小麦﹃三苗﹄的分类管理加强小麦的“三苗”管理，促进其平衡生长，是夺取小麦高产的关键。其管理措施是：一、弱苗管理因土壤肥力和墒情不足所引起的弱苗，应加强管理，只要做到早管早促，先追肥后浇水，及时中耕松土，促进根系生长和分蘖发生，就能变弱苗为壮苗；因晚播... Wheat ﹃three seedlings 分 classification management Strengthen the wheat’s“ three seedlings ”management, to promote their balanced growth, is to win the key to high-yield wheat. The management measures are: First, the weak seedlings management due to soil fertility and lack of moisture caused by weak seedlings, should be strengthened management, as long as the early management of early to do so early after the top dressing, watering, timely cultivation of loose soil and promote root growth and tillering Occurs, weaker seedlings can be strong; due to late sowing ...