TY  - BOOK
AU  - Singh, Sita Ram
TI  - Agro Diversity and cropping pattern: (Issues and Challenges)
SN  - 9788131306512
PY  - 2009///
CY  - New Delhi
PB  - APH. Publishing Corporation
N1  - Includdes bibliogrephial refernces
UR  - http://www.loc.gov/catdir/toc/ecip0721/2007025342.html
ER  -