TY  - BOOK
AU  - THAPAR, Ambika
TI  - Relationship between ureide concentration and symbiotic nitrogen fixation
U1  - T 631.847 T30R 
PY  - 1991///
CY  - Ludhiana
PB  - PAU
KW  - NITROGEN -- FIXATION
KW  - MICRO - ORGANISMS, NITROGEN -- FIXING
KW  - UREIDE
ER  -