TY - BK AU - Richardson,W.G. AU - Parker,C. AU - West,T.M. TI - The activity of pre-emergence selectivity of some recently developed herbicides: R 40244, AC 206784, pendimethalin, butralin, acifluorfen and FMC 39821 T2 - Technical Report. Agricultural Research Council Weed Research Organization (UK). U1 - 81-587953 PY - 1979/// CY - Oxford (United Kingdom) PB - ARC Weed Research Organization, KW - Herbicides KW - AGROVOC KW - Weeds and weed control N1 - 9 ref ER -