In recent days, overcast rains have continued in various parts of the country, and some weeds in cotton fields have grown mad. Farmers must take timely measures to rescue cotton seedlings. The specific method is as follows:
First, strengthen the management of cotton fields Strengthen the management of the ditch in the cotton field, reduce the groundwater level, filter water as soon as possible. In the cotton broadening line, mechanical cultivators and weeds were used to pick up the clear and combine with topdressing. Artificial robberies between weeds.
Second, chemical weeding
1. For cotton fields dominated by grass weeds, it can be controlled by using chlorfenapyr (rabbitrin) and high-efficiency herbicide (pyrofluoropyridinium). When the soil moisture content is insufficient, it is necessary to appropriately increase the dosage per acre.
2. For cotton fields mainly composed of broad-leaved weeds, 24% Kekuile ​​(milfloxacin) EC can be used, 30-40 kg of water per mu, 30 kg of water, spraying at the period of 2 to 4 leaves of vicious weeds. . If broad-leaved weeds are mixed with grass weeds, 24% Kekuile ​​Emulsifiable Oil 30 ml and 10.8% high-efficient gaisengerg EC can be used per mu, and 30 kg of water can be sprayed.
3. If weeding with glyphosate, in order to prevent burns and cotton seedlings, we must pay special attention to several points. One must spray on cotton in wide line, and the other must spray on weeds. Third, add protective cover on spray head to prevent drug. Liquid splashed on cotton seedlings.
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