How to manage cotton in the later stage?

How to manage cotton in the later stage? Please introduce the method of cotton planting in the later stage can refer to the following methods for management: first, strengthen field management. One is the cotton field with luxuriant leaves and shade, which can remove the old leaves and empty branches in the lower part of the main stem. The second is to erase the superfluous buds in time. Third, hit the group tip, generally knock off the group tip of the lower, middle and upper fruit branches. Second, prevent premature senility. Late management should be mainly to prevent premature senility, mainly through foliar fertilizer spraying to meet the nutrient needs of cotton (18645, 75.00,0.40%). The mixture of 1.2% urea + 0.3% potassium dihydrogen phosphate + 0.2% zinc sulfate + 0.1% Mel 0.2% boric acid should be sprayed. Spray every 7-10 days. Third, artificial chemical ripening. At the end of September and early October, choose a sunny day, use 40% ethephon 150-200 ml per mu, spray 50 kg of water to promote precocity. Fourth, timely harvest. It is best to pick up the cracked bolls for about 7 days, the peaches that are not completely cracked and ripe are not harvested, and those with dew on the cotton lint are not harvested. Click to get more cotton planting technology click to get more food crop planting technology