In experimental zone of Aksy area in the south of Xinjiang,When the suitable irrigation quantity was between 6 000-6 200 m~3/hm~2,cotton buds and bolls abscission rate reached the least level.

• 在南疆阿克苏地区灌溉量6 000~6 200 m3/hm2蕾铃脱落率最小。