TY  - BOOK
AU  - Acquaah,George
TI  - Principles of crop production: theory, techniques, and technology 
SN  - 9788120343308
AV  - SB185 .A27 2005
PY  - 2005///
CY  - Upper Saddle River, N.J.
PB  - Pearson Prentice Hall
KW  - Field crops
KW  - Food crops
KW  - Crop yields
ER  -