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Herbicide Rate Recommendations: Soil Parameter Equations vs. Registered Rate Recommendations

机译:除草剂比率建议:土壤参数方程式与注册比率建议

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Chlorimuron, clomazone, imazaquin, imazethapyr, and pendimethalin were each applied at five rates to soils at 10 different sites each year for three years to determine which soil properties influenced their bioactivity. Six soils in the U.S. (NC) and four in Zimbabwe were characterized for their plow-layer contents of organic matter (OM), humic matter (HM), clay mineral (CM), and silt and for pH and cation exchange capacity (CEC). At each site, the rate of each herbicide yielding 80/100 weed control (I_80) was determined by visually evaluating the treated plots.
机译:每年在10个不同地点的土壤中,分别以5种比率将百草隆,灭草灵,伊马西喹,咪唑乙烟和戊二甲灵施用3年,以确定哪些土壤性质影响了它们的生物活性。美国的6种土壤(津巴布韦)和津巴布韦的4种土壤的耕层含量包括有机质(OM),腐殖质(HM),粘土矿物(CM)和淤泥,以及pH和阳离子交换能力(CEC) )。在每个位置,通过目测评估处理后的地块,确定每种除草剂产生80/100杂草对照(I_80)的速率。

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