TY  - BOOK
AU  - Nutman,P.S.
TI  - Symbiotic nitrogen fixation in plants
SN  - 0521206456 :
U1  - 589.704 
PY  - 1976///
CY  - Cambridge [Eng.]
PB  - The University Press
KW  - Nitrogen
KW  - Fixation
KW  - Legumes
KW  - Nitrogen-fixing plants
KW  - Nitrogen-fixing microorganisms
KW  - Symbiosis
N1  - Includes bibliographies and index
ER  -