TY  - BOOK
AU  - Hargrove, William Leonard
TI  - Cropping strategies for efficient use of water and nitrogen
T2  - ASA. Special publication
U1  - 631.5 
PY  - 1993/// (c.1988)
CY  - Madison, Wis.
PB  - American Society of Agronomy
KW  - Cultivos
KW  - Agua requerida
KW  - Nitrógeno en plantas
KW  - Sistemas de cultivo
ER  -