TY  - JOUR 
T1  - The effect of slash and burn agriculture on plant nutrients in the Tertiary Region of Central Amazonia <sup>(</sup><sup>)</sup>
JO  - Acta Amazonica
A1  - Brinkmann, W. L. F.
A1  - Nascimento, J. C. do
SN  - 0044-5967
UL  - 10.1590/1809-43921973031055
VL  - 3 
Y1  - 1973
PB  - Brasil 
ER  -