CN104774116A - Photodegradable liquid fertilizer mulch for corn, and preparation method thereof - Google Patents
Photodegradable liquid fertilizer mulch for corn, and preparation method thereof Download PDFInfo
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- CN104774116A CN104774116A CN201510198019.6A CN201510198019A CN104774116A CN 104774116 A CN104774116 A CN 104774116A CN 201510198019 A CN201510198019 A CN 201510198019A CN 104774116 A CN104774116 A CN 104774116A
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Abstract
The invention discloses a photodegradable liquid fertilizer mulch for corn. The mulch is prepared from the raw materials of, by weight, 36-40 parts of bran, 20-22 parts of oil residue, 7-11 parts of coffee bean, 3-4 parts of a composite microbial inoculum, 12-18 parts of a modified starch solution, 18-24 parts of fish offal powder, 1-2 parts of iron stearate, and a proper amount of water. The liquid fertilizer mulch provided by the invention is rich in macro-elements such as nitrogen, phosphorous and potassium needed by corn growth. Also, easy-absorbing nutrients such as iron and zinc are chelated in the mulch. With the addition of iron stearate, high-activity groups can be decomposed from the mulch under illumination, such that a high molecule chain-breaking chain reaction can be initiated, and a mulch degradation process can be accelerated. After use, no mulch residue exists in soil. Therefore, on a basis of improving corn planting yield, the safety of soil environment is ensured.
Description
Technical field
The present invention relates to a kind of agricultural film technical field, particularly a kind of corn light degradable liquid manure plastic film and preparation method thereof.
Background technology
Mulch film has the effects such as insulation, water conservation, frost protection to crop, the application of ground membrane technique improves and the output and the benefit that add farm crop greatly, but traditional mulch film is a kind of macromolecular compound of synthetic, degradable hardly in its natural state, after using, place to go is not comprehended and is caused very large pollution to edatope, affects crop root growth, and the mulch film of process is because of moist, damaged, also not reusable edible, can only as refuse reclamation, and work consuming is consuming time.
For this reason, the present inventor provides a kind of liquid fertilizer mulch film for corn, not only there is the water-retaining effect performance that common ground film is outstanding, have higher fertilizer simultaneously, material choice mostly is organic matter of easily degrading, simultaneously containing soil probiotics, by spraying the gel-like film formed in soil surface, provide protection is provided to corn planting, the use of collocation fertilizer, the dissolution rate of the nutrients such as Nitrogen, Phosphorus potassium can be improved, thus improve corn to the receptivity of fertilizer, its degraded product then forms the abundant humic acids of fertility, carbonic acid gas and water, not only pollution-free to soil, the physico-chemical property of soil can also be improved, as the substitute of common ground film, there is good application prospect.
Summary of the invention
The present invention compensate for the deficiencies in the prior art, provides a kind of corn light degradable liquid manure plastic film and preparation method thereof.
Technical scheme of the present invention is as follows:
Mulch film of the present invention is made up of the raw material of following weight part: cavings 36-40, oil foot 20-22, coffee berry 7-11, complex micro organism fungicide 3-4, modified starch solution 12-18, fish viscera powder 18-24, iron stearate 1-2, water are appropriate;
Described complex micro organism fungicide is silicate bacteria microbial inoculum, bacillus subtilis microbial agent and photosynthetic bacteria microbial inoculum, and proportion is 2:2:1;
Described modified starch solution is made up of the raw material of following weight part: potato starch 45-55, calcium acetate 2-4, potassium permanganate solution 2-3, vinylformic acid 15-20, sodium hydroxide 3-4, N,N methylene bis acrylamide 0.1-0.3, ferrous sulfate 8-10, zinc sulfate 6-8, manganous sulfate 7-9, its preparation method is dissolved in by potato starch to double in the water of its quality, be heated to 70-90 DEG C of gelatinization 30-60 minute, add potassium permanganate solution oxidation 50-70 minute again, period constantly stirs, vinylformic acid and sodium hydroxide is added again in solution, then N is added, N-methylene-bisacrylamide is cross-linked 20-30 minute, add calcium acetate again and stir, ferrous sulfate is added after reaction system being heated to 50-60 DEG C, chelating 15 minutes also stirs, add zinc sulfate more afterwards, chelating 15 minutes, finally add manganous sulfate, reaction system is warmed up to 60-80 DEG C, chelating 20-30 minute, namely chelating iron is obtained, zinc, the Modified soil bean starch solution of manganese.
The concrete steps of the preparation of described mulch film are as follows:
(1) cavings, oil foot, fish viscera powder, iron stearate mixing are placed in fermentation vat, in fermentation vat, add suitable quantity of water keep fermentation heap water content to be 45%-50%, take out fermentation materials after fermentation 3-4 week and squeeze, obtaining fermented liquid for subsequent use;
(2) coffee berry is dried at 65-75 DEG C, regrind into fine powder, in coffee fine powder, add a small amount of water, be heated to 80-90 DEG C, stir 5-10 minute, when coffee liquid is cooled to 30 DEG C, silicate bacteria microbial inoculum, bacillus subtilis microbial agent, photosynthetic bacteria microbial inoculum are joined in coffee liquid, after stirring, gained coffee liquid is filtered, filtrate is levigate at 30-40 DEG C of leeward dry doubling with gas blower, be fixed the soluble coffee fine powder of microbiobacterial agent, for subsequent use;
(3) mixed with modified starch solution by step 1 gained fermented liquid and stir, join in stoving oven, at 110-130 DEG C, dry 20-30 minute, cooling crush crosses 200 mesh sieves, for subsequent use;
(4) step 2 gained coffee fine powder, step 3 gained powder and leftover materials are mixed, dry at 35-45 DEG C, namely obtain liquid fertilizer mulch film of the present invention after metering packing;
(5) liquid fertilizer mulch film using method of the present invention is that carry out the sprinkling of soil surface with atomizer, every mu of diluent usage quantity is 15-25 kilogram by after pulvis and water in mass ratio 1:9 mixed dissolution.
Beneficial effect of the present invention:
Modified starch solution is medium trace element needed for multiple corn growth as chelating while liquid-state mulch film membrane-forming agent, is more easily absorbed than common fertilizer.
Coffee berry is as edible product, and its powder has outstanding adsorptive power, is carried out immobilized microbiobacterial agent by the adsorptivity of coffee powder and strong solubility and is added in liquid fertilizer mulch film, can produce optimize improving effect significantly to the plantation of corn and soil.
Liquid fertilizer mulch film of the present invention is not only rich in the macroelement such as N P and K needed for corn growth, simultaneously chelating iron, zinc etc. easily absorbs nutrient, the interpolation of iron stearate can make mulch film decomposite high reactivity group under light illumination, cause the chain reaction of polymer chain rupture, accelerate the degradation process of mulch film, noresidue in soil after using, ensure that the safety of edatope under the basis of improving corn planting output.
Specific embodiments
Below in conjunction with following embodiment, the present invention is described in further detail:
The raw material taking following weight (kg) is made: cavings 38, oil foot 21, coffee berry 9, complex micro organism fungicide 3, modified starch solution 15, fish viscera powder 20, iron stearate 1, water are appropriate;
Described complex micro organism fungicide is silicate bacteria microbial inoculum, bacillus subtilis microbial agent and photosynthetic bacteria microbial inoculum, and proportion is 2:2:1;
Described modified starch solution is made up of the raw material of following weight part: potato starch 50, calcium acetate 3, potassium permanganate solution 2, vinylformic acid 18, sodium hydroxide 3, N,N methylene bis acrylamide 0.1, ferrous sulfate 10, zinc sulfate 7, manganous sulfate 8, its preparation method is dissolved in by potato starch to double in the water of its quality, be heated to 80 DEG C of gelatinizations 40 minutes, add potassium permanganate solution again and be oxidized 60 minutes, period constantly stirs, vinylformic acid and sodium hydroxide is added again in solution, then N is added, crosslinked 20 minutes of N-methylene-bisacrylamide, add calcium acetate again and stir, ferrous sulfate is added after reaction system being heated to 50 DEG C, chelating 15 minutes also stirs, add zinc sulfate more afterwards, chelating 15 minutes, finally add manganous sulfate, reaction system is warmed up to 70 DEG C, chelating 20 minutes, namely chelating iron is obtained, zinc, the Modified soil bean starch solution of manganese.
The concrete steps of the preparation of described mulch film are as follows:
(1) cavings, oil foot, fish viscera powder, iron stearate mixing are placed in fermentation vat, in fermentation vat, add suitable quantity of water keep fermentation heap water content to be 45%, take out fermentation materials after fermenting 3 weeks and squeeze, obtaining fermented liquid for subsequent use;
(2) coffee berry is dried at 70 DEG C, regrind into fine powder, in coffee fine powder, add a small amount of water, be heated to 85 DEG C, stir 5 minutes, when coffee liquid is cooled to 30 DEG C, silicate bacteria microbial inoculum, bacillus subtilis microbial agent, photosynthetic bacteria microbial inoculum are joined in coffee liquid, after stirring, gained coffee liquid is filtered, filtrate is levigate at 35 DEG C of leeward dry doublings with gas blower, be fixed the soluble coffee fine powder of microbiobacterial agent, for subsequent use;
(3) mixed with modified starch solution by step 1 gained fermented liquid and stir, joining in stoving oven, dry 30 minutes at 120 DEG C, cooling crush crosses 200 mesh sieves, for subsequent use;
(4) step 2 gained coffee fine powder, step 3 gained powder and leftover materials are mixed, dry at 40 DEG C, namely obtain liquid fertilizer mulch film of the present invention after metering packing;
(5) liquid fertilizer mulch film using method of the present invention is that carry out the sprinkling of soil surface with atomizer, every mu of diluent usage quantity is 20 kilograms by after pulvis and water in mass ratio 1:9 mixed dissolution.
In order to further illustrate using value of the present invention, contriver have chosen the corn of 10 mu of field plantation same breed, wherein 5 mu spray liquid fertilizer mulch film 20kg of the present invention as experimental group every mu, use commercially available common fertilizer as base manure simultaneously, other 5 mu only use commercially available common fertilizer as base manure as a control group, between planting season, the management mode of two groups is identical, and the mensuration of the soil temperature, soil nutrient content, soil water-retaining situation etc. of different time sections between planting season having been carried out in data, result is as follows:
| Project | Control group | Experimental group |
| The 8:00 soil moisture (DEG C) | 20.09 | 21.59 |
| The 18:00 soil moisture (DEG C) | 25.69 | 26.37 |
| Soil alkali-hydrolyzable nitrogen content (mg/kg) | 41.05 | 58.17 |
| Soil available phosphorus content (mg/kg) | 67.22 | 103.21 |
| Available potassium in soils content (mg/kg) | 266.68 | 325.40 |
| Soil moisture content (%) after watering | 18.3 | 20.2 |
| Soil moisture content (%) after watering one day | 9.7 | 16.2 |
| Average water retention (%) | 53.0 | 80.2 |
| Corn yield (kg/ mu) | 584 | 622 |
| Plastic-film disintegration situation | —— | Degradable after 60 days |
After can finding out employ liquid fertilizer mulch film of the present invention from above experimental data, soil is all better than the plot being used alone fertilizer in insulation water conservation, soil fertility etc., and finally improves corn yield, is suitable for promoting the use of of corn planting industry.
Claims (2)
1. a corn light degradable liquid manure plastic film, it is characterized in that, be made up of the raw material of following weight part: cavings 36-40, oil foot 20-22, coffee berry 7-11, complex micro organism fungicide 3-4, modified starch solution 12-18, fish viscera powder 18-24, iron stearate 1-2, water are appropriate;
Described complex micro organism fungicide is silicate bacteria microbial inoculum, bacillus subtilis microbial agent and photosynthetic bacteria microbial inoculum, and proportion is 2:2:1;
Described modified starch solution is made up of the raw material of following weight part: potato starch 45-55, calcium acetate 2-4, potassium permanganate solution 2-3, vinylformic acid 15-20, sodium hydroxide 3-4, N,N methylene bis acrylamide 0.1-0.3, ferrous sulfate 8-10, zinc sulfate 6-8, manganous sulfate 7-9, its preparation method is dissolved in by potato starch to double in the water of its quality, be heated to 70-90 DEG C of gelatinization 30-60 minute, add potassium permanganate solution oxidation 50-70 minute again, period constantly stirs, vinylformic acid and sodium hydroxide is added again in solution, then N is added, N-methylene-bisacrylamide is cross-linked 20-30 minute, add calcium acetate again and stir, ferrous sulfate is added after reaction system being heated to 50-60 DEG C, chelating 15 minutes also stirs, add zinc sulfate more afterwards, chelating 15 minutes, finally add manganous sulfate, reaction system is warmed up to 60-80 DEG C, chelating 20-30 minute, namely chelating iron is obtained, zinc, the Modified soil bean starch solution of manganese.
2. the light degradable liquid manure plastic film of the corn according to claims 1, is characterized in that, the concrete steps of preparation method are as follows:
(1) cavings, oil foot, fish viscera powder, iron stearate mixing are placed in fermentation vat, in fermentation vat, add suitable quantity of water keep fermentation heap water content to be 45%-50%, take out fermentation materials after fermentation 3-4 week and squeeze, obtaining fermented liquid for subsequent use;
(2) coffee berry is dried at 65-75 DEG C, regrind into fine powder, in coffee fine powder, add a small amount of water, be heated to 80-90 DEG C, stir 5-10 minute, when coffee liquid is cooled to 30 DEG C, silicate bacteria microbial inoculum, bacillus subtilis microbial agent, photosynthetic bacteria microbial inoculum are joined in coffee liquid, after stirring, gained coffee liquid is filtered, filtrate is levigate at 30-40 DEG C of leeward dry doubling with gas blower, be fixed the soluble coffee fine powder of microbiobacterial agent, for subsequent use;
(3) mixed with modified starch solution by step 1 gained fermented liquid and stir, join in stoving oven, at 110-130 DEG C, dry 20-30 minute, cooling crush crosses 200 mesh sieves, for subsequent use;
(4) step 2 gained coffee fine powder, step 3 gained powder and leftover materials are mixed, dry at 35-45 DEG C, namely obtain liquid fertilizer mulch film of the present invention after metering packing;
(5) liquid fertilizer mulch film using method of the present invention is that carry out the sprinkling of soil surface with atomizer, every mu of diluent usage quantity is 15-25 kilogram by after pulvis and water in mass ratio 1:9 mixed dissolution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510198019.6A CN104774116A (en) | 2015-04-24 | 2015-04-24 | Photodegradable liquid fertilizer mulch for corn, and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510198019.6A CN104774116A (en) | 2015-04-24 | 2015-04-24 | Photodegradable liquid fertilizer mulch for corn, and preparation method thereof |
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| CN104774116A true CN104774116A (en) | 2015-07-15 |
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| CN201510198019.6A Pending CN104774116A (en) | 2015-04-24 | 2015-04-24 | Photodegradable liquid fertilizer mulch for corn, and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106588377A (en) * | 2016-12-22 | 2017-04-26 | 安徽康坶国际化肥股份有限公司 | Farmland fertilizer for improving permeability of soil |
| CN106748142A (en) * | 2016-12-22 | 2017-05-31 | 安徽康坶国际化肥股份有限公司 | A kind of farmland is used can improved soil fertilizer |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265385A (en) * | 2013-04-27 | 2013-08-28 | 刘好宝 | Liquid film prepared from crop straw fermentation liquid and application method thereof |
| MX2013004931A (en) * | 2013-05-02 | 2014-11-24 | Direccion General De Educacion Superior Tecnologica De La Secretaria De Educacion Publica | Foliar fertilizer made of vermicomposting lixiviates: process and equipment for producing same. |
-
2015
- 2015-04-24 CN CN201510198019.6A patent/CN104774116A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103265385A (en) * | 2013-04-27 | 2013-08-28 | 刘好宝 | Liquid film prepared from crop straw fermentation liquid and application method thereof |
| MX2013004931A (en) * | 2013-05-02 | 2014-11-24 | Direccion General De Educacion Superior Tecnologica De La Secretaria De Educacion Publica | Foliar fertilizer made of vermicomposting lixiviates: process and equipment for producing same. |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106588377A (en) * | 2016-12-22 | 2017-04-26 | 安徽康坶国际化肥股份有限公司 | Farmland fertilizer for improving permeability of soil |
| CN106748142A (en) * | 2016-12-22 | 2017-05-31 | 安徽康坶国际化肥股份有限公司 | A kind of farmland is used can improved soil fertilizer |
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Application publication date: 20150715 |
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