“麦倒一把草”,小麦常因倒伏而导致严重减产。小麦倒伏多发生在后期,若灌浆期倒伏一般可减产2成左右,抽穗前后倒伏减产4～5成。因此,对一些群体偏大,麦苗旺长,具有倒伏征兆的麦田,应酌情采取措施,提前预防。 1 深耕断根 于小麦起身前深耕8～10cm,在一定程度上伤根断根,既能促进根 “Mai inverted grass,” wheat often loses lead to serious cuts. Lost in wheat occur in the late, if the filling stage of lodging can generally reduce about 2 percent, yield lodging before and after heading 4 to 5 percent. Therefore, for some large groups, wheat seedlings flourishing, wheat fields with signs of lodging, should take appropriate measures to prevent in advance. A deep tillage rooted in the wheat before plowing 8 ~ 10cm, to a certain extent, root injury, both to promote root