条件筛选
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How do you determine which category a hidden pesticide ingredient belongs to?
Generally speaking, "special-effect" pesticide samples all have distinctive characteristics, such as what insect they kill, what disease they prevent, or what weed they control. For samples requiring analysis, the first thing to provide should be...
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How to determine pesticide phytotoxicity? These judgment methods are worth knowing
How to determine pesticide phytotoxicity? Please provide an introduction to the methods. For phytotoxicity caused to crops, the existence of factors such as disease, nutrient deficiency, and crop physiological disorders increases the difficulty of identification. When phytotoxicity occurs and crop growth is abnormal, the following points should be noted in diagnosis: First, the abnormal...