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棉花盛花期是棉花一生中生殖生长转旺的时期,叶面积通常在8月上旬达到最大值,此时棉田中下部通风透光不良,开始进入蕾铃脱落的高峰期,因而,保伏桃,防脱落是此期管理的中心。 一、补肥。结铃偏多的棉田,为了满足对养分的需求,提高铃重,通常要施盖顶肥。但重施了花铃肥的棉田,一般不再施盖顶肥。施盖顶肥的时间为8月初,不能晚于8月10日。用量不宜太大,亩用
Cotton flowering period is the period of reproductive growth of cotton in the flourishing period, the leaf area usually reached its maximum in early August, when the lower part of cotton field ventilation and poor light, began to fall into the peak of buds, therefore, Anti-shedding is the management of this period. First, make up. Too much cotton bolls, in order to meet the needs of nutrients, increasing boll weight, usually top-dressing facilities. However, re-applied cotton boll fertilizer, generally no longer top-cover fertilizer. Shi top fertilizer time for early August, not later than August 10. Amount should not be too large, mu