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Green manure for preventing and controlling crop soil insects and preparation method of green manure

A technology for subterranean pests and crops, applied in the field of crop pest control, can solve the problems of increased resistance of subterranean pests, soil environmental pollution, loss and barrenness, etc., and achieve the effects of strong resistance to pests and diseases, improved soil environment, and increased soil organic matter

Inactive Publication Date: 2015-01-28
北海市农业科学研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the prevention and control methods of underground pests in the background technology, the chemical control pesticides phoxim, chlorpyrifos and other chemical pesticides are mainly used in soil application. Due to the long-term single application, the resistance of underground pests is enhanced, and the soil environment is also polluted. , soil compaction, loss and barrenness and other problems, the invention provides a green manure for preventing and controlling underground pests of crops and its preparation method to ensure crop yield increase, be green and environmentally friendly, and not pollute the soil environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Step 1: Take 10 kg of fresh neem leaves and chop or mix them to 2 cm, 100 kg of milk vetch, and 30 kg of tea bran, chop or mix them into pieces.

[0028] Step 2: Add tea bran to milk vetch and stir evenly, add neem leaves in the environment of phosphorus fumigation, phosphorus fumigation for 15 minutes, and stir with a blender for 30 minutes;

[0029] Step 3: Make a ditch, open a well-shaped ditch, spread a layer of 15cm straw on top, place the material obtained in step 2 on the bedding, and spray lime and water to make the water content of the retting material reach 80% %, the height of the heap should be controlled at 1.2 meters, and the heap should be sealed with thin mud in time after the heap is completed. In the first 5 days, the first fermentation was carried out, the temperature was controlled at 70°C, and the compost was turned twice in the middle of one day. The pile should be turned over in time to cool down, and when the pile is re-stacked after turning ove...

Embodiment 2

[0032] Step 1: Take 20 kg of fresh neem fruit, 300 kg of milk vetch, 50 kg of tea bran, chop or mix, then mix the stirred mixed raw materials with 20 kg of burned firecracker paper, stack and ferment for 20 days, Decomposed can be applied.

[0033] The second step: in the early stage of crop growth, the green manure mixed with base fertilizer of the present invention is applied at the roots of the crops, and the consumption is 300-500kg / mu. Before the green manure is used, it is best to prepare the ground and bask in the ground for 5 days, and apply it before 10 days before the agricultural transplanting, and finally The yield of the planted crops is increased by 5%, the damage rate of underground pests is 32%, and the phenomenon of soil compaction does not appear.

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Abstract

The invention relates to the field of control of crop plant diseases and insect pests and in particular relates to a green manure for preventing and controlling crop soil insects and a preparation method of the green manure. The green manure comprises 1-2 parts of deciduous tree (bead tree bark, fruits and leaves), 10-30 parts of astragalus sinicus, 3-5 parts of tea bran and 1-2 parts of firecrackers paper. The green manure prepared from the raw materials by the method provided by the invention is good in insect pest killing effect, high in quality, friendly to the environment and high in fertilizer efficiency and is capable of improving the soil environment and preventing soil hardening.

Description

technical field [0001] The invention relates to the field of crop disease and insect pest control, in particular to a green manure for preventing and controlling underground pests of crops and a preparation method thereof. Background technique [0002] In recent years, due to the high temperature in spring and autumn in tropical monsoon climate areas, the damage of underground pests to crops has become increasingly serious and difficult to control. [0003] Underground pests are easy to occur in spring and there are many types. There are more than 10 types such as mole crickets, grubs, needleworms, cutworms, and root maggots. They occur in spring and autumn and damage the seeds, underground parts, roots, stems and leaves of crops. After being damaged, the light ones will wilt, grow slowly, and the heavy ones will wither and die, resulting in lack of seedlings and broken ridges, resulting in reduced crop production. Because underground pests cause damage by larvae, both adul...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C05F15/00C05F17/00C05G3/00
CPCC05F5/002C05G3/60C05F11/00C05F17/00Y02W30/40
Inventor 杨忠伟戴洪涛赵秀河
Owner 北海市农业科学研究所
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