TY  - GEN
AU  - Srivastava , H.S
AU  - Singh , Rana P.
TI  - Nitrogen nutrition and pland growth
SN  - 8120412826
U1  - 631.8 
PY  - 1999///
CY  - New Delhi
PB  - Oxford & IBH publishing co.pvt.ltd.
KW  - NITROGEN NUTRITION
KW  - PLANT SCIENCE
ER  -