实施铁茬播种的夏玉米耐旱性好冀州市农机局耿宝辉１９９７年入夏以来，我国北方地区遭了百年不遇的严重干旱，秋季作物严重减产，然而，河北省冀州市实施铁茬播种的夏玉米比传统耕翻后再播种的夏玉米的产量明显提高。据调查表明，使用传统先浇后耕再播方式播种的夏玉米株... Since the summer of 1997, Geng Baohui, an agricultural bureau of Jizhou City, suffered severe drought which rarely happened in the past hundred years and a serious crop loss in autumn. However, the summer maize planted in Jizhou of Hebei Province was implemented The yield of summer maize was significantly higher than that of the traditional sowing and sowing. According to the survey shows that the use of the traditional first after the method of sowing and re-sowing summer corn ...