ESTUDIO DE LA DEGRADACIÓN DE SUELOS CALIZOS EN ZONAS SEMIARIDAS: UN EJEMPLO EN LA SIERRA DEL ALGAIDÓN (MURCIA)
Abstract
A relationship between the properties of calcareous soils(Leptosols, Kastanosems, Calcisols, Fluvisols, Regosols) and their different topographical positions is established. The treatment of experimental data by means of factorial analysis statistical techniques allows to develop factors or indexes for the estimation of the soil degradation to be obtained. The fertility factor (factor 1) increases when the soil degradation decreases. The fall in the organic matter content, due to repetitive ploughing and the subsequent decrease in vegetal residue content, produces the degradation of the soil structure, a fa11 in productivity and, consequently, an increasing desertification.Downloads
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