TY - GEN AU - AU - Greenwood, D.J. TI - Quantitative theory in soil productivity and environmental pollution: Proceedings SN - 0854034218 PY - 1990/// CY - London PB - The Royal Society KW - Soil Pollution KW - Soil Productivity KW - Environmental Pollution N1 - Originally published in philosophical trasactions of Royal Society of London; sr. B; Vol. 329; no. 1255; p. 307-433 ER -