我县位于杭州湾入口处,是个平原水网地区。油菜面积常年保持在11万亩左右,每年向国家提供商品油菜籽856～1651万斤,是全省的重点油菜产区之一。1978年,全县实现了春粮亩产超历史的同时,113641亩油菜,平均亩产208斤,比1977年亩产123斤增产85斤,比历史上最高年份的1974年亩产185斤增产23斤。在油菜栽培的技术措施上,主要有以下几个方面: My county is located in Hangzhou Bay entrance, is a plain water network area. Rapeseed area perennial remained at about 11 acres, the annual supply of goods to the country rapeseed 856 ~ 1651 kg, is the province’s key rapeseed areas. In 1978, the county achieved a super-history of spring grain mu, while 113641 mu of rapeseed had an average yield of 208 kilograms, an increase of 85 kilograms more than 123 kilograms per mu in 1977, an increase of 185 kilograms per mu in 1974, the highest in history 23 pounds. Rape cultivation techniques, mainly in the following areas: