Influence of lime and gypsum on long-term rehabilitation of a Red Sodosol, in a semi-arid environment of New South Wales

Article

Bennett, J. McL., Greene, R. S. B., Murphy, B. W., Hocking, P. and Tongway, D.. 2014. "Influence of lime and gypsum on long-term rehabilitation of a Red Sodosol, in a semi-arid environment of New South Wales." Soil Research. 52 (2), pp. 120-128. https://doi.org/10.1071/SR13118
Article Title

Influence of lime and gypsum on long-term rehabilitation of a Red Sodosol, in a semi-arid environment of New South Wales

ERA Journal ID5248
Article CategoryArticle
AuthorsBennett, J. McL. (Author), Greene, R. S. B. (Author), Murphy, B. W. (Author), Hocking, P. (Author) and Tongway, D. (Author)
Journal TitleSoil Research
Journal Citation52 (2), pp. 120-128
Number of Pages9
Year2014
PublisherCSIRO Publishing
ISSN0004-9573
1446-568X
1838-675X
1838-6768
Digital Object Identifier (DOI)https://doi.org/10.1071/SR13118
Abstract

This paper determines the influence of lime and gypsum on the rehabilitation of a degraded sodic soil in a semi-arid environment 12 years after application. The aim was to assess alternate rehabilitation strategies for sodic soils to the application of gypsum alone. An experimental site where lime and gypsum combinations (L0G0 – lime 0 t ha-1 and gypsum 0 t ha-1, L0G1, L0G2.5, L0G5, L1G0, L2.5G0, L5G0, L1G1, and L2.5G1) had been applied 12 years prior in 1994 was used. An earlier study had reported on the effects after 3 years of the chemical ameliorants and tillage on a range of soil physical and chemical properties at the site. However, this current study, sampled in 2006, assessed the effects after 12 years of lime and gypsum on soil chemistry, stability, hydraulics, vegetative growth and soil respiration. Calcium, primarily from lime, was observed to have a major effect on soil health. Significant effects on soil chemistry were limited to increases in exchangeable calcium and decreases in exchangeable magnesium, although aggregate stability in water and hydraulic conductivity were significantly improved where L5G0 was applied. Vegetation patch width, total nitrogen and carbon, and soil respiration were significantly improved where lime had been added at 2.5 or 5 t/ha. As no lime could be detected in the soil 12 years after application, it was deduced that lime had acted as a catalyst for increased functionality in soil and vegetation interactions. This increased soil functionality resulted in an increased rate of lime dissolution in the soil.

Keywordsgypsum, lime, rehabilitation, sodicity, soil health, soil structure
ANZSRC Field of Research 2020410601. Land capability and soil productivity
300202. Agricultural land management
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Byline AffiliationsNational Centre for Engineering in Agriculture
Australian National University
Department of Natural Resources, New South Wales
No affiliation
Institution of OriginUniversity of Southern Queensland
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Bennett, J. McL. and Cattle, S. R.. 2012. "The role of landholder education in adoption of soil health management systems." Birkett, L. L. and Sparrow, L. A. (ed.) 5th Joint Australian and New Zealand Soil Science Conference (SSA 2012): Soil Solutions for Diverse Landscapes. Hobart, Australia 02 - 07 Dec 2012 Melbourne, Australia.
Threshold electrolyte concentration relationships for soils from Macarthur River
Bennett, J. McL., Raine, S. R. and Eberhard, F.. 2012. Threshold electrolyte concentration relationships for soils from Macarthur River. Towoomba, Australia. University of Southern Queensland.
Threshold electrolyte concentration relationships for soils from Roma fields Roleen property
Bennett, J. McL., Raine, S. R. and Eberhard, F.. 2012. Threshold electrolyte concentration relationships for soils from Roma fields Roleen property. Towoomba, Australia. University of Southern Queensland.
The impact of rain water on soil pore networks following irrigation with saline-sodic water
Awedat, A. M., Bennett, J. McL., Raine, S. R. and Misra, R. K.. 2012. "The impact of rain water on soil pore networks following irrigation with saline-sodic water." Birkett, Lucy and Sparrow, Leigh (ed.) 5th Joint Australian and New Zealand Soil Science Conference (SSA 2012): Soil Solutions for Diverse Landscapes. Hobart, Australia 02 - 07 Dec 2012 Melbourne, Australia.
Influence of porosity and permeate suspended clay concentration on clay entrainment within a red ferrosol
Awedat, A. M., Raine, S. R., Bennett, J. McL. and Misra, R. K.. 2012. "Influence of porosity and permeate suspended clay concentration on clay entrainment within a red ferrosol." Birkitt, Lucy and Sparrow, Leigh (ed.) 5th Joint Australian and New Zealand Soil Science Conference (SSA 2012): Soil Solutions for Diverse Landscapes. Hobart, Australia 02 - 07 Dec 2012 Melbourne, Australia.
The soil specific nature of threshold electrolyte concentration analysis
Bennett, J. McL. and Raine, S. R.. 2012. "The soil specific nature of threshold electrolyte concentration analysis." Birkett, L. L. and Sparrow, L. A. (ed.) 5th Joint Australian and New Zealand Soil Science Conference (SSA 2012): Soil Solutions for Diverse Landscapes. Hobart, Australia 02 - 07 Dec 2012 Hobart, Australia.
Modified threshold electrolyte concentration analysis for soils from Greenacres
Bennett, J. McL. and Raine, S. R.. 2011. Modified threshold electrolyte concentration analysis for soils from Greenacres . Toowoomba, Australia. University of Southern Queensland.
Environmental effects of applying coal seam gas associated water to unsealed roads for dust suppression: final report
Bennett, J. McL. and Raine, S. R.. 2011. Environmental effects of applying coal seam gas associated water to unsealed roads for dust suppression: final report. Toowoomba, Australia. University of Southern Queensland.
Effect of applying feedlot effluent pond water on the permeability of soils: final report
Bennett, J. McL., Dalby, T. and Raine, S. R.. 2011. Effect of applying feedlot effluent pond water on the permeability of soils: final report. Toowoomba, Australia. University of Southern Queensland.
Threshold electrolyte concentration relationships for soils from property A and B
Bennett, J., Raine, S. and Eberhard, F.. 2011. Threshold electrolyte concentration relationships for soils from property A and B. Toowoomba, Australia. University of Southern Queensland.
Threshold electrolyte concentration relationships for soils from Roleen, Tantatton, Pine Ridge, Ben Bow and Oakleigh
Bennett, J., Raine, S. and Eberhard, F.. 2011. Threshold electrolyte concentration relationships for soils from Roleen, Tantatton, Pine Ridge, Ben Bow and Oakleigh. Toowoomba, Australia. University of Southern Queensland.
Threshold electrolyte concentration relationships for soils from the Fairview IR5, IR7 and IR8 irrigation areas
Raine, S. R. and Bennett, J.. 2011. Threshold electrolyte concentration relationships for soils from the Fairview IR5, IR7 and IR8 irrigation areas. Toowoomba, Australia. University of Southern Queensland.
Effect of applying feedlot effluent pond water on the permeability of soils: interim report
Bennett, J., Dalby, T. and Raine, S.. 2011. Effect of applying feedlot effluent pond water on the permeability of soils: interim report. Toowoomba, Australia. University of Southern Queensland.
Measuring rate of change of oxygen concentration and intrinsic oxidation rate in a pile of material
Bennett, John, Stepanyants, Yury and Ritchie, Ian. 2004. Measuring rate of change of oxygen concentration and intrinsic oxidation rate in a pile of material. WO 2004/072636 A1
Viability of lime and gypsum use in mitigating sodicity in an irrigated vertosol
Bennett, John and Cattle, Stephen. 2010. "Viability of lime and gypsum use in mitigating sodicity in an irrigated vertosol." Gilkes, Robert J. and Prakongkep, Nattaporn (ed.) 19th World Congress of Soil Science (WCSS 2010): Soil Solutions for a Changing World. Brisbane, Australia 01 - 06 Aug 2010 Melbourne, Australia.