小麦从播种出苗到越冬开始(日平均气温降到2℃以下)叫冬前期。适期播种的冬小麦一般经历50～60天冬前期,这一时期管理目标是:确保全苗、促根增蘖、培育壮苗,为小麦安全越冬奠定基础。主要管理技术如下。1.查苗补种小麦出苗后要及时查苗,对缺苗断垄的麦田要及早补种,坚决杜绝10 Wheat from sowing to sowing overwintering (average daily temperature dropped below 2 ℃) is called the winter pre-winter. Winter wheat sowing season generally experienced 50 to 60 days of early winter, the management objectives of this period is to ensure that the whole seedlings, promote tillering, nurturing strong seedlings, lay the foundation for the safe winter wheat. The main management techniques are as follows. 1. Check seedling replanting wheat should be promptly check the emergence of seedlings, the lack of seedlings off the ridge to wheat replanting, and resolutely put an end to 10