TY  - BOOK
AU  - Sparks, Donald L., ed.
TI  - Advances in agronomy
SN  - 0120007479
U1  - AR 630 21st ed.
PY  - 2001///
CY  - San Diego
PB  - Academic Press
KW  - Agronomy
KW  - Crops
KW  - Forest soils
KW  - Maize
KW  - Models
N1  - Content: v.74; Index: pp 247-54
ER  -