Efectos fisico-químicos inmediatos en los suelos afectados por la erupción del volcán Chichón (Chiapas, 1982)

Abstract

Soil samples from areas of rain tropical forest, grasslands and tropical plantation, affected by Chichon volcano eruption in 1982, were analyzed to evaluate changes in physical and chemical soil properties. The observed main effect in soil, was an increase in the natural fertility by enrichment of the exchangeable bases le­vel; futhermore, the pH was increase and the soluble aluminum, so­luble silica and total carbon levels diminished, which has increase disponibility of nitrogen and mineral phospohorus. Principal physical changes was an improvement of textural class and porosity.