00526naa a2200157 a 450000100080000000500110000800800410001910000160006024501000007626000090017665300190018565300330020465300340023770000210027177300760029210510112007-01-23       2006    bl uuuu     u00u1 u    #d1 aLEAO, T. P>  aA statistical basis for selecting parameters for the evaluation of soil penetration resistance.  c2006  aAnalise probit  aAvalicao da qualidade fisica  aTeste de comparacao de medias1 aSILVA, A. P. da.  tScientia Agricola, Piracicabagv. 63, n. 6, p. 552-557, nov./dec. 2006.