Method for treating cotton field straw and residual biodegradable mulch films

A technology of biological mulching and biodegradation, applied in the direction of fertilizers made from biological waste, treatment of biological organic parts, fertilizer mixtures, etc., can solve the problems of affecting mechanical farming operations, affecting the growth of subsequent crops, and not being able to completely degrade, so as to save The workload of labor and hauling water, saving hauling costs, and the effect of inhibiting the increase of the base of bacterial sources

Inactive Publication Date: 2016-07-20
石河子农业科学研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In Xinjiang, biodegradable mulches with a longer functional period can meet the needs of cotton during the growth period, which is required for production, and can ensure the realization of its warming, moisturizing, and weed growth inhibition effects. However, this type of biodegradable mulch could not Completely degradable, biodegradable mulch with a long functional period, the residual amount measured before sowing in the second year is 20-80%
In the current production process, the residual biodegradable plastic film is buried, incinerated, or left untreated. It is labor-intensive and time-consuming to bury, and incineration pollutes the air

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0036] Example 1

[0037] The method steps of treating cotton field straw and residual biodegradable plastic film of the present invention are as follows:

[0038] 1. Before the cotton field is turned in autumn, mechanically crush the straw and collect it together with the residual biodegradable plastic film on the surface. The straw should not be too long, and should be less than 10cm.

[0039] 2. Stacking location: stack the broken straw and residual biodegradable plastic film on the ground, and keep a safe distance that will not affect the autumn and spring planting of cotton fields;

[0040] 3. Time for composting: start composting on May 25 of the following year;

[0041] 4. Mix the cotton field straw and residual biodegradable plastic film accumulated in the previous year with the waste bacteria bag slag and manure in a weight ratio of 5:3:1, and then 1 ton of material and 1.6 kg of bacterial agent can be mixed and fermented. Source of biological bacteria: Jinbao stra...

Example Embodiment

[0048] Example 2

[0049] The method steps of treating cotton field straw and residual biodegradable plastic film of the present invention are as follows:

[0050]1. Before the cotton field is turned in autumn, mechanically crush the straw and collect it together with the residual biodegradable plastic film on the surface. The straw should not be too long, and should be less than 10cm.

[0051] 2. Stacking location: stack the broken straw and residual biodegradable plastic film on the ground, and keep a safe distance that will not affect the autumn and spring planting of cotton fields;

[0052] 3. Time of composting: start composting on June 20 of the following year;

[0053] 4. Mix the cotton straw and residual biodegradable plastic film accumulated in the previous year with sawdust and manure according to the weight ratio of 5:2.7:1, and then 1 ton of material and 1.4 kg of bacterial agent can be mixed and fermented. Source of biological bacteria: Jinbao straw starter pr...

Example Embodiment

[0060] Example 3

[0061] The method steps of treating cotton field straw and residual biodegradable plastic film of the present invention are as follows:

[0062] 1. Before the cotton field is turned in autumn, mechanically crush the straw and collect it together with the residual biodegradable plastic film on the surface. The straw should not be too long, and should be less than 10cm.

[0063] 2. Stacking location: stack the broken straw and residual biodegradable plastic film on the ground, and keep a safe distance that will not affect the autumn and spring planting of cotton fields;

[0064] 3. Time of composting: start composting on July 10 of the following year;

[0065] 4. Mix the cotton stalks and residual biodegradable plastic film accumulated in the previous year with sawdust and manure in a weight ratio of 5:3:1, and then 1 ton of materials and 1.5 kg of inoculum can be mixed and fermented. Source of biological bacteria: Jinbao straw starter produced by Beijing ...

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PUM

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Abstract

The invention provides a method for treating cotton field straw and residual biodegradable mulch films.The method comprises the following steps that before autumn ploughing of a cotton field, the straw and the surface residual biodegradable mulch films are collected, and the smashed straw and the residual biodegradable mulch films are loosely stacked together and are not treated any more in the current year; composting treatment is carried out and completed from 25th May to 10th September of the next year, the cotton field straw and residual biodegradable mulch films stacked in the last year are evenly mixed with waste fungus bag residues or saw dust and animal manure in proportion, and a proper number of biological bacteria are mixed; stack turning and humidification are carried out, and fermentation is started when water content in the materials reaches the level that water stains are left on the hand and no water drop is pinched out when the materials are pinched by hand; the water content is controlled, stack turning is carried out in time, and the humidity of the material stack is controlled; the materials are covered when it rains in the composting process, and composting is completed in 40-60 days.According to the method, bacteria and pests of the straw can be killed, and increase of the cardinal number of cotton field bacterium sources and the population cardinal number of pests is effectively restrained, so that the straw is returned to the field safely and effectively, and meanwhile all the residual biodegradable mulch films are degraded.

Description

technical field [0001] The invention relates to a method for treating cotton field straw and residual biodegradable plastic film. Background technique [0002] In Xinjiang, biodegradable mulches with a longer functional period can meet the needs of cotton during the growth period. For biodegradable mulch that is completely degraded and has a long functional period, the residual amount measured before sowing in the second year is 20-80%. In the current production process, the residual biodegradable plastic film is buried, incinerated, or left untreated. It is labor-intensive and time-consuming to bury, and incineration causes air pollution. If it is directly dumped into the ground without treatment, it will affect the growth of subsequent crops and affect mechanical farming operations. . [0003] Cotton is the main crop in Xinjiang. Due to the large area, it is difficult to turn over stubble. Therefore, the continuous cropping time is very long. Most plots have been continu...

Claims

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Application Information

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IPC IPC(8): C05G3/00C05F17/00
CPCC05F5/00C05F9/04C05F17/00C05G3/00C05F11/00C05F11/08Y02W30/40
Inventor 吕军严昌荣何文清刘勤曹肆林刘晓伟李志强田玲枝李君冯国礼雷江荣赵建军艾尼江高志建胡华兵赵图强戚亮马炜堰刘洪亮汤晓红张新国侯扶琴李梅珍程城
Owner 石河子农业科学研究院
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