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冬小麦是陇东地区的主要粮食作物，其产量高低直接影响到该区粮食的总产。试验与示范结果表明，地膜冬小麦栽培技术可以大幅度提高冬小麦产量，并在干旱年份有极显著的稳产作用。为使地膜冬小麦栽培技术获得更大的社会经济效益，我们对其在适期播种时的最适播量进行了初步...
Winter wheat is the main grain crop in Longdong area. The output of winter wheat directly affects the total output of grain in this area. The experimental and demonstration results show that the cultivation of winter wheat by plastic film can significantly increase the yield of winter wheat and have a very significant stable yield in drought years. In order to make the cultivation of winter wheat cultivation technology to achieve greater social and economic benefits, we planted the right time for its sowing the optimum amount of preliminary ...