Correção de solos salino-sódicos: efeito dos resíduos orgânicos na disponibilidade de nutrientes.

Abstract

The presente work was conducted in the greenhouse, with the objective of evaluate the effect of the gypsum and of organic matter in the contents of macro and micro nutrients in the saline-sodic soil. The application of organics matter in differents rate of gypsum, of the saline-sodic soil, resulted the increase in the contents exchange of P and K, with short effect in the availability of Ca, Mg, Fe, Cu, Zn and Mn.