Castro, P.R.C. Rodrigues, E. Auer, C.G. Estudo do efeito alelopatico de Brassica napus L. e de Sorghum halepense (L.)Pers. Study of allelopathic effect of Brassica napus L. and Sorghum halepense (L.)Pers. Subjects--Topical Terms: COLZASORGOALELOPATIA