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施钾肥减轻油菜菌核病的为害凌小明郑胜龙邵建义（浙江余姚市农业局粮油植保站３１５４００）油菜是我市的主要经济作物之一，常年种植面积约１．０７万ｈｍ２，但单产提高不快，６６７ｍ２产量俳徊在１２０ｋｇ上下，除气候条件、栽培措施等因素外，菌核病的为害也是制约...
Application of potassium fertilizer to reduce the damage of rape sclerotinia Ling Xiaoming Zheng Shenglong Shao Jianyi (Zhejiang Yuyao Bureau of Agriculture Oil Plant Protection Station 315400) Rape is one of the city’s main cash crops, perennial planted area of about 101700 hm2, but yields rise unpleasant, 667m2 yield 俳 徊 120kg up and down, in addition to climatic conditions, cultivation measures and other factors, sclerotinia damage is also a constraint ...