The residues of pesticides are an important factor of influencing the security of tobacco leaf, we should be take seriously care on the control of the residues of pesticides in tobacco leaf yield.
农药残留是影响烟叶安全性的重要内容，应该在生产中重视烟叶农药残留的控制。
The residues of pesticides are an important factor of influencing the security of tobacco leaf, we should be take seriously care on the control of the residues of pesticides in tobacco leaf yield.
农药残留是影响烟叶安全性的重要内容，应该在生产中重视烟叶农药残留的控制。
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