棉花从开花到开始吐絮称花铃期,在我省约50天左右。花铃期是决定棉花产量高低的关键时期,而且此期需肥量大,一般占总追肥的50％左右。棉农不能因肥料价格高而不施花铃肥,就会因小失大,导致蕾铃脱落、结桃少而减产。施好花铃肥,要注意三点: 1.地瘦、肥料不足、棉花长势差的棉地,花铃肥宜 Cotton flowering from the beginning until the blooming flowering period, about 50 days in our province. Flower boll stage is the key period that determines the level of cotton production, and the need for large amount of fertilizer in this period, generally accounting for about 50% of the total topdressing. Farmers can not because of fertilizer prices high and not Hua Ling fertilizer, it will be due to small loss, leading to falling off the bell, the peach less yield. Shihlin flower fertilizer, pay attention to three points: 1. To lean, inadequate fertilizers, poor cotton growing cotton, flower bell fertilizer should