TY  - BOOK
TI  - Advances in agronomy V 57
U1  - 631/635 
PY  - 1996///
CY  - California
PB  - Academic Press
KW  - Nitrogen mineralization
KW  - Phosphate rock dissolution
KW  - Rice hybrid
KW  - Soil archaeology
KW  - Vertisols
ER  -