棉花从7月上旬进入开花期,到8月底、9月初吐絮这段时间为花铃期。花铃期是棉花生长发育最旺盛的时期,也是决定产量的关键时期。由于各地生产条件、棉田长相不一,气候条件又在千变万化之中,因此,棉花花铃期的管理应因地制宜,分类进行。一、施好花铃肥这一时期是棉花产量形成的关键时期,也是需水肥最多的时期,根系吸收水分、养分功能最强,但其生长已经减弱,棉株对温度、光照、水肥要求严格,容易引起棉株徒长或早衰。盛花后如 Cotton from the early July into the flowering period, to the end of August, early September flocculus this period of flowering period. Flowering period is the most vigorous cotton growth period, but also determine the key period of yield. Due to the various production conditions, the cotton fields have different appearances and the climatic conditions are constantly changing. Therefore, the management of cotton bolls should be conducted according to local conditions and classification. A good flower bell fertilizer This period is a critical period for the formation of cotton yield, water demand is the most water-rich period, the root absorb water, nutrient function of the strongest, but its growth has weakened, cotton plants on the temperature, light, water and fertilizer demanding , Easily lead to poor or premature aging cotton plant. After the flower