TY  - BOOK
AU  - Ghopra,V.L.(Eds)
AU  - Ghopra,V.L.(Eds)
AU  - Singh,R.B.
AU  - Varma,A.
TI  - Crop Productivity and Sustainability spaning the future.(Proceeding)
U1  - 633/GHO 
PY  - 1998///
CY  - New Delhi
PB  - National Academy of Agricultural Science and ICAR
KW  - Crop Productivity
ER  -