Phosphorus sorption by Al(Fe)-humus complexes in volcanic ash soils [Japan]

agentes nocivos aluminio aluminium asia asie chemicophysical properties composition contaminantes contaminantes industriales elements environment environnement facteur nuisible fer fosforo heavy metals hierro humus industrial pollutants injurious factors iron japan japon lithological soil types medio ambiente metal metales metales pesados metals no metales nonmetals organic matter content phosphore phosphorus polluant polluant industriel pollutants site factors soil physicochemical properties soil types sol volcanique sorption transition elements type de sol type de sol lithologique volcanic soils