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南昌县从1984年开始在鄱阳湖洲滩坚持机耕灭螺,7年中反复灭螺76292亩,140076亩次,占全县有螺洲滩面积的58%。现将灭螺前及灭螺后不同时间的观察结果报告如下: 灭螺方法 一、机耕加药杀:秋季退水后机耕,用
Since 1984, Nanchang County has persisted in cultivating molluscicides in Huzhou Island, Poyang Lake. Repeated snails of 76292 mu and 14 40076 mu in seven years accounted for 58% of the total area of Loizhou Beach in the whole county. Now snail snail before and after the snail at different times of observation results are reported as follows: snail snail method First, the tillage plus drug kill: after the autumn backwater tillage, with