一、小麦春季管理技术 开春后随着气温回升,小麦由返青、分蘖到拔节、孕穗、抽穗、灌浆乃至成熟,是小麦的生长旺盛时期,也是夺取高产的关键时期。小麦春季管理的主攻方向是促蘖、成穗和增加粒重。其主要技术有: 1.中耕增温 影响麦苗早春生长发育的主要因素是气温和水分,开春解冻后立即中耕。对旺苗可适当深中耕,切 First, the wheat spring management techniques As spring temperatures rise, the wheat from the green, tillering to jointing, booting, heading, filling and even the maturity of wheat is the period of vigorous growth of wheat, but also to capture a critical period of high yield. Wheat spring management is the main direction of tillering, spike and increase grain weight. The main techniques are: 1. Cultivation warming wheat seedlings in early spring growth and development of the main factors is the temperature and moisture, open spring thawing immediately after cultivation. Wang seedlings may be appropriate for deep plowing, cutting