论文部分内容阅读
用6HW-50车载高射程喷雾机喷洒1．2％苦·烟乳油防治蝗虫施药后2d用药量315g／hm2的防治效果92．5％;用量405g／hm2防治效果93．4％。
The spraying of 1.2% bitter · smoke and cream on locusts with the dosage of 315g / hm2 after 92% spraying with 6HW-50 vehicle high-range spraying machine was 93.4% with the dosage of 405g / hm2.