地膜覆盖棉花,一般可比不覆膜棉花生育提早10天左右。进入盛蕾期,棉株营养生长和生殖生长并进。棉花从现蕾到开花结铃,既是生长发育最旺盛时期,也是决定棉花产量的关键时期。因此,要根据天气变化、地力好坏和苗情长势采取相应的管理措施,促进棉花协调生育,确保覆膜棉花优质高产。一、科学整枝是中心 Film mulching cotton, generally than non-coated cotton growth of about 10 days earlier. Into Sheng Lei period, cotton plant growth and reproductive growth go hand in hand. Cotton from the bud to flowering bell, both the most vigorous growth and development, but also determine the key period of cotton production. Therefore, according to the weather changes, the quality of land and the growth of the situation to take appropriate management measures to promote coordinated cotton growth, to ensure high-quality cotton laminates with high yield. First, the science of pruning is the center