TY  - BOOK
AU  - Abrol,Y.P..
AU  - Raghuram,N..
AU  - Sachdev,M.S..
TI  - Agricultural nitrogen use & its environmental implications / 
SN  - 9788189866334
U1  - 572.545 
PY  - 2007///
CY  - NewDelhi : 
PB  - I K International , 
KW  - NITROGEN FIXATION
N1  - Includes Index
ER  -