费县地处山东省鲁东南部，历年种植水稻８万多亩，每年需用７５００亩的粮田和菜园作秧田，而且连年重茬，病害重，难以育成壮秧。利用丰富的沙滩资源育秧，一是解决了秧田与大田争地的矛盾；二是减轻了水稻旱育秧黄化死苗这个十分棘手的难题，沙滩通透性好，pH在６以下，限制? Fei County is located in the southeastern Shandong Ludong, over the years planted more than 80000 acres of rice, 7500 acres of grain and vegetable gardens need to be used for seedlings every year, but successive years of continuous cropping, heavy disease, difficult to breed strong seedlings. The use of abundant resources of beach seedling, one is to solve the conflict between seedling and field competition; the second is to reduce the dry seedlings of rice nursery seedlings this very difficult problem, the beach permeability is good, pH below 6, the limit?