第一章总则晚稻育秧采用旱育技术,一是有利于抢上季节,确保晚稻及时播种,二是节省秧田,节省用水,田间作业方便,三是可减轻稻瘿蚊的危害。晚稻育秧时正值高温多雨时节,虽然没有发生立枯病的危险,但是土壤中的水分多时容易徒长,降低秧苗素质,应经常在土壤水分不足的状态下育秧,施用多效唑,培育矮壮 Chapter I General Rice nursery seedlings using late-spring techniques, one is conducive to grab the season, to ensure timely sowing of late rice, and second, save seedling, water conservation, easy field operations, the third is to reduce the harm of rice gall midge mosquito. Late rice seedling at a time when the high temperature and rainy season, although no risk of blight, but the soil moisture tends to be leg up and reduce the quality of seedlings should always be in the state of insufficient soil moisture seedlings, the application of paclobutrazol to cultivate sturdy