Water storage in two soils under different land uses and management

Abstract

The water storage in the soil depends on texture, structure, distribution and average pore size being directly related to land use and management. This work had for objective to compare the effects of different uses and management of soil and to evaluate the storage water capacity in soils of sub-river basin Jardim Novo Horizonte located in Ilha Solteira, State São Paulo. The soils of 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 ten spots along the sub-river basin with five replications each. The soil uses were: area cropped with mango, four areas under pasture and area with annual crop, in the Oxisol, and two areas under pasture, one with annual crop and another with forest fragment, in the Alfisol. The area with forest fragment showed higher water storage in the soil. The soils of sub-river basin Jardim Novo Horizonte has low water storage capacity. It is observed, the influence of structure and texture both in water storage in the soil, as in the water retention curve of these.

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