00646naa a2200205 a 450000100080000000500110000800800410001910000220006024501110008226000090019365300210020265300180022365300180024165300170025970000220027670000260029870000180032470000180034277300800036010857132012-06-26       2012    bl uuuu     u00u1 u    #d1 aVALENTE, D. S. M.  aDefinition of management zones in coffee production fields based on apparent soil electrical conductivity.  c2012  aCoffea Arabica L  aFuzzy k-means  aGeostatistics  aSoil sensors1 aQUEIROZ, D. M. de1 aPINTO, F. de A. de C.1 aSANTOS, N. T.1 aSANTOS, F. L.  tScientia Agricola, Piracicaba, SPgv. 69, n. 3, p. 173-179, may./jun. 2012.