TY - REP AU - Prato,T. AU - Brusven,M. ED - National Symposium on Conservation System. Hyatt Regency Chicago, Illinois Center (USA). 14-15 Dec 1987 TI - A methodology for assessing agricultural erosion and nonpoint source pollution SN - 09-161-50895 U1 - 89-021229 PY - 1987/// KW - Injurious factors KW - Physiographic features KW - Pollution T2 - Optimum erosion control at least cost: proceedings of the national symposium on conservation systems. St. Joseph, Mich. (USA). American Society of Agricultural Engineers. 1987. p. 297-304 ER -