TY  - BOOK
AU  - Acquaah, George
TI  - Principles of Crop Production:theory, Techniques, and Technology
U1  - 631 
PY  - 2002///
CY  - New Delhi
PB  - Prentice-Hall of India
KW  - General Stack
KW  - Crop yields
KW  - Field crops Food cropsBotany
ER  -