INCIDENCIA DEL INCREMENTO DE TEMPERATURA DEL SUELO DURANTE LA QUEMA DEL MATORRAL SOBRE LA TEXTURA DE LA CAPA MÁS SUPERFICIAL DEL SUELO EN LAS “MACHAMBAS” DE CABO DELGADO (MOZAMBIQUE)

R. ESPEJO*, V. GOMEZ*, T. TEREFE*, F. PEREGRINA, C. PÉREZ**.

* Dept. Edafología. ETSI Agrónomos. Ciudad Universitaria. 28040 Madrid
** GETINSA, Raimundo Fernández Villaverde, Madrid

Abstract

The influence of the temperature reached by the soil surface during burning of bushes in “machambas” of the province of Cabo Delgado (NE Mozambique) on the texture, and release of sand from the topmost surface was studied. Such a temperature, which never exceeded 275 ºC, was found to be too low to affect the proportion of sand, which confirms the importance of the pH rise during the process.

Key words: Sand, soil temperature, “machamba”, haplic Ferralsol.