TY  - BOOK
AU  - 
AU  - Srivastava, H. S., ed.
AU  - Singh, Rana P., ed.
TI  - Nitrogen nutrition and plant growth
SN  - 8120412826
U1  - 631.84 
PY  - 1999///
CY  - New Delhi
PB  - Oxford and IBH
N1  - Includes index
ER  -