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2.无公害萝卜生产中物理防治、生物防治技术 物理防治技术,包括:银膜趋蚜、在田间和温室中设置黄板诱杀蚜虫、设置防虫网、人工捕杀和及时摘除受害叶等。 生物防治指的是利用有益生物(包括生物制剂)防止蔬菜病虫害,是无公害蔬菜防治的重要手段。由于菜田生态环境不稳定,自然田地的优势种较难建
2. Pollution-free radish in the production of physical control, biological control technology, physical prevention and treatment technology, including: silver-calorie aphids, yellow set in the field and greenhouse trap aphids, set insect net, manual killing and prompt removal of the victim leaves. Biological control refers to the use of beneficial organisms (including biological agents) to prevent pests and diseases of vegetables is an important means of pollution prevention and control of vegetables. Due to the unstable ecological environment in vegetable fields, the dominant species in natural fields are more difficult to build