渍害是制约平原水网区春花产量的主要障碍因子。为解决渍害问题 ,近年来 ,桐乡市探索形成了油菜高畦阔沟“双龙”窄株栽培技术 ,并在桐乡市大面积推广 ,有效地防止了渍害 ,减轻菌核病 ,增产较为显著。一般烂冬年份比阔塄栽培增产 15 %以上 ,干旱年份增产 6%左右 ,正常年份增产 10 %～ 12 %。 Waterlogging is the main obstacle to restrict the production of spring flowering area in plain water. In order to solve the problem of water pick-up, in recent years, Tongxiang City explored the narrow-sown cultivation technique of “Ssangyong” in Gaocaigou, and popularized it in Tongxiang City effectively, effectively preventing waterlogging and reducing Sclerotinia sclerotiorum. Winter rotten winter than the average yield more than 15%, a drought year increased by about 6% in normal years, an increase of 10% to 12%.