1. Decomposition of shoot and root litter of barley, lucerne and meadow fescue under field conditions;Andren;Swedish J. Agric. Res.,1987
2. Action de la faune sur les états de la matière organique dans les écosystèmes;Bouché,1975
3. Earthworm casts — affected by compacted soil?;Buck,2000
4. Residue effects on soil micro-and macroorganisms;Cochran,1994