TY  - BOOK
AU  - Acquaah,George
TI  - Principles of crop production: theory, techniques, and technology 
SN  - 0131145568
AV  - SB185 ACQ 
PY  - 2005///
PB  - Prentice Hall
KW  - Field crops
KW  - Food crops
KW  - Crop yields
N1  - Includes bibliographical references and index
ER  -