CN101223942A - Silaging method of crop straw - Google Patents
Silaging method of crop straw Download PDFInfo
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- CN101223942A CN101223942A CNA2008100174347A CN200810017434A CN101223942A CN 101223942 A CN101223942 A CN 101223942A CN A2008100174347 A CNA2008100174347 A CN A2008100174347A CN 200810017434 A CN200810017434 A CN 200810017434A CN 101223942 A CN101223942 A CN 101223942A
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Abstract
The invention provides an ensiling storage method for crop straws, with the steps as follows: in harvest season of crops, fresh straws are cut up, transported to a storehouse, piled up, compacted and sealed with EPDM rubber cloth, thus leading to inhibiting the reproduction of various mixed bacteria under the condition of hermetic hypoxia through the fermentation of anaerobic lactobacillus, and therefore the straws are stored and kept fresh. By means of the ensiling storage method, the straws can be stored for 2-3 years and kept with more than 90 percent of freshness and 80-90 percent of nutrition factors; therefore, the straws which are acid and fragrant, soft and succulent can be high quality silage for livestock in winter and spring. To adopt ensiled straws or fresh straws for fermentation has a methane generating rate which is 25-30 percent higher than that generated in the fermentation by choosing withered straws which are naturally stacked, thus the ensiled straws can be used as good fermentation materials.
Description
Technical field
The present invention relates to a kind of ensiling store method of agricultural crop straw, the rural area crop material that ensiling is preserved can be used as animal feeding-stuff at winter-spring season, also can be used as the raw material that anaerobic fermentation is produced biogas.
Background technology
Produce a large amount of byproduct agricultural crop straws in the agricultural production, because the factor of each side, utilization rate is not high, wherein just have sub-fraction to act as a fuel and consume, and major part does not add processing and directly abandons, cause the serious waste of resource so on the one hand, on the other hand, superfluous stalk becomes a more and more outstanding environmental pollution phenomenon, and air storage formation potential safety hazard, and the fire of Yin Faing happens occasionally thus.
We know that agricultural crop straw mainly is made up of organic matters such as cellulose, hemicellulose and lignin, by the cycle that microorganism is decomposed very long, can not be used as this season source of manure, direct returning to farmland can influence farming and crop growth.Generally the way of Cai Yonging is that crop material green grass or young crops is collected together, stack naturally withered, at winter-spring season as animal feeding-stuff.Certainly withered crop material is compared fresh stalk, and the loss of its nutritional labeling is very serious.Withered crop material also can be used as the raw material that anaerobic fermentation is produced biogas and fertilizer.According to surveying and determination, adopt fresh fermenting crops straws than adopting nature and stack withered crops, the biogas rate that fermentation produces is high by 25～30%.Therefore, the ensiling problem of agricultural crop straw has very important meaning.
Summary of the invention
The object of the invention provides a kind of Silaging method of agricultural crop straw.
The Silaging method of agricultural crop straw of the present invention, it is harvesting season crops, the stalk of fresh crops is stacked in the storage warehouse, compacting, with the sealing of EPDM elastomeric material cloth, make it under anoxia condition, by the fermentation of anaerobism lactic acid bacteria, suppress the breeding of various assorted bacterium, carry out fresh-keeping and storing.
At the initial stage of storing, because there is certain oxygen in inside, the aerobic bacteria breeding activity is frequent, also carries out the oxidative digestion of trace, and temperature has certain rising.But after in a few days, oxygen expenditure is to seldom measuring, and anaerobic bacteria mainly is that lactic acid bacteria begins breeding activity.In case the vigorous breeding of lactic acid bacteria (pH value is less than 4.2 according to surveying and determination) oxygen expenditure totally, the aerobic sigestion effect meeting of whole internal environment is suppressed and stops, and stores the moisture content and the nutrition of cobalt blue pigment and almost no longer loses, and silo enters stable storage period.
It is the EPDM rubberized fabric sealed storage storehouse of 1.5～2.0mm that the present invention adopts thickness, because the EPDM material has good stable to ultraviolet ray and air, and high resilience, has reliable sealing performance, be easy to form good enclosed environment, external influence is reduced to minimum.
General silage corn stalk gathered in milk stage, and hay silage gathered in dough stage, and yellow storage corn stalk is gathered in after plucking fringe in 15 days in advance in full ripe stage.Leguminous forage is in the harvesting that comes into bloom, and grass family gathered at heading stage, and sweet potato is harvesting before frost.At this moment material nutrient component and nutriment are all high, and moisture is suitable, is suitable for making the fermented material and the ensilage of high-quality.
The crops of the inventive method ensiling, the loss of moisture content and organic nutrition composition is little, according to surveying and determination, 3%～10% loss is only arranged, and it can keep freshness more than 90% and 80%～90% nutrition, and can deposit 2～3 years.Because smell acid is fragrant, soft and succulency, good palatability also can be used as winter-spring season livestock quality silage.
Adopt the agricultural crop straw of ensiling of the present invention, the biogas rate that produces than the fermentation of selecting nature to stack withered crops fermenting and producing is high by about 25～30%, therefore can be used as good rural area fermented material.
The specific embodiment
Preliminary preparation:
Select suitable place, build the good silo of some closed performances with cement concrete.
Prepare the EPDM elastomeric material of some and make the rubberized fabric that thickness is 1.5～2.0mm.The characteristics of EPDM material are that ultraviolet ray and air are had good stable, and high resilience has reliable sealing performance, and invests less cost.
The fresh agricultural crop straw (moisture content remains on 65%～75% for best) of harvesting harvesting in season is collected, be chopped into about 5mm broken section with chopping equipment, be transported in the storage warehouse, pile up, compacting, then with the EPDM Polypropylence Sheet from the top to the tight sealing of inlet, the border that the rubberized fabric and the water coagulation soil phase connect can be with compactings such as earth, guarantee that silo with extraneous strict isolated, enters storage period.
At the initial stage of storing, owing to have certain oxygen in the silo, the aerobic bacteria breeding activity is frequent, also carries out the oxidative digestion of trace, and temperature also has certain rising.But after in a few days, oxygen expenditure is to seldom measuring, and anaerobic bacteria begins breeding activity.In case the vigorous breeding oxygen expenditure of lactic acid bacteria totally, the aerobic sigestion effect meeting of whole internal environment is suppressed and stops, and stores the moisture content and the nutrition of cobalt blue pigment and almost no longer loses, and silo enters stable storage period.
Claims (5)
1. the Silaging method of an agricultural crop straw is that the fresh agricultural crop straw that will gather in is stacked in the storage warehouse, and the material seal that ultraviolet and air are had good stable is adopted in compacting, makes its fresh-keeping and storing under anoxia condition.
2. the Silaging method of agricultural crop straw according to claim 1 is characterized in that: adopt the sealing of EPDM rubberized fabric.
3. as the Silaging method of agricultural crop straw as described in the claim 2, it is characterized in that: the thickness of described EPDM rubberized fabric is 1.5～2.0mm.
4. the Silaging method of agricultural crop straw according to claim 1 is characterized in that: the agricultural crop straw of harvesting is cut into broken section that is not more than 10mm.
5. the Silaging method of agricultural crop straw according to claim 1, it is characterized in that: the moisture content of agricultural crop straw is 65%～75%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100174347A CN101223942A (en) | 2008-01-16 | 2008-01-16 | Silaging method of crop straw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100174347A CN101223942A (en) | 2008-01-16 | 2008-01-16 | Silaging method of crop straw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101223942A true CN101223942A (en) | 2008-07-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100174347A Pending CN101223942A (en) | 2008-01-16 | 2008-01-16 | Silaging method of crop straw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101223942A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101940272A (en) * | 2010-09-16 | 2011-01-12 | 四川省杨森乳业有限责任公司 | Method for preparing silage |
| CN102090389A (en) * | 2010-11-09 | 2011-06-15 | 河南农业大学 | Wet storage method for crop straw |
| CN103468749A (en) * | 2013-09-06 | 2013-12-25 | 北京天润草能源科技有限公司 | Method for increasing anaerobic fermentation gas yield of energy grasses |
| CN104443815A (en) * | 2014-11-14 | 2015-03-25 | 吉甫 | Universal automatic vacuum constant-pressure and constant-temperature device and container with the same |
| CN104513833A (en) * | 2014-10-16 | 2015-04-15 | 上海锦泰新能源环保股份有限公司 | Ecological circular treatment utilization process for agricultural organic solid waste |
| CN106615668A (en) * | 2016-11-08 | 2017-05-10 | 佛山佳牧乐科技有限公司 | Silage feed and preparation method of silage feed |
| CN107094990A (en) * | 2017-06-30 | 2017-08-29 | 河南世纪天缘生态科技有限公司 | A kind of wet-milling product method of Woody feed |
| CN108083864A (en) * | 2018-01-17 | 2018-05-29 | 江苏华美达生物能源有限公司 | A kind of livestock and poultry fecal pollution and processing factory's debirs and stalk cooperative processing method |
| CN109306327A (en) * | 2017-07-27 | 2019-02-05 | 内蒙古蒙正牧康实业有限公司 | The fresh storage fermenting agent of niblet and fresh storage zymotechnique |
| CN109566117A (en) * | 2019-01-09 | 2019-04-05 | 农业部规划设计研究院 | A kind of method of the wet storage of stalk |
| CN114149884A (en) * | 2021-12-10 | 2022-03-08 | 清华大学 | Method for producing fen-flavor liquor |
-
2008
- 2008-01-16 CN CNA2008100174347A patent/CN101223942A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101940272A (en) * | 2010-09-16 | 2011-01-12 | 四川省杨森乳业有限责任公司 | Method for preparing silage |
| CN102090389A (en) * | 2010-11-09 | 2011-06-15 | 河南农业大学 | Wet storage method for crop straw |
| CN102090389B (en) * | 2010-11-09 | 2013-08-14 | 河南农业大学 | Wet storage method for crop straw |
| CN103468749A (en) * | 2013-09-06 | 2013-12-25 | 北京天润草能源科技有限公司 | Method for increasing anaerobic fermentation gas yield of energy grasses |
| CN104513833A (en) * | 2014-10-16 | 2015-04-15 | 上海锦泰新能源环保股份有限公司 | Ecological circular treatment utilization process for agricultural organic solid waste |
| CN104443815A (en) * | 2014-11-14 | 2015-03-25 | 吉甫 | Universal automatic vacuum constant-pressure and constant-temperature device and container with the same |
| CN106615668A (en) * | 2016-11-08 | 2017-05-10 | 佛山佳牧乐科技有限公司 | Silage feed and preparation method of silage feed |
| CN107094990A (en) * | 2017-06-30 | 2017-08-29 | 河南世纪天缘生态科技有限公司 | A kind of wet-milling product method of Woody feed |
| CN109306327A (en) * | 2017-07-27 | 2019-02-05 | 内蒙古蒙正牧康实业有限公司 | The fresh storage fermenting agent of niblet and fresh storage zymotechnique |
| CN108083864A (en) * | 2018-01-17 | 2018-05-29 | 江苏华美达生物能源有限公司 | A kind of livestock and poultry fecal pollution and processing factory's debirs and stalk cooperative processing method |
| CN109566117A (en) * | 2019-01-09 | 2019-04-05 | 农业部规划设计研究院 | A kind of method of the wet storage of stalk |
| CN114149884A (en) * | 2021-12-10 | 2022-03-08 | 清华大学 | Method for producing fen-flavor liquor |
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Open date: 20080723 |