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选用白菜试验地二亩,进行四次重复的田间小区随机排列对比试验,颗粒剂选用粘土过20/40筛目,与炭粉、药剂拌匀施入播种沟内,后进行播种。蚜虫调查:定植前每处理调查100株,定植后每处理调查40株,每隔3—4天进行一次随机取样田间调查,以比较不同药剂治蚜防病效果。结果证明,在每亩使用药剂,乙拌磷(纯)、乐果(纯)、曼纳松(50％)均为76.6克及曼纳松(50％)51克的有效含量,各种药剂载体每亩使乙拌磷(纯)、乐果(纯)、曼纳松(50％)
Select cabbage test two acres, four plots of field plots arranged in random comparison test, the choice of clay granules 20/40 mesh, and charcoal, pharmaceutical mix into the sowing ditch, after sowing. Aphids survey: 100 pre-planting investigation for each treatment, after planting 40 per treatment investigation, every 3-4 days to conduct a random sampling field survey to compare the effectiveness of different drugs cure aphids. The results showed that effective doses of 76 grams of bixitin (pure), dimethoate (pure), Manassone (50%) and 51 grams of mannoson (50% Carrier Phosphite (pure) per acre, dimethoate (pure), Manassong (50%)