publicações Degradation of Atrazine in soil and subsurface Documento Effects of selected land clearing methods on the physical properties of an oxisol in the Brazilian Amazon Documento Manganese toxicity in mungbean [Vigna radiata (L.) Wilczek] and the effects of vesicular-arbuscular mycorrhiza on plant manganese tolerance Documento Residual effects of aluminium on Bradyrhizobium japonicum in defined medium and soil solutions. Documento