TY  - BOOK
AU  - NAAS
AU  - NAAS
TI  - Crop Productivity and sustainability Shapping the Future.2nd International Crop Science Congress, 17-24 Nov 1996
U1  - 633/NAAS 
PY  - 1996///
CY  - New Delhi
PB  - National Academy of Agricultural Science
KW  - Crop Productivity
KW  - sustainability
ER  -