Interactions at the Soil Colloid Gisela and a general description of

and a general description of a multi-Iayered overall view on the structure of argu mentation

MACINTOSH MARY OSTLERE University of Oxford

Geschichten über unsere Tiere zusammen mit nützlichen tierischen Informationen

Vertragsverhandlungen

1 Die mütterliche Bindungsrepräsentation als Schutz- oder Risikofaktor 15

Interactions at the Soil Colloid Gisela and a general description ofAbout 20 years ago the emphasis in soil chemistry research switched from studies of problems related to scarcities of plant nutrients to those arising from soil pollutants. The new problems have come about because of the excessive uses of fertilizers, the inputs from farm and industrial wastes, the widespread applications of anthropogenie xenobiotic chemicals, and the deterioration of soil structure resulting from certain modern agriculture practises.