01023naa a2200241 a 450000100080000000500110000800800410001910000150006024501170007526000090019252002430020165000140044465000110045865000150046965300220048470000170050670000200052370000180054370000170056170000200057870000220059877301610062010296542006-03-14       1999    bl ---       0--  u    #d1 aMACEDO, A.  aX and gamma ray tomography to evaluate physical parameters of soil under corn crop and soil degraded by pasture.  c1999  aIn this paper X and [gamma]-ray tomography (CT) scanning were used to evaluate the effect of different tillage systems on soil structures of two soils, a Red Latossol (RL) under corn cropping and a Red Yellow Latossol (RYL) under pasture.  aRaio Gama  aRaio X  aTomografia  aRed Latossol (RL)1 aCRESTANA, S.1 aCRUVINEL, P. E.1 aVAZ, C. M. P.1 aNAIME, J. M.1 aJORGE, L. A. C.1 aGUIMARÃES, M. F.  tIn: AMERICAN SOCIETY OF AGRONOMY ANNUAL MEETING, 91., 1999, Salt Lake City. 1999 Annual meeting abstracts... New York: ASA: CSSA: SSSA, 1999. p.195. Resumo.