甜菜田不同除草剂配方对比防效

Modern Agriculture(2018)

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Abstract
分别采用滴灌和茎叶喷雾施药方式找出最佳除草配方并分析对比配方中每种药剂不同浓度梯度对杂草的防效.结果表明,本次试验滴灌施药对杂草无防治效果.各茎叶喷雾试验处理对苘麻的防效范围在78.3%~97.5%.15号小区用乙氧呋草黄0.18ml/㎡、甜菜安0.36ml/㎡、甲酯化植物油0.048ml/㎡、二氯吡啶酸0.03ml/㎡处理对杂草苘麻的防效最高可达97.5%.茎叶喷雾药剂处理可以抑制龙葵的生长.试验处理8号用0.36ml/㎡的甜菜安茎叶喷雾处理对灰菜的防效可达100%.
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