The latest course of techniques and methods for Prevention and Control of Rice blast in Rice planting
Rice blast is mainly divided into leaf blast and panicle and neck blast, is one of the important rice diseases, can cause a substantial reduction in yield, serious yield reduction of 40% to 50%, or even no grain harvest.
Prevention and control of leaf rice blast
Spray 60 kg of water with 20% tricyclazole wettable powder 100 g / m mu, or 75% tricyclazole wettable powder 25 g / m mu, or thiocyclazole 150 g-200 g / m mu, once every 5 min for 7 days, even twice.
Prevention and control of panicle and neck rice blast
The critical period is the break period, choose 75% tricyclazole wettable powder 30 g / M mu or 40% Fuji No. 1 EC 150 ml / M mu, or 21.2% plus 100 g per mu of heat, spray 60 kg of water, once every 5 colors for 7 days, even twice.
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The latest course on weeding techniques and methods of hard grass in wheat planting
Hard grass is a species of Gramineae hard grass, which is an annual or perennial Gramineae plant. The seeds propagate. The suitable emergence depth of seeds in the soil is 0.12-2.4cm, which is difficult to emerge when the depth exceeds 2.4cm, and the tillering ability is strong. There are about 6 tillers per plant and twins.
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A course on the latest techniques and methods of Pest Control in Maize sowing date and Seedling stage
The seed treatment of maize before sowing can improve the germination rate of seeds, promote the growth of seedlings, kill the germs on the seed coat, reduce the harm of diseases and insect pests, and promote the whole seedling, seedling stage and seedling strength. The methods of seed treatment are as follows: 1. Seed drying: will be selected.
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