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1.及时施肥。还没开花的棉田应适当补施蕾肥,结合中耕培土进行沟施。进入开花期的棉田,要早施、重施花铃肥,每亩施尿素20千克、氯化钾15~20千克,施肥量较多时可分2次(初花期和花铃盛期)施用。盖顶肥南方一般在8月上旬施,北方在7月底8月初
1. Timely fertilization. Not yet flowering cotton fields should be properly applied to buds, combined with cultivation of soil for cultivation. Into the flowering cotton fields, to early Shi, heavy Hua Ling fertilizer, 20 kg of urea per acre, potassium chloride 15 to 20 kg, fertilizer can be divided into 2 times (early flowering and Hua Sheng) application. Covering the South fertilizer generally applied in early August, the north at the end of July early August