近几年来，我市稻作一般以单季晚稻为主，腾茬种麦时间推迟，迫使小麦晚播晚苗，这已成为三麦生产中的一个制约因子。自全面推广免少耕套条播种麦技术以来，虽能解决了晚播晚苗的问题，但碳按用作基肥又成了一大难题，三麦虽有早苗，却难形成壮苗，改使麦苗冬前蔡少费小，分率 In recent years, rice in our city is generally dominated by single-season late rice, stubble crop wheat delayed, forcing late-sowing wheat late seedlings, which has become a constraint in the production of three wheat. Since the comprehensive promotion of less tillage planted sowing wheat technology, although it can solve the problem of late sowing late seedlings, but by carbon as a base fertilizer has become a major problem, although the three wheat seedling Sanming, it is difficult to form a strong seedlings, change Make wheat seedlings less expensive before winter Cai, fractional