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Method for treating corn straws by using two kinds of insects

A technology of corn stalks and insects, which is applied in animal husbandry and other fields, can solve the problem that the comprehensive utilization rate of straw is less than 50%, and achieve high-value conversion, low process energy consumption, and no secondary pollution

Active Publication Date: 2020-02-21
SHANDONG AGRICULTURAL UNIVERSITY
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AI Technical Summary

Problems solved by technology

At present, the comprehensive utilization rate of straw is less than 50%.

Method used

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  • Method for treating corn straws by using two kinds of insects

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Embodiment Construction

[0030] This embodiment comprises the following steps:

[0031] The first step: the fresh corn stalks are first physically crushed, and then transformed by the East Asian migratory locust

[0032] After the corn field is harvested, fresh corn stalks with a moisture content of 85% to 90% are collected. First use a shredding machine to crush the fresh corn stalks to 0.1-0.3 cm, and then directly feed them to migratory locusts from the 3rd instar to the mating stage. After 2 to 4 hours of feeding by the migratory locust, the fresh corn stalks will be transformed into the sand and biomass of the migratory locust.

[0033] The second step: material preparation and pre-wetting

[0034] After the adult migratory locusts in the 20m×4m×2m breeding shed were harvested, the sand of migratory locusts and the remaining corn stalk residue were collected; the dry corn stalks harvested in the corn field were crushed to 0.3-0.5 cm with a grinder. Mix according to the mass ratio of East Asian...

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Abstract

The invention relates to a method for treating corn straws by using two kinds of insects. The method is characterized by comprising the following steps: smashing fresh corn straws for feeding the locusta migratoria manilensis; crushing dry corn straws, mixing the crushed dry corn straws, locusta migratoria manilensis feces generated after feeding of the locusta migratoria manilensis and remainingcorn straw residues after feeding of the locusta migratoria manilensis, and laying the mixture; stacking and composting the laid mixture; turning the compost pile; carrying out soil preparation disinfection treatment on a protaetia brevitarsis culture shed to manufacture a culture purse net; inoculating protaetia brevitarsis larvae in a breeding shed; and harvesting adult of the locusta migratoriamanilensis and the aged larvae of the protaetia brevitarsis for breeding. The method has the beneficial effects that the corn straws can be completely transformed by utilizing the combination of thetwo kinds of environmental insects, the transformation period is short, the synergistic effect of the locusta migratoria manilensis and the protaetia brevitarsis is fully achieved, and high speed, high efficiency and high value transformation of the corn straws are guaranteed on the premise that auxiliary materials are not added, the process energy consumption is low, the transformation period isshort, and secondary pollution is avoided.

Description

[0001] (1) Technical field [0002] The invention belongs to the technical field of ecological cycle agriculture, and in particular relates to a method for treating corn stalks by using two kinds of insects. [0003] (2) Background technology [0004] Every year, more than 700 million tons of various straws are produced in my country's agricultural production, and there are about 350 million tons of corn straws. At present, there are mainly the following treatment technologies: 1. Straw returning to the field, direct returning to the field and indirect returning to the field by retting, belly returning, and circle returning are commonly used in rural areas, while high-temperature fertilization and anaerobic digestion The efficient and clean modern returning to the field is not mature enough, and there are many factors restricting its development; 2. Straw gasification; 3. Straw forming; 4. Straw biogas; 5. Straw processing feed. To sum up, my country's straw resource utilizati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01K67/033
CPCA01K67/033
Inventor 张大鹏刘远刘玉升印展薛新文李艳
Owner SHANDONG AGRICULTURAL UNIVERSITY
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