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植桑养蚕是农村的重要副业,经济收益很高,但桑园管理用工量大,管理失时,往往杂草丛生,严重影响桑叶产量和采收作业。从1984年开始,我们对桑园杂草的种类、分布、发生规律及化学防除技术进行了调查研究和试验示范,目前已大面积推广。现将有关情况总结于下:(一)杂草的种类与分布
Planting mulching sericulture is an important sideline of the rural areas, high economic returns, but the mulberry field management of large quantities of management failure, often overgrown, seriously affecting mulberry yield and harvesting operations. Since 1984, we have carried out research, research and demonstration on the types, distribution, occurrence rules and chemical control technologies of mulberry weeds and have now been widely popularized. The relevant information is summarized below: (a) the type and distribution of weeds