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合理应用植物激素对棉花进行化学调控,可以协调棉花的生长发育,达到产量高、品质优、成熟早、效益好的目的。育壮苗在营养钵育苗的实践中,因苗床肥水条件好、密度大和苗床培管时间过长等原因,往往形成高秆苗和弱苗。使用壮苗素能收到显著的壮苗效果,方法是:在棉花幼苗子叶平展至分心时,选择晴天中午用250倍的壮苗素溶液均匀喷洒棉苗1次。待药液稍干后再覆膜保
Appropriate application of plant hormones on cotton chemical regulation, cotton growth and development can be coordinated to achieve high yield, good quality, early maturity, good efficiency purposes. Nursery seedlings in the practice of nutrition bowl nursery, because of seedbed fertilizer and water conditions are good, the density and seedbed bed for a long time and other reasons, often form tall stalk and weak stalk. The use of strong seedlings can receive significant strong seedling effect, the method is: in the cotyledons of cotton seedling spread to distraction, choose sunny noon with 250 times the strong seedlings spray evenly spraying cotton seedlings 1 time. After the liquid to be slightly dry before coating Paul