01026naa a2200157 a 450000100080000000500110000800800410001910000160006024500930007626000090016930000120017852004410019065300250063170000190065677301930067518968092011-07-27       2011    bl ---       0--  u    #d1 aMOREIRA, A.  aChanges in soil properties under two different management systems in the Western Amazon.  c2011  ap. 183.  aThe aim of this work was to evaluate the changes in soil fertility, in the form of nitrogen mineral, and microbial activity, as indicators of the dynamic of carbon with two extractants (irradiation extraction) and IRGA methods, N and phosphorus in an upland soil area containing a dystrophic Yellow Latosol (Xanthic Ferralsol) in the Western Amazon (Brazil) submitted to succession of two plant cover (citrus or pasture) and management.  aPropriedades do solo1 aFAGERIA, N. K.  tIn: INTERNATIONAL SYMPOSIUM ON SOIL ORGANIC MATTER, 3., Leuven, 2011. Organic matter dynamics - from soils to oceans: book of abstracts. Leuven, Belgium: European Science Foundation, 2011.