Methods of soil analysis. Part 3 - chemical methods.Donald L. Sparks, A. L. Page, Philip A. Helmke, Richard H. Loeppert, P. N. Soltanpour, M. A. Tabatabai, Cliff T. Johnston, M. E. SumnerUnknownJanuary 1, 1996Cited by 8,557SaveCiteExport RISWatch citationsAbstractRelated PapersNo related papers foundPowered by citation graph analysis