TY  - BOOK
AU  - Martin, Ralph C.,
TI  - Managing Energy, Nutrients and Posts in Organic Field Crops
SN  - 9781466568365
U1  - 631.584 
PY  - 2014///
CY  - Boca Raton
PB  - CRC Press, Inc.
KW  - Organic Farming
KW  - Pest Management
ER  -