00790naa a2200193 a 450000100080000000500110000800800410001902400490006010000160010924501040012526000090022952002210023865000150045970000200047470000240049470000160051870000160053477300460055021199412020-02-06       2001    bl uuuu     u00u1 u    #d7 ahttps://doi.org/10.1023/A:10133207210482DOI1 aLEHMANN, J.  aPhosphorus management for perennial crops in central Amazonian upland soils.h[electronic resource]  c2001  aThe present contribution discusses the soil P status of central Amazonian upland soils, the effects of tree crops on soil P availability and the factors controlling soil P cycling in land use systems with tree crops.  aAcid soils1 aCRAVO, M. D. S.1 aMACEDO, J. L. V. de1 aMOREIRA, A.1 aSCHROTH, G.  tPlant and Soilgv. 237, p. 309-319, 2001.