TY  - BOOK
AU  - Herren,Ray V.
TI  - The science of agriculture: a biological approach 
SN  - 1401898009
U1  - 630 22
PY  - 2007///
CY  - Clifton Park, NY
PB  - Thomson/Delmar Learning
KW  - Agriculture
N1  - Includes index
UR  - http://www.loc.gov/catdir/toc/fy0614/2005046744.html
UR  - http://www.loc.gov/catdir/enhancements/fy1104/2005046744-b.html
UR  - http://www.loc.gov/catdir/enhancements/fy1104/2005046744-d.html
ER  -