TY  - BOOK
AU  - Follett, R F
TI  - Soil fertility and organic matter as critical components of production systems : Proceedings of a symposium sponsored by Division S-4, S-2, S-3, and S-8 of the soil Science Society of America in Chicago, IL, 3 December, 1985
T2  - SSSA Special Publication number 19
U1  - 631.45:061.3 
PY  - 1987///
CY  - U S A
PB  - Soil Science Society of America, Inc and American Society of Agronomy, Inc
KW  - Soil conservation
ER  -