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棉花高产栽培的关键之一是搞好棉田的管理，根据棉花的生育特点和产量构成，生产中常以“三促三控争三桃”的模式管理棉田。即促壮苗早发，控制营期疯长，争带桃入伏；促花铃期旺．控过早封行，争伏桃满腰；促早熟，控早衰，争秋桃盖顶。1．苗期管理在确保全苗的基础上，促进根
One of the keys to cotton high yield cultivation is to improve the management of cotton fields. According to the characteristics of cotton’s reproduction and output, cotton production is often managed by the mode of “three promotions, three controls and three peaches”. That is, to promote strong seedlings early hair, long-term control of the camp, fight with the peach into the vowel; Premature closure of the letter control, striving to peach waist; and promote premature aging, premature aging, autumn Qiding roof. 1. Seedling management to ensure that the whole seedling based on the promotion of roots