TY  - BOOK
AU  - Singh,Rajeev Pratap
TI  - Organic fertilizers: types, production and environmental impact 
T2  - Agriculture issues and policies
SN  - 9781620814222 (hbk.)
PY  - 2012///
CY  - Hauppauge, N.Y.
PB  - Nova Science Pub
KW  - Organic fertilizers
N1  - Includes index
ER  -