TY  - BOOK
AU  - Herren,Ray V
TI  - The science of agriculture: a biological approach 
SN  - 9781439057674 /
AV  - S495 H565 S3 2012
PY  - 2012///
CY  - Clifton Park, NY
PB  - Thomson Delmar Learning
KW  - Agriculture
ER  -