一、选择合适的茬口和品种1 .茬口选择　再生稻茬口愈早愈好 ,应选择冬闲田。但随着复种指数的提高 ,冬闲田面积逐渐减少 ,不能满足逐步扩大的再生稻生产的需要。因此 ,必须搭配一定比例的午季作物茬口。午季作物以油菜茬为宜 ,也可选用少量小麦茬 ,但必须早腾茬 ,早耕翻 ,确保 First, select the appropriate stubble and varieties 1 stubble selection of regenerative stubble stubble as early as possible, should choose the winter fallow field. However, with the improvement of multiple cropping index, the area of ​​winter fallow fields gradually decreased and could not meet the needs of gradually expanding ratooning rice production. Therefore, we must match a certain percentage of crop stubble in mid-season. Crops in mid-season to rape stubble is appropriate, but also can choose a small amount of wheat stubble, but must early stubble, early tillage, to ensure