TY  - BOOK
TI  - Review of nitrogen in the tropics with particular reference to pastures
T2  - Commonwealth Bureau of pastures and field crops bulletin; 46
U1  - 631.84(213.5) 
PY  - 1962///
CY  - London
PB  - CAB
KW  - Nitrogen fixation
KW  - Soil nitrogen
ER  -