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Crop ecological cultivation method

A cultivation method and ecological technology, applied in grain cultivation, botany equipment and methods, plant protection, etc., can solve problems such as aggravation and high pressure on the safety of farmland ecosystems, so as to delay drug resistance, ease pest resistance problems, increase The effect of duration

Inactive Publication Date: 2019-11-12
JILIN ACAD OF AGRI SCI
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Problems solved by technology

With the development of large-scale corn planting mode, the degree of mechanization is getting higher and higher, and the return of straw to the field is becoming more and more popular. As a result, the incidence of corn pests and diseases is increasing year by year. Although chemical pesticides have alleviated the occurrence of diseases and insect pests, it has ensured food production. Safe, but environmental pressure, food safety pressure and farmland ecosystem security pressure are increasing, and there is an urgent need to strengthen ecological prevention and control

Method used

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Embodiment 1

[0058] 1. According to figure 1 Schematic diagram for sowing. The test site is 170 meters wide and the ridge is 100 meters long. Sufficient compound slow-release fertilizer is applied, and corn is sown according to the conventional method. The red area is 3.3 meters wide, and 5 ridges are sown. Sensitive varieties: sweet colorful waxy corn; green The area is 52 meters wide and is sown with a regular hybrid: Jidan 209.

[0059] 2. When the corn grows to the trumpet-mouth stage, investigate the mosaic plant rate in the cultivation area of ​​the susceptible variety. The survey is conducted every 3 days, and the survey is carried out 4 times. Since the results of the mosaic survey on June 29 and July 2 have reached the corn Therefore, two sprays were applied on June 29 and July 2, of which Kangkuan only sprayed once on June 29, and Beauveria bassiana sprayed twice on June 29 and July 2. Second, (Kangkuan active ingredient 200mg / L, 5ml / mu; Beauveria bassiana 100 billion spores / g, ...

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Abstract

The invention relates to the technical field of crop cultivation and pest control, in particular to a crop ecological cultivation method, including a cultivation mode and pest control; the cultivationmode refers to planting susceptible variety of crop at the edge of a field block and planting the susceptible variety and conventional variety alternatively in the field; the pest control refers to taking prevention measures to trap and kill pests intensively in the area planted with the susceptible variety according to the prevention threshold of crop pests, while taking no prevention measures in the area planted with conventional variety. The cultivation mode realizes local concentration of pests in the field, and further realizes trapping and killing the pests by applying insecticide in the pest concentrated area, thereby effectively suppressing field population density of the pests, achieving the purpose of controlling pests with less insecticide, relieving the problem of pest resistance to insecticide and reducing Bt-resistant ostrinia nubilalis. The crop ecological cultivation method is an effective ecological prevention and control mode integrated with culture and plant protection.

Description

technical field [0001] The invention relates to the technical field of crop cultivation and pest control, in particular to an ecological cultivation method of crops. Background technique [0002] Corn is the largest food crop in my country and plays an important role in national production. With the development of large-scale corn planting mode, the degree of mechanization is getting higher and higher, and the return of straw to the field is becoming more and more popular. As a result, the incidence of corn pests and diseases is increasing year by year. Although chemical pesticides have alleviated the occurrence of diseases and insect pests, it has ensured food production. Safe, but environmental pressure, food safety pressure and farmland ecosystem security pressure are increasing, and there is an urgent need to strengthen ecological prevention and control. [0003] Corn borer is an important insect pest of corn. It has the characteristics of borer and is difficult to cont...

Claims

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Application Information

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IPC IPC(8): A01G22/20A01G13/00
CPCA01G13/00A01G22/20
Inventor 徐文静李启云栾天浩栾天宇张正坤隋丽赵宇杜茜栾丽王秋华
Owner JILIN ACAD OF AGRI SCI
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