棉花现蕾开花以后,开始进入营养生长和生殖生长两旺时期,需要肥水逐渐增多,及时供应肥水,才能促进蕾期的生长,使棉花在花铃期生长发育旺盛,制造和积累较多的养分,早结铃,多结铃,结大铃。当家肥一般在六月下旬到七月上旬,单株现蕾3～4个时施用。每亩猪塮20～25担,或饼肥80斤。 Cotton buds flowering began to grow into vegetative and reproductive growth period, the need for water increased gradually, timely supply of fertilizer in order to promote bud growth, so that cotton grows vigorously in the flowering period, creating and accumulating more nutrients , Early bell, more bell, knot bell. When the fertilizer is generally late in June to early July, when the plant buds 3 to 4 hours of application. 20 ~ 25 mu per mu of pigs, or 80 pounds of cake fat.