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为了寻找无公害、防效好的新型植物农药 ,今年我们在蔬菜上对“绿植保”植物杀虫剂 ( 0 .36%苦参碱水剂 )进行试验 ,验证其防治效果。1 试验处理与设计 绿植保 80 0倍液。采用直接对比法 ,不设重复 ,试验面积为 2 667ｍ2 。3 指示作物与施药时期 早甘蓝莲座前期 ;早甘蓝结?
In order to find a new type of plant pesticide that is pollution-free and effective in prevention and control, this year we tested the “Plant Protection” plant insecticide (0.36% matrine agent) in vegetables to verify its control effect. 1 test treatment and design Green Plant Protection 80 0 times. Using direct comparison method, no duplication, the test area of 2 667m2. 3 indicates that the early stage of crop and application of cabbage rosette early; early cabbage knot?