1,155
Views
5
CrossRef citations to date
0
Altmetric
Research Papers

Soil classification groups to quantify primary salinity, sodicity and alkalinity in South African soils

&
Pages 117-125 | Received 15 Jan 2013, Accepted 02 May 2014, Published online: 24 Jul 2014

References

  • Beckman RJ, Cook RD. 1983. Outliers. Technometrics 25: 119–149.
  • Brady NC. 1990. The nature and properties of soils (10th edn). New York: Macmillan Publishing Company.
  • Bresler E. 1981. Transport of salts in soils and subsoils. AgriculturalWater Management 4: 35–62.
  • Chief Director of Surveys and Mapping. 1993. South Africa 1:50 000 sheets. Mowbray: Chief Director of Surveys and Mapping.
  • Ellis F, van Laar A. 1999. Nutrient levels of three Eucalyptus species/provenances, measured over four seasons in a trial along the sandy, dry, Cape West Coast of South Africa. Southern African Forestry Journal 184: 33–40.
  • Emerson WW, Bakker AC. 1973. The comparative effects of exchangeable calcium, magnesium, and sodium on some physical properties of red-brown earth subsoils. 1. The spontaneous dispersion of aggregates in water. Australian Journal of Soil Research 11: 151–157.
  • Fey M. 2010. Soils of South Africa. Cambridge: Cambridge University Press.
  • FAO (Food and Agriculture Organization of the United Nations). 2001. Origin, classification and distribution of salt-affected soils. Rome: FAO. Available at http://www.faop.org/docrep/x587e/x587e03.htm [accessed 6 February 2001].
  • Macvicar CN. 1972. Legend for the sketch map giving a tentative appreciation of the occurrence of salt-affected soils in South Africa. SIRI Report no. 768/139/72. Pretoria: Department of Agricultural Technical Services.
  • MacVicar CN, Loxton RF, Lambrechts JJN, Le Roux J, de Villiers JM. 1977. Soil classification – a binomial system for South Africa. Pretoria: Department of Agricultural Technical Services.
  • Nell JP. 1991. Besproeibaarheid van gestruktuurde gronde. University of the Free State, South Africa.
  • Nell JP, Bennie ATP 1991. Structure as an index of the irrigability of soils. In: Green GC (ed.), Proceedings of the Southern African Irrigation Symposium. WRC Report no. TT 71/95. Pretoria: Water Research Commission. pp 92–97.
  • Nell JP, Lea I. 2004. The effect of the Blesbokspruit wetland system and gold mine effluent water use on irrigated agriculture. Paper presented at the SANCID Congress, 17−19 November 2004, Fish River Sun, South Africa.
  • Nell JP, van Huyssteen CW. 2014. Geology and groundwater regions to quantify primary salinity, sodicity and alkalinity in South African soils. South African Journal of Plant and Soil. DOI: 10.1080/02571862.2014.921940.
  • Netterberg F. 1969. The geology and engineering properties of South African calcretes. PhD thesis, University of the Witwaters rand, South Africa.
  • Non-Affiliated Soil Analysis Working Committee. 1990. Methods of soil analysis. Pretoria: Soil Science Society of South Africa.
  • Soil Classification Working Group. 1991. Soil classificationa taxonomic system for South Africa. Pretoria: ARC–Institute for Soil, Climate and Water.
  • Statgraphics. 2005. Statgraphics® Centurion XV User Manual. Warrenton: Statpoint Technologies.
  • Szabolcs I. 1997. Salt buildup as a factor of soil degradation. In: Lal R, Blum WEH, Valentin C, Stewart BA (eds), Methods for assessment of soil degradation. Boca Raton: CRC Press. pp 253–264.
  • United States Salinity Laboratory Staff. 1954. Diagnosis and improvement of saline and alkali soils. Agriculture Handbook no. 60. Washington, DC: US Government Printing Office.
  • van der Merwe CR. 1940. Soil groups and subgroups of South Africa. Science Bulletin no. 231, Chemistry Series no. 165. Pretoria: Department of Agricultural Technical Services.
  • van der Watt HvH, van Rooyen TH. 1995. A glossary of soil science (2nd edn). Pretoria: Soil Science Society of South Africa.
  • Williams WT. 1976. Pattern analysis in agricultural science. Amsterdam: Elsevier Scientific Publishing Company.

Reprints and Corporate Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

To request a reprint or corporate permissions for this article, please click on the relevant link below:

Academic Permissions

Please note: Selecting permissions does not provide access to the full text of the article, please see our help page How do I view content?

Obtain permissions instantly via Rightslink by clicking on the button below:

If you are unable to obtain permissions via Rightslink, please complete and submit this Permissions form. For more information, please visit our Permissions help page.