不同用量3%烟嘧磺隆·27%莠去津可分散型油悬浮剂对玉米田苗后杂草防除药效分析

Effectiveness Analysis of Different Dosage of 3% Nicosulfuron and 27% Atrazine Dispersible Oil Suspending Agent on After Seedling Weed Control

通过3%烟嘧磺隆·27%莠去津分散型油悬浮剂防除玉米田苗后杂草示范试验,找出适宜的施药剂量,验证其对玉米田各种杂草的防效及对玉米的安全性。综合测定结果表明：3%烟嘧磺隆·27%莠去津分散型油悬浮剂每0.067 hm^2用量150-200 mL,田间杂草防除及增产效果最佳。因此每0.067 hm^2用量150-200 mL是玉米苗后除草使用的最佳剂量。

Through 3% nicosulfuron and 27% atrazine dispersible oil suspending agent on After seedling weed control demonstration test, find out the suitable dose of pesticide, to verify the cornfield various weed control effect and safety of corn. Comprehensive determination results indicated that 3% nicosulfuron and 27% atrazine dispersible oil suspending agent every 0.067 hm2 dosage of 150-200 mL has the optimal weed control and increase yield, so every 0.067 hm^2 dosage of 150 - 200 mL is the the best use dose.