higher than 95% in the fertilizer, colititre is higher than 10 -1, can effectively solve the soil biography venereal disease poison problem that organic fertilizer is made.
In addition, arid is a long-standing global problem, and China's arid, semiarid zone account for 52.5% of area, account for 60% of cultivated area.Some areas are in for a long time that the arid and semi-arid state causes that crop yield is low, the barren easy loss in soil etc.The moisture overwhelming majority that water-keeping material (super absorbent resin) is inhaled can be had very strong water-holding power by the plant absorbing utilization, and its can drought resisting, water conservation, guarantor's fertilizer, synergy, improve the soil, improve seedling rate and surviving rate, increasing both production and income etc.But research shows: after when general water-holding agent is met salt or met inorganic fertilizer, the water conservation multiple can descend rapidly, loses until water retention property.The salt tolerance of novel water-holding agent is greatly improved; Like polymer water-keeping materials such as starch-acrylamide grafted copolymer, starch-styrene sulfonic acid graft copolymer, vinylformic acid-acrylamide grafted copolymer, polyacrylic cross-linking agents, in the high density salinity, still has certain suction multiple.
With polymer salt tolerant water-keeping material with after organic fertilizer mixes; Not only can keep its water absorbing properties; Also owing to the humic acids in the organic fertilizer, peat etc. itself also have suction and water retention capacity in soil; Make salt tolerant water-holding agent and fertilizer can bring into play water conservation stack benefit, weakened because the problem that the water-keeping material water-retaining capacity that mineral manure causes water-keeping material generation antagonistic action descends significantly.Thereby make the composite organic-inorganic fertilizer that adds polymer salt tolerant water-keeping material can play drought-resistant water-preserving, nutrient slowly-released, fertilizing soil with satisfy the effect of crop to nutrient demand, the effect that reach increasing crop yield, increases income.
Summary of the invention
The objective of the invention is water-holding agent and organic fertilizer, price fertilizer are combined; Develop a kind of organic-inorganic drought-resistant particle; With the pollution that improves organic waste with solve arid, semiarid zone agriculture prodn water shortage problem and reach fertilizing soil, improve the farmland and harden; The purpose that improve utilization rate of fertilizer, slowly-releasing nutrient, increases production and improves productivity, the another kind of purpose of the present invention provides a kind of preparation method of organic-inorganic drought-resistant.
The present invention adopts following technical scheme to achieve these goals:
The organic-inorganic drought-resistant is characterized in that the weight part of its constitutive material is: organic fertilizer 30-45 part, mineral manure 50-65 part and polymer salt tolerant water-keeping material 0.5-10 part.
Described organic-inorganic drought-resistant is characterized in that: described organic fertilizer is one or more in processing of farm products waste, the rubbish from cooking organic wastes etc. such as the farming crop material, cow dung, pig manure, sheep excrement, chicken manure, duck excrement, human faecal mass, residue of monosodium glutamate of peat or the peat composed of rotten mosses, brown coal, humic acid, mud and fermentation.
Described organic-inorganic drought-resistant is characterized in that: described mineral manure include urea, ammonium sulfate, ammonium chloride wherein one or more common 30-35 parts, superphosphate of lime, ammonium phosphate, monoammonium phosphate or diammonium phosphate wherein one or more common 5-10 parts, vitriolate of tartar, Repone K is wherein a kind of or mixture 15-20 part altogether.
Described organic-inorganic drought-resistant is characterized in that: described polymer salt tolerant water-keeping material is one or more in starch-acrylate graft copolymer, starch-acrylamide grafted copolymer, starch-styrene sulfonic acid graft copolymer, acrylic acid-acrylamide graft copolymer, the polyacrylic cross-linking agent.
The preparation method of described organic-inorganic drought-resistant is characterized in that may further comprise the steps:
(1) organic fertilizer is equipped with: raw material that individuality in the fertilizer raw material is bigger such as stalk, fallen leaves fowl and animal excrement etc. is crushed to the segment of 2~3cm;
(2) composting, fermentation fertilizer: the stalk in the organic raw material or fallen leaves, rubbish from cooking etc. are carried out drying treatment; Pulverize then and put into stirrer; Add the fowl and animal excrement, residue of monosodium glutamate, humic acids, mud, peat of arbitrary proportion etc. simultaneously, inoculation high-effective microorganism fermented bacterium adds entry to stir; To humidity 50%~60%; Gained mixture composting is become wide 1.5~3 meters, high 1.0~1.5 meters flat-top fermentation buttress heap, cover black plastic film outside, carry out the anaerobism composting; Throw off black plastic film after 3~5 days, carry out turning with turnover throwing machine, aerobic composting to temperature is elevated to about 70 ℃, and turning is once more carried out moisture and replenished; Become thoroughly decomposed until material for 3~5 times repeatedly, volume is decreased to about 2/3 of raw material volume; The nature volatile dry, when following, fertilizer is processed to fertilizer moisture 25%;
(3) the stronger polymer water-keeping material of screening salt tolerance absorbs saline water more than 40 times;
(4) blending mineral manure and water-keeping material: add mineral manure 50-65 part, polymer salt tolerant water-keeping material 0.5-10 part in the organic fertilizer of accomplishing that will ferment.
(5) granulation: the fertilizer after the above-mentioned blending is carried out extruder grain, warp oven dry again, cooling fast, get into the sifting machine screening, pack and handle.
The preparation method of described organic-inorganic drought-resistant is characterized in that: described high-effective microorganism fermented bacterium is the paddy continuous heavy rain board microbiobacterial agent produced of Shanghai Lianye Agricultural Technology Co., Ltd. and the fertilizer special use of Jining, Shandong three cyclisation worker ltds production wherein one or both mixtures of agent that become thoroughly decomposed.
Beneficial effect of the present invention:
(1) organic fertilizer is carried out combining of scientific matching with mineral manure and polymer water-keeping material, can effectively improve improper environmental pollution that causes of fertilizer waste utilization and mineral manure and use the problems such as soil compaction that cause, improved soil heat;
(2) owing in fertilizer, added water-keeping material, can absorption, enrichment, storage moisture, when the environment drought and water shortage, can directly be made for the thing suction, reduced the number of times that waters, the water shortage problem of crop that solved (or slowing down) has improved the drought-resistant ability of crop;
(3) this composite fertilizer carries out acting in conjunction through organic substance and the water-keeping material that the natural peat in the organic raw material, humic acids etc. contain; Thereby efficiently solve the problem that the antagonistic action between water-keeping material and the mineral manure causes its water-retaining capacity to descend, brought into play the effect of water-keeping material to a greater extent.
(4) water-keeping material can absorb fertilizer nutrient, effectively reduces phosphorus and the loss of potassium and the loss and the volatilization of nitrogen in the fertilizer, reduces the surface pollution that fertilizer causes environment, improves fertilizer utilization ratio simultaneously;
(5) high molecular water-keeping material can be degraded to without any side effects automatically, and environment is had no adverse effects.
(6) reduce the moisture content in the granulation process through the extruder grain mode, reduced because the factors such as granulation difficulty that the water-keeping material suction causes.
(7) absorption and the utilization of crop to nutritive substance can obviously improve in this composite fertilizer, and balance plant-growth, strong root system of plant and stalk, and then increasing both production and income improve agricultural product quality.
Embodiment
Embodiment 1:The preparation method of organic-inorganic drought-resistant may further comprise the steps:
(1) organic fertilizer is equipped with: raw material that individuality in the fertilizer raw material is bigger such as stalk, fallen leaves fowl and animal excrement etc. is crushed to the segment of 2~3cm;
(2) composting, fermentation fertilizer: the stalk in the organic raw material or fallen leaves, rubbish from cooking etc. are carried out drying treatment; Pulverize then and put into stirrer; Add fowl and animal excrement, residue of monosodium glutamate, humic acids, mud, peat of arbitrary proportion etc. simultaneously; Inoculation high-effective microorganism fermented bacterium adds entry and stirs, to humidity 50%~60%; Composting becomes wide 1.5~3 meters, high 1.0~1.5 meters flat-top fermentation buttress heap, covers black plastic film outside, carries out the anaerobism composting; Throw off film after 3~5 days, carry out turning with turnover throwing machine, aerobic composting to temperature is elevated to 70 ℃, and turning is once more carried out moisture and replenished; Become thoroughly decomposed until material for 3~5 times repeatedly, volume is decreased to 2/3 of raw material volume; The nature volatile dry, when following, fertilizer is processed to fertilizer moisture 25%;
(3) the stronger polymer water-keeping material of screening salt tolerance;
(4) blending mineral manure and water-keeping material: add urea, ammonium sulfate or bicarbonate of ammonia in the organic fertilizer of accomplishing that will ferment; Monoammonium phosphate or diammonium phosphate, ammonium phosphate, superphosphate of lime; Repone K or vitriolate of tartar be 50-65 part altogether, polymer salt tolerant water-keeping material 0.5-10 part.
(5) granulation: the fertilizer after the above-mentioned blending is carried out extruder grain, warp oven dry again, cooling fast, get into the sifting machine screening, pack and handle.
Embodiment 2:Getting dry good 8 parts of choppings of crop tangerine bar mixes for 4 parts with 5 parts of exsiccant residue of monosodium glutamate, the chicken manure that crushes and 12 parts in duck excrement, 5 parts of humic acidss, 5 parts in peat, mud; Put into stirrer, inoculation high-effective microorganism fermented bacterium adds water and stirs; To humidity 60%, pH value 7.0.Composting becomes wide 2 meters, high 1.5 meters flat-top fermentation buttress heap, covers black plastic film outside, carries out the anaerobism composting.Throw off film after 3~5 days, carry out turning with turnover throwing machine, aerobic composting to temperature is elevated to 70 ℃, and turning is once more carried out moisture and replenished; Become thoroughly decomposed until material for 3~5 times repeatedly, volume is decreased to 2/3 of raw material volume; The nature volatile dry, when following, fertilizer is processed to fertilizer moisture 25%.
Get this organic fertilizer and add 1 part of polymer water-keeping material for 39 parts, 20 parts in urea, 15 parts in ammonium sulfate, 13 parts of monoammonium phosphates, Repone K mixes for 12 parts; Send into Squeezinggranulator granulation, warp oven dry again, cooling fast, screening.Fertiliser granulates after the screening is packaged into bag, and the organic-inorganic drought-resistant is processed.
Embodiment 3:
Get dry good 3 parts of choppings of 7 parts on paddy rice tangerine bar, rubbish from cooking and 5 parts of exsiccant residue of monosodium glutamate, crush 4 parts of 15 parts of cow dungs, humic acidss, peat mix for 5 parts; Put into stirrer, inoculation high-effective microorganism fermented bacterium adds water and stirs; To humidity 60%, pH value 7.0.Composting becomes wide 2.2 meters, high 1.8 meters flat-top fermentation buttress heap, covers black plastic film outside, carries out the anaerobism composting.Throw off film after 3~5 days, carry out turning with turnover throwing machine, aerobic composting to temperature is elevated to 70 ℃, and turning is once more carried out moisture and replenished; Become thoroughly decomposed until material for 3~5 times repeatedly, volume is decreased to 2/3 of raw material volume; The nature volatile dry, when following, fertilizer is processed to fertilizer moisture 25%.
Get organic fertilizer and add 3 parts of polymer water-keeping materials for 39 parts, 20 parts in urea, 15 parts in ammonium sulfate, 13 parts of diammonium phosphate, Repone K mixes for 10 parts; Send into Squeezinggranulator granulation, warp oven dry again, cooling fast, screening.Fertiliser granulates after the screening is packaged into bag, and the organic-inorganic drought-resistant is processed.
Embodiment 4:
Getting chopping such as 4 parts on dry 6 parts good on paddy rice tangerine bar, fallen leaves mixes for 7 parts with 5 parts of exsiccant residue of monosodium glutamate, 12 parts of cow dungs, 4 parts of peat of humic acids and the peat composed of rotten mosses; Put into stirrer, inoculation high-effective microorganism fermented bacterium adds water and stirs; To humidity 60%, pH value 7.0.Composting becomes wide 2.5 meters, high 1.8 meters flat-top fermentation buttress heap, covers black plastic film outside, carries out the anaerobism composting.Throw off film after 3~5 days, carry out turning with turnover throwing machine, aerobic composting to temperature is elevated to 70 ℃, and turning is once more carried out moisture and replenished; Become thoroughly decomposed until material for 3~5 times repeatedly, volume is decreased to 2/3 of raw material volume; The nature volatile dry, when following, fertilizer is processed to fertilizer moisture 25%.
Get organic fertilizer and add 2 parts of polymer water-keeping materials for 38 parts, 22 parts in urea, 15 parts in ammonium sulfate, 12 parts in ammonium phosphate, Repone K mixes for 11 parts; Send into Squeezinggranulator granulation, warp oven dry again, cooling fast, screening.Fertiliser granulates after the screening is packaged into bag, and the organic-inorganic drought-resistant is processed.
The above is merely the preferred embodiments of the present invention; Be not limited to the present invention; For a person skilled in the art, the present invention can have change and change, and is all within spirit of the present invention and principle; Any modification of being done, improvement etc. all should be included within protection scope of the present invention.

Claims (6)

1. an organic-inorganic drought-resistant is characterized in that the weight part of its constitutive material is: organic fertilizer 30-45 part, mineral manure 50-65 part and polymer salt tolerant water-keeping material 0.5-10 part.
2. organic-inorganic drought-resistant according to claim 1 is characterized in that: described organic fertilizer is one or more in processing of farm products waste, the rubbish from cooking organic wastes etc. such as the farming crop material, cow dung, pig manure, sheep excrement, chicken manure, duck excrement, human faecal mass, residue of monosodium glutamate of peat or the peat composed of rotten mosses, brown coal, humic acid, mud and fermentation.
3. organic-inorganic drought-resistant according to claim 1 is characterized in that: described mineral manure include urea, ammonium sulfate, ammonium chloride wherein one or more common 30-35 parts, superphosphate of lime, ammonium phosphate, monoammonium phosphate or diammonium phosphate wherein one or more common 5-10 parts, vitriolate of tartar, Repone K is wherein a kind of or mixture 15-20 part altogether.
4. the described organic-inorganic drought-resistant of claim 1, it is characterized in that: described polymer salt tolerant water-keeping material is one or more in starch-acrylate graft copolymer, starch-acrylamide grafted copolymer, starch-styrene sulfonic acid graft copolymer, acrylic acid-acrylamide graft copolymer, the polyacrylic cross-linking agent.
5. the preparation method of an organic-inorganic drought-resistant as claimed in claim 1 is characterized in that may further comprise the steps:
(1) organic fertilizer is equipped with: raw material that individuality in the fertilizer raw material is bigger such as stalk, fallen leaves fowl and animal excrement etc. is crushed to the segment of 2~3cm;
(2) composting, fermentation fertilizer: the stalk in the organic raw material or fallen leaves, rubbish from cooking etc. are carried out drying treatment; Pulverize then and put into stirrer; Add the fowl and animal excrement, residue of monosodium glutamate, humic acids, mud, peat of arbitrary proportion etc. simultaneously, inoculation high-effective microorganism fermented bacterium adds entry to stir; To humidity 50%~60%; Gained mixture composting is become wide 1.5~3 meters, high 1.0~1.5 meters flat-top fermentation buttress heap, cover black plastic film outside, carry out the anaerobism composting; Throw off black plastic film after 3~5 days, carry out turning with turnover throwing machine, aerobic composting to temperature is elevated to about 70 ℃, and turning is once more carried out moisture and replenished; Become thoroughly decomposed until material for 3~5 times repeatedly, volume is decreased to about 2/3 of raw material volume; The nature volatile dry, when following, fertilizer is processed to fertilizer moisture 25%;
(3) the stronger polymer water-keeping material of screening salt tolerance absorbs saline water more than 40 times;
(4) blending mineral manure and water-keeping material: add mineral manure 50-65 part, polymer salt tolerant water-keeping material 0.5-10 part in the organic fertilizer of accomplishing that will ferment;
(5) granulation: the fertilizer after the above-mentioned blending is carried out extruder grain, warp oven dry again, cooling fast, get into the sifting machine screening, pack and handle.
6. the preparation method of organic-inorganic drought-resistant according to claim 1 is characterized in that: described high-effective microorganism fermented bacterium is the paddy continuous heavy rain board microbiobacterial agent produced of Shanghai Lianye Agricultural Technology Co., Ltd. and the fertilizer special use of Jining, Shandong three cyclisation worker ltds production wherein one or both mixtures of agent that become thoroughly decomposed.
CN2011103276490A 2011-10-26 2011-10-26 Organic/inorganic drought resisting compound fertilizer and preparation method thereof Pending CN102503723A (en)

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