有些地方的农民为促使玉米粒尽快早熟干浆,想早点收获贮青喂牛,便在玉米生长后期去梢催熟。其实这是很不科学的。因为雌穗以上的叶片生长机能旺盛,玉米灌浆成熟主要靠这些功能叶片.如果削顶过早过重,上部绿叶被砍掉,下部叶片枯黄,灌浆过程会被迫停止。另外,玉米生长后期茎秆还储存一 In some places, peasants try to dry corn kernels as early as possible and want to harvest the green cattle as early as possible. In fact, this is very unscientific. Because of the vigorous growth of the leaves above the ear, maize grain filling mainly rely on these functional leaves.If the top cut too early, the upper green leaves are cut off, the lower leaves yellow, filling process will be forced to stop. In addition, the late growth of corn stalks stored one