TY  - BOOK
AU  - Hansen, S
AU  - Ma, Liwang
AU  - Shaffer, M. J
TI  - Modeling carbon and nitrogen dynamics for soil management
SN  - 9781566705295
SN  - 68707
U1  - 631.41 SHA 
PY  - 2001///
CY  - Boca Raton, FL
PB  - Lewis Publishers
KW  - Soil management
KW  - Soils - Carbon content - Mathematical models
KW  - Soils - Nitrogen content - Mathematical models
N1  - Includes bibliographical references and index
ER  -