TY  - BOOK
TI  - Advances in soil organic matter research: the impact on agriculture and the environment
PY  - 1991///
CY  - Cambridge
PB  - Royal Society of Chemistry
KW  - Soils
KW  - Humus
KW  - Soil fertility
N1  - "The proceedings of a symposium organised by the Agricultural and Environment Groups of the Royal Society of Chemistry. The British Society of Soil Science, and the International Humic Substances Society. University of Essex, 3rd-4th September 1990."--Verso of Tp
ER  -