棉花花铃期管理技术花铃期是棉花一生中生长发育最旺盛的时期，也是营养生长与生殖生长最容易发生矛盾的时期。如管理不当，不是徒长，就是早衰。徒长则蕾铃大量脱落，早衰减少结铃，均影响产量。因此，花铃期的管理任务应当是，初花期适当控制营养生长，盛花期后要促进生... Cotton flower boll management technique Flower boll cycle is the most vigorous period of cotton growth and development, but also the most prone to vegetative and reproductive growth contradictions period. If mismanaged, not leggy, is premature. Prolonged leprosy a lot of off, premature senility to reduce the bell, all affect the yield. Therefore, the task of management of flowers and bolls should be the beginning of flowering proper control of vegetative growth, full bloom to promote students ...