TY  - GEN
AU  - Silva Martins,Paulo Fernando da
AU  - Brandino,Zeni Goes
AU  - Cardoso,Antonio
TI  - Perspectives on the qualitative and quantitative improvement of humus in soils of the eastern amazon region
KW  - Sol
KW  - Humus
KW  - Fertilité sol
KW  - Brésil
KW  - Amazonie
N1  - bibliogr. p. 118
ER  -