enviromental effects of conventional and organic/biological farming systems
Subtitle: a report commissioned by the Eva Reckitt Trust Fund, Augustine Trust, Vegetarian Society, Planetary Initiatives
By: [by] C. Arden-Clarke. Pt.1, Soil structure and erosion. Pt.2, Soil ecology, fertility and nutrient cycles.
Contributors: Political Ecology Research Group.
Series: Research report / Political Ecology Research Group -- RR-16
Publisher: Political Ecology Research Group
Published: 1988
Place of publication: Oxford
Language: eng