自2010年入冬以来,鲁西南地区降水稀少,目前平均降水量仅不到5mm,整个冬季寒冷干旱,最低气温达-10℃,造成小麦根系发育差,次生根少,主茎叶片少,分蘖少,长势弱。除抗旱保苗是今年春季管理的重点外,病虫草害防治也是春季麦田管理的 Since the beginning of winter in 2010, the precipitation in the southwestern part of China is sparse, and the average precipitation is only less than 5 mm at present. The whole winter is cold and dry with the lowest temperature reaching -10 ℃, resulting in poor root development, less secondary roots, fewer main stem leaves, Less tiller, growing weak. In addition to drought prevention and seedling is the spring of this year’s focus of management, pest control is wheat spring field management