Literaturrecherche

Literatur Sauerbeck D (1982) Influence of crop rotation, manurial treatment and soil tillage on the organic matter content of German soils. In: Boels D, Davies DB, Johnston AE (eds) Soil degradation. Rotterdam: Balkema, pp 163-179

Literatur Söchtig H, Sauerbeck D (1982) Soil organic matter properties and turnover of plant residues as influenced by soil type, climate and farming practice. In: Boels D, Davies DB, Johnston AE (eds) Soil degradation. Rotterdam: Balkema, pp 145-162