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South African Journal of Plant and Soil Volume 13, 1996 - Issue 4
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Original Articles

Calibration models for interpretation of soil salinity measurements using an electromagnetic induction technique

M. A. Johnston Department of Agronomy, University of Natal, Private Bag X01, Scottsville, 3209, Republic of South Africa
,
M. J. Savage Department of Agronomy, University of Natal, Private Bag X01, Scottsville, 3209, Republic of South Africa
,
J. H. Moolman Department of Soil and Agricultural Water Science, University of Stellenbosch, Stellenbosch, 7600, Republic of South Africa
&
H. M. du Plessis Water Research Commission, P.O. Box 824, Pretoria, 0001, Republic of South Africa
Pages 110-114 | Accepted 25 Jun 1996, Published online: 15 Jan 2013

References

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  • Gee , G. W. and Bauder , J. W. 1986 . “ Particle size analyais. ” . In Methods of soil analysis. Part 1: Physical and mineralogical methods. Agronomy No. 9 Edited by: Klute , A. 383 – 411 . Am. Soc. Agron. Inc., Madison, Wis
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  • McNEILL , J. D. 1986 . Geonics EM-38 ground conductivity meter-operating instructions and survey interpretation techniques. Technical note TN-21, Geonics Ltd., Ontario, Canada.
  • Pro , Quattro . 1990 . Spreadsheet package, version 2.0. Borland International Inc., Scotts Valley, California, U.S.A.
  • Rhoades , J. D. 1992 . Instrumental field methods of salinity appraisal. In Advances in measurement of soil physical properties: bringing theory into practice. Special publication no. 30, Soil Sci. Soc. Am., Madison, Wis.
  • Rhoades , J. D. and Corwin , D. L. 1981 . Determining soil electrical conductivity-depth relations using an inductive electromagnetic soil conductivity meter . Soil Sci. Soc. Am. J. , 45 : 255 – 260 .
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  • Richards , L. A. 1954 . Diagnosis and improvement of saline and alkali soils. U.S.D.A. Handbook No. 60, Washington DC.
  • Slavich , P. G. 1990 . Determining ECa-depth profiles from electromagnetic induction measurements . Aust. J. Soil Res. , 28 : 443 – 452 .
  • SOIL CLASSIFICATION WORKING GROUP . 1991 . Soil classification - a taxonomic system for South Africa. Mem. Agric. Nat. Res. S. Afr., No. 15. Dept. of Agricultural Development, Pretoria.
  • Van Der Lelij , A. 1983 . Use of an electromagnetic induction instrument (type EM-38) for mapping of soil salinity. Unpublished report. Water Resources Commission, Murrumbidgee Division, Australia.
  • Wollenhaupt , N. C. , Richardson , J. L. , Foss , J. E. and Doll , E. C. 1986 . A rapid method for estimating weighted soil salinity from apparent soil electrical conductivity measured with an aboveground electromagnetic induction meter . Can. J. Soil Sci. , 66 : 315 – 321 .

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