TY  - BOOK
AU  - Giller,K.E.
AU  - Wilson,Kate J.
TI  - Nitrogen fixation in tropical cropping systems
SN  - 0851986714
PY  - 1991///
CY  - UK
PB  - C.A.B. International
KW  - Nitrogen
KW  - Fixation
KW  - Tropics
KW  - Nitrogen-fixing plants
ER  -