TY - BOOK AU - Martin, John H AU - Stamp, David L AU - Waldren, Richard, P TI - Principles of Field Crop Production SN - 0130259675 U1 - 630 PY - 2006/// CY - New Jersy PB - Pearson Prentice Hall KW - Agriculture KW - Field Crop UR - http://14.139.59.218:80/cgi-bin/koha/opac-detail.pl?biblionumber=4626 ER -