TY  - SER
AU  - Norman,A.G.
ED  - American Society of Agronomy.
TI  - Advances in Agronomy / (Acc. 3731)
SN  - 9780123743558 (v. 98)
U1  - 630.72 
PY  - 2008///
CY  - San Diego
PB  - Academic Press
KW  - Agriculture
ER  -