江苏建湖县地处苏中里下河中北部 ,小麦常年种植面积在 3.3万 hm2左右。 80年代后期 ,稻田套播麦 ,因其工序简单 ,操作方便 ,得到广泛应用 ,但产量低而不稳。进入 90年代 ,随着中晚粳稻和水稻旱育稀植新技术应用面积的扩大 ,稻茬种麦偏晚的矛盾日趋突出 ,尤其是半冬性小麦难以? Jianhu County, Jiangsu Province is located in the middle and lower reaches of the middle of the river, the annual planting area of ​​wheat is about 33,000 hm2. In the late 1980s, paddy rice was planted over rice fields due to its simple process and convenient operation. However, its yield was low and unstable. Into the 90’s, with the mid-late Japonica rice and rice dry and sparse planting new technology to expand the application area, the late conflict of rice stubble growing increasingly prominent, especially in semi-winter wheat is difficult?