1田块的选择 超高茬麦套稻是新颖的耕作栽培方式,显著不同于其他简易稻作:散播于灌浆期的麦田地表;幼苗期与麦子共生旱长;收获留30cm以上高茬自然竖立田间;彻底免耕;保留着麦茬田块自然状态及其一套沟系。这些特殊性必然带来一系列矛盾:麦田后期降渍与水稻出芽立苗生长需水的矛盾;常用化除药 1 field selection Super high stubble wheat is a new type of tillage cultivation, significantly different from other simple rice: spread in the filling of the wheat field surface; seedling and wheat symbiotic drought; harvest stay more than 30cm tall stubble natural Field; completely no-tillage; retain the natural state of wheat stubble field and a set of trenches. These particularities will inevitably bring about a series of contradictions: the contradiction between the late fall of wheat field and the water requirement for seedling growth of rice sprouting;