| Changes resulting from the soils use and cropping affect the structure and biological activity, then interfeing on the chemical attributes. This research had the objective of evaluating the soil chemical attributes of sub-river basin Jardim Novo Horizonte, in order to verify the effect of different soil uses and management. Soils in the sub-river basin are Red Oxisol and Red-Yellow Alfisol. Six and four spots were evaluated in the first and second soils, respectively, totaling 10 spots along the sub-river basin with five replications each. The following systems were sampled from the Oxisol: area cropped with mango, four areas under pasture and area with annual crop. Two areas under pasture, one with annual crop and another with forest fragment area were... |
