Chemical topping method of cotton
A cotton and chemical technology, applied in the agricultural field, can solve the problems of inconsistent topping time, advance topping time, affecting the uniformity of cotton fields, etc., and achieve the effects of reducing manual labor intensity, simplifying cotton cultivation measures, and increasing the per capita cotton planting scale.
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[0022] The present invention will be described in detail below in conjunction with specific embodiments.
[0023] The specific operation is carried out according to the following steps:
[0024] a. Spray mepipebine 3-5 days before and after the initial flowering stage of cotton for basic chemical control, so that the cotton grows steadily and prevents the cotton from growing vigorously.
[0025] B, before and after the full flowering period of cotton (the cotton plant has 2-5 sets of fruit branches to bloom, and the number of fruit branches in a single plant is 8-11 sets) foliar spraying of chemical topping agent, the amount of chemical topping agent is 40-80ml per mu, mixed with water 15-30 kg; the spray should be higher than the cotton plant, spraying the chemical topping agent should not be sprayed with a hanging spray, but a top spray (flat spray), try to avoid watering the cotton field when spraying the chemical topping agent and within 3 days before and after;
[0026] ...
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