1．肥床旱育壮苗选择背风向阳、肥沃疏松、靠近水源、通气性好的菜地或旱地作苗床，不宜选用水稻田作苗床。对长期培肥专用苗床，要求苗床上象“海绵”一样，遇水不板结，干旱不开裂。根据不同茬口确定苗床面积，严格按水稻旱育秧操作规程实施，培育出符合标准的矮壮秧。因地制宜 1. Fertile bed dry nursery seedling selection leeward sunny, fertile loose, close to the water, good ventilation of vegetable or dry land for seedbed, paddy field should not be used for selection of seedbed. Special seedbed for long-term fertilizers, seedbed on the bed like “sponge”, as the water does not form a knot, the drought is not cracking. Determine the seedbed area according to different stubble, in strict accordance with the rules of rice dry nursery seedlings, nurturing out the standard strong sturdy seedlings. According to local conditions