TY  - BOOK
AU  - Chopra,V.L.
AU  - Singh,R.B.
AU  - Varma,Anupam
ED  - International Crop Science Congress
TI  - Crop productivity and sustainability: shaping the future : proceedings of the 2nd International Crop Science Congress 
SN  - 1578080045
PY  - 1998///
CY  - Enfield, New Hampshire
PB  - Science Publishers
KW  - Agricultural productivity
KW  - Congresses
KW  - Crop yields
KW  - Crop science
ER  -