浙江吴兴县稻田养萍在1962年由县良种繁育场试验,早稻、单季晚稻放养0.71亩,增产6.1—19.1%,1963年发展到6个生产队多点试验,养萍面积23.45亩,增产达7—34.47%,1964年即迅速地发展到1,227个生产队,养萍面积达11,046.7亩。且由平原发展到山区,由土壤肥力高的青紫泥发展到土壤肥力低的白土、黄筋泥、由早稻、单季 Zhejiang Wuxing rice paddy in 1962 by the county seed breeding field trials, early rice, single-season late rice stocking 0.71 acres, an increase of 6.1-1.19%, 1963 to the development of more than 6 production team test, the area of ​​23.45 acres of nourishing, yield Reaching 7 - 34.47%. In 1964, it rapidly expanded to 1,227 production teams with an area of ​​11,046.7 mu. And from the plains to the mountains, from the high soil fertility of purple to the development of soil fertility low clay, yellow tendon mud, from the early rice, single season