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1 重施花铃肥 ,补施盖顶肥花铃期是棉株营养生长和生殖生长最旺盛期 ,需要养分最多 ,重施花铃肥 ,满足棉株生育需要 ,是减少蕾铃脱落的关键。当棉株下部结 1～ 2个桃时 ,亩追尿素 1 2 .5～ 1 5ｋｇ ;8月上旬有早衰趋势的棉田 ,亩施尿素 5ｋｇ。施肥方法 ,采用条 (穴 )施 ,在距
1 re-applied flower boll fertilizer, topdressing top-flowering bolls cotton boll stage is the most vegetative and reproductive growth of the most vigorous, most of the nutrients needed, re-Huaping fertilizer to meet the reproductive needs of cotton plants is to reduce the key to the fall off. When the cotton plant under the knot 1 or 2 peaches, acres of urea recovery 12.5 ~ 15kg; early August tended to decline in the cotton fields, acres of urea 5kg. Fertilization methods, the use of (points) facilities, in the distance