TY  - BOOK
AU  - Sen, S P (Ed.) 
AU  - Abrol, Y P (Ed.) 
AU  - Sinha, S K (Ed.) 
TI  - Nitrogen assimilation and crop productivity 
PY  - 1978///
CY  - New Delhi: 
PB  - Associated Publishing Company, 
KW  - Agriculture
KW  - Biochemistry
KW  - Growth
ER  -