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北京农大近期研制成功的绳索涂抹治蚜虫技术,经大面积推广实践证明防效可佳。其技术是:绳索涂抹器是由三部分构成,即绳索、贮药筒和手柄。涂抹用的农药必须具有内吸性。如50%久效磷乳油,40%氧化乐果乳油等。先把内
Beijing Agricultural University recently developed a successful application of rope aphid treatment technology, the promotion of large-scale proven good control effect. The technology is: rope applicator is composed of three parts, namely rope, storage cartridge and handle. Spraying pesticide must have internal absorption. Such as 50% monocrotophos, 40% omethoate and so on. First inside