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用孔径０．６ｍｍ（３０目）的防虫网能很好地控制小青菜上的各种害虫，２批小青菜控制效果分别为８５．３７％和９３．６８％；用孔径０．６ｍｍ的防虫网比用５％的抑太保乳油和２．５％的溴氰菊酯乳油，分别净增收１２９３０．００元／ｈｍ２·ａ－１和４２６１２．９０元／ｈｍ２·ａ－１。
With a diameter of 0.6mm (30 mesh) insect net can control small vegetables on a variety of pests, two batches of small vegetables control effects were 85.37% and 93.68%; with a diameter of 0.6mm pest control Net net income of 12930.00 yuan / hm2 · a-1 and 42612.90 yuan / hm2 · a-1, respectively, compared with that of 5% butterphor and 2.5% deltamethrin.