一、播种时间播种时间对玉米稳产增收起着关键性作用,早播种,延长玉米生育期,促进玉米早生根,迟长苗,有利于壮苗。二、移栽时间3叶1心时期是玉米苗移栽最佳时间,要把握好移栽时间。过早,玉米苗太小,过晚,玉米苗成了高脚苗;移栽太早太 First, the sowing time sowing time on the steady increase in yield of corn plays a key role, early sowing, to extend the growth period of corn, promote early corn roots, late seedlings, is conducive to strong seedlings. Second, the transplanting time 3 leaves 1 heart period is the best time for transplanting corn seedlings, we must grasp the transplanting time. Premature, corn seedling is too small, too late, corn seedlings have become tall seedlings; Transplant too early