嘉善县位于杭嘉湖东北部,为水网平原地区,是国家商品粮生产重要基地之一,现有耕地45.8万亩,年上交国家定购粮7200万公斤。嘉善县为常规稻地区,全年种子需求量较大,1996年列为省统一供种试点县,全县三季作物推广良种226.48万公斤,良种覆盖率97.32%。统一供种率34.34%,比1995年增加9.21%。春粮大麦品种浙皮4号占种植总面积的51.4%,早稻 Z91—41占55.47%,晚稻秀水63占49.53%,三季当家品种比较 Jiashan County, located in the northeast of Hangzhou-Jiaxing-Huzhou Lake, is a plain area of ​​water network. It is one of the important bases for national grain production. The existing cultivated land is 458,000 mu, and the country pays 72 million kilograms of grain for purchase by the state. Jiashan County, a regular rice area, the annual demand for seeds larger, in 1996 as a unified pilot province for the county, the county three seasons crop promotion varieties 226.48 million kilograms, seed coverage 97.32%. The unified supply rate was 34.34%, an increase of 9.21% over 1995. Spring wheat barley varieties Zhepi 4 accounted for 51.4% of the total area planted, early rice Z91-41 accounted for 55.47%, late rice Xiushui 63 accounted for 49.53%, compared with the three seasons when the varieties