TY  - BOOK
AU  - Giller, Ken E.
TI  - Nitrogen fixation in tropical cropping system
SN  - 0851994172
U1  - 633.30913 
PY  - 2001///
CY  - London
PB  - CABI Publishing
KW  - Dinitrogen Fixation
KW  - Nitrogen Fixation
KW  - Fixation of Nitrogen
ER  -