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八月份是水稻多种病虫并发,复合为害的重要时期。为减少用工,提高防效,本站于1992～1993连续两年试用21%双灵水稻杀虫杀菌剂防治水稻病虫,取得了显著的防治效果,结果报告于下。
August is an important period when many diseases and pests of rice are complicated and harmful to crops. To reduce labor and improve control efficiency, this site in 1992 to 1993 for 21 consecutive years to try 21% Shuangling rice insecticides and fungicides to control rice pests and has achieved remarkable results, the results reported in the next.