On the classification and utilization of red soils in tropical and subtropical China International symposium on distribution, characteristics and utilization of problem soils

affectation de ressources asia asie chemicophysical properties china chine climatic soil types desarrollo de recursos environment environnement estructura del suelo land use medio ambiente resource allocation resource development site factors soil morphological features soil physicochemical properties soil structure soil types soil zonation sol tropical structure du sol suelo tropical trait morphologique du sol tropical soils type de sol type de sol climatique utilisation du sol