TY  - JOUR 
T1  - Leaf micronutrient concentrations and potential photosynthesis in
            <i>Ochroma pyramidale </i>established in a degraded land
JO  - Acta Amazonica
A1  - MARENCO, Ricardo A.
A1  - VIEIRA, Gil
A1  - GONÇALVES, José F. de C.
SN  - 0044-5967
UL  - 10.1590/1809-4392200331031
VL  - 33 
Y1  - 2003
PB  - Brazil 
ER  -