TY  - BOOK
AU  - Acquaah, George  .
TI  - Principles of crop production theory, techniques, and technlogy / 
SN  - 81-203-2161-8
U1  - J:5 
PY  - 2002///
CY  - New Delhi : 
PB  - Prentice-Hall of India Private Limited , 
KW  - Agriculture
ER  -