Thenylchlor Concentration in Soil Water and its Herbicidal Activity.

Abstract

The herbicidal activity of soil applied thenylchlor [2-chloro-N-(3-methoxy-2thienyl) methyl 2', 6'-dimethylacetanilide] on Echinochloa crus-galli Beauv. var. formosensis Ohwi was more remarkable in Ryugasaki paddy soil than in Yawara paddy soil. The soil applied with thenylchlor solution was separated into centrifuged-soil and plant available soil water by centrifugation.