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缩节胺作为一种植物生长调节剂在棉花种植上已使用多年 ,但在生产实践中 ,仍有为数不少农户甚至技术员不能正确使用它 ,下面简要叙述其使用要点 :１、缩节胺在喷施３～５天后 ,主茎的日生长量开始下降 ,喷施后１０～１５天是药效发挥作用最大的时期 ,２０～２５天后其药效就很
As a plant growth regulator polyamines have been used in cotton cultivation for many years, but in practice, there are still a large number of farmers and even technicians can not use it properly, the following briefly describes the use of key points: 1, Spraying 3 to 5 days, the main stem of the daily growth began to decline, 10 to 15 days after spraying is the most effective period of efficacy, 20 to 25 days after its efficacy is very