TY  - BOOK
ED  - Symposium on Review of Nitrogen in the Tropics with Particular Reference to Pastures  :
TI  - A review of nitrogen in the tropics with particular reference to pastures: a symposium
U1  - 572.5454 21st ed.
PY  - 1962///
CY  - England
PB  - Commonwealth Agricultural Bureaux
KW  - Nitrogen fixation
KW  - Soil nitrogen
KW  - Soil science
N1  - Index: pp 181-85
ER  -