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爱福丁乳油是阿弗曼链霉菌 ,以过发酵等新工艺研究而成的新型生物农药 ,无毒无公害。为了验证在我团的防虫效果及经济效益 ,为大面积应用提供科学依据。我们进行了以下试验。1 材料与方法1.1 供试材料爱福丁乳油由北京农业大学新技术开发总公司研制生产。敌敌畏 :江苏南通农?
Aifu Dingding EC is avermectin Streptomyces, fermentation and other new technology research into a new type of biological pesticides, non-toxic and pollution-free. In order to verify the pest control effect and economic benefits in our group, to provide a scientific basis for large-scale applications. We conducted the following experiment. 1 Materials and methods 1.1 test materials avermectin EC by Beijing Agricultural University New Technology Development Corporation to develop and produce. Dichlorvos: Jiangsu Nantong agricultural?