00502naa a2200169 a 450000100080000000500110000800800410001910000170006024501180007726000090019565000130020465000140021765300130023165300100024470000150025477300630026920137152015-04-16 1980 bl --- 0-- u #d1 aKEOGH, J. L. aThe residual phosphorus, potassium, chlorides and other salts in soils following five years of fertility studies. c1980 aFósforo aPotássio aCloretos aSolos1 aMAPLES, R. tComm. Soil Sci. Plant Anal.gv. 11, n. 4, p. 355-68, 1980.