Matters needing attention in irrigation technology of cotton field

Cotton should be irrigated for 3 times during the whole growth period, and irrigation should adhere to the principle that the first water is late, the second water is late, and the three water is full. Head water is carried out at noon when the symptoms of water shortage in cotton leaves are obvious, and it is best to wait until 10% of the plants in the cotton field see peaches. Generally speaking, the best water intake period is from late June to early July. The watering of Wangchang field was postponed to 2 hours of boll setting per plant. Strengthen water control to prevent prosperous growth, the amount of water in the irrigation head should be small, and the amount of irrigation water should be 50 muri 60 cubic meters per mu. The interval between one water and two water is 8 Murray 10 days, and the interval between two water and three water is 10 Murray 15 days, with the degree that there are no cracks on the ground, the amount of irrigation is 70 Mel 80 cubic meters / mu. Four water to look at the sky, look at the earth, look at cotton, flexible control, the suspension time of August 10 or so, no later than August 20.