论文部分内容阅读
７２％霜脲锰锌、５０％叶斑净防治蔬菜病害的效果１９９６年６月１６日黑龙江省植保站在牡丹江市召开了施用江苏省新沂市利民化工厂生产的７２％霜脲锰锌及５０％叶斑净防治蔬菜病害的现场会，参加会议的有来自黑龙江省内３０余市县的植保推广经营干部５０余人，并邀请了...
72% frost urea manganese and zinc, 50% leaf spot net effect of preventing and controlling vegetable diseases June 16, 1996 plant protection station in Heilongjiang Province held in Mudanjiang City, Jiangsu Province, Xinyi Limin Chemical Factory production of 72% cream urea manganese zinc And 50% leaf spot net vegetable disease prevention on-site meeting, attended the meeting from Heilongjiang Province in more than 30 cities and counties in the plant protection promotion of cadres more than 50 people, and invited ...