For cotton growers, cotton field herbicides are one of the must-have products. The application of cotton field herbicides frees a large amount of labor from heavy weeding work and increases productivity. However, the current chemical weeding technology in cotton fields is still not perfect. This article summarizes the cotton herb field herbicides, how to use cotton field herbicides to summarize and introduce to everyone.
What are the cotton field herbicides?
1. Refined flurazepam, the trade name is refined to kill 15 emulsifiable concentrates.
2. Dextrofluridine, the trade name of high-efficiency grass can be 10.8 emulsifiable concentrate.
3 fine quizalofop, the trade name Jinghecao grams, 5oA EC.
4 thiazolidin, the trade name Weiba, Hummer.
How to use cotton field herbicide
1. Spray the herbicide onto the surface of the soil or pour it into the soil to prevent weeds. It is generally used to control the weeds, sprouts and roots of weeds.
2. Before the sowing, the soil is treated well. Before the sowing, the soil is well prepared. Each hectare is used with 48ml of Fluorin EC at 1875~2250mI, and water is 750kg. The soil surface is evenly sprayed, and then the soil is 2~3ClTt thick. After mixing, the soil can be sown. Fluoride vapor pressure is high, used in cotton film mulching, the amount per hectare does not exceed 1500mL. Fluorine is volatile, photolysis, must be mixed within 6 hours after application.
3. Soil treatment after sowing and before seedlings. After sowing of cotton in North China, 48 ml of alachlor was sprayed per hectare and soil treatment before seedlings. (1) Alachlor. After planting cotton in North China, 48 alachlor emulsifiable concentrate per hectare is sprayed 3750~4500mI. Covered cotton is sprayed with 48 alachlor EC 2250~3000mL per hectare. 48% alachlor EC is sprayed per hectare in the Yangtze River Basin and South China. ~3750mL.
Note: The water solubility of alachlor is poor. If there is no irrigation condition in the dry weather, the pre-sowing mixed soil method should be used. Alachlor is not effective against unearthed leather, and should be sprayed when the weed seeds are germinated at the peak and not unearthed.
What are the cotton field herbicides? How to use the cotton field herbicides to introduce them here today. I hope that the small series of articles can help everyone.
More pesticide knowledge, please pay attention to China Pesticide Network
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