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俗话说:“麦倒一把草,谷倒一把糠”。小麦倒伏后,其光合作用受到严重影响,养分、水分运输受阻,对产量影响很大,一般减产10-25%。小麦倒伏往往发生在拔节之后,而预防倒伏则需从种麦基础着手。一、小麦倒伏的类型1、根倒伏。由于根系发育不足,根少根弱,入土较浅,头重脚轻,一遇风雨,连根拔起,引起倒伏。造成根系发育不良的原因是多方面的,如耕层过浅,整地粗糙,土壤缺磷等。2、茎倒伏。由于茎秆基部节间机械组织发
As the saying goes: “Mai down a grass, valley down a bran ”. After lodging of wheat, its photosynthesis is severely affected, nutrients, moisture transport blocked, a great impact on the yield, the general reduction of 10-25%. The lodging of wheat often occurs after the jointing, and the precautionary lodging needs to be started with the seed of wheat. First, the type of lodging of wheat 1, root lodging. Due to lack of root development, root less root weak, shallow soil, top-heavy, a storm, uprooted, causing lodging. Root causes of malnutrition is due to many reasons, such as shallow plow, coarse soil preparation, soil phosphorus deficiency and so on. 2, stem lodging. As the stem of the basal internode mechanical hair