Dr Pichu Rengasamy

Pichu Rengasamy
Senior Research Fellow
School of Agriculture, Food and Wine
Faculty of Sciences

Dr Rengasamy is a Senior Research Fellow in the School of Agriculture, Food and Wine. He is involved in research activities related to soil salinity, soil sodicity and dispersivity, soil processes affecting crop production in salt-affected soils, abiotic stress in alkaline soils, subsoil constraints and the role of exchangeable cations in soil structural stability.

Connect With Me

Dr Pichu Rengasamy

Dr Rengasamy is a Senior Research Fellow in the School of Agriculture, Food and Wine. He is involved in research activities related to soil salinity, soil sodicity and dispersivity, soil processes affecting crop production in salt-affected soils, abiotic stress in alkaline soils, subsoil constraints and the role of exchangeable cations in soil structural stability.

Appointments

Date Position Institution name
2015 Senior Research Fellow The University of Adelaide

Awards and Achievements

Date Type Title Institution Name Amount
2014 Soil Science Australia Fellowship Soil Science Australia

Language Competencies

Language Competency
English Can read, write, speak, understand spoken and peer review

Education

Date Institution name Country Title
Indian Agricultural Research Institute (ICAR), New Delhi India Ph.D.

Postgraduate Training

Date Title Institution Country
M.Sc., Ph.D. Indian Agricultural Research Institute (ICAR), New Delhi India

Keywords

Soil Chemistry, Soil Degradation, Soil Sciences

Journals

Date Citation
2016 Rengasamy,P, Tavakkoli,E, McDonald,G, 2016, Exchangeable cations and clay dispersion: net dispersive charge, a new concept for dispersive soil, European Journal of Soil Science, 67, 5, 659-665 10.1111/ejss.12369
2016 Marchuk,S, Churchman,J, Rengasamy,P, 2016, Possible effects of irrigation with wastewater on the clay mineralogy of some Australian clayey soils: Laboratory study, Soil Research, 54, 7, 857-868 10.1071/SR14373
2016 Fraser,M, Churchman,G, Chittleborough,D, Rengasamy,P, 2016, Effect of plant growth on the occurrence and stability of palygorskite, sepiolite and saponite in salt-affected soils on limestone in South Australia, Applied Clay Science, 124-125, 183-196 10.1016/j.clay.2016.02.012
2016 Rengasamy,P, 2016, Soil chemistry factors confounding crop salinity tolerance - A review, Agronomy, 6, 4, 53-1-53-11 10.3390/agronomy6040053
2016 Rengasamy,P, 2016, Soil salinization, Oxford Research Encyclopedia of Environmental Science, OnlinePubl, 1-33 10.1093/acrefore/9780199389414.013.65
2015 Tavakkoli,E, Rengasamy,P, Smith,E, Mcdonald,G, 2015, The effect of cation-anion interactions on soil pH and solubility of organic carbon, European Journal of Soil Science, 66, 6, 1054-1062 10.1111/ejss.12294
2014 Setia,R, Rengasamy,P, Marschner,P, 2014, Effect of mono- and divalent cations on sorption of water-extractable organic carbon and microbial activity, Biology and Fertility of Soils, 50, 5, 727-734 10.1007/s00374-013-0888-1
2014 Brautigan,DJ, Rengasamy,P, Chittleborough,DJ, 2014, Amelioration of alkaline phytotoxicity by lowering soil pH, Crop and Pasture Science, 65, 12, 1278-1287 10.1071/CP13435
2013 Marchuk,A, Rengasamy,P, McNeill,A, 2013, Influence of organic matter, clay mineralogy, and pH on the effects of CROSS on soil structure is related to the zeta potential of the dispersed clay, Soil Research, 51, 1, 34-40 10.1071/SR13012
2013 Setia,R, Rengasamy,P, Marschner,P, 2013, Effect of exchangeable cation concentration on sorption and desorption of dissolved organic carbon in saline soils, Science of the Total Environment, 465, 226-232 10.1016/j.scitotenv.2013.01.010
2012 Marchuk,A, Rengasamy,P, McNeill,A, Kumar,A, 2012, Nature of the clay-cation bond affects soil structure as verified by X-ray computed tomography, Soil Research, 50, 8, 638-644 10.1071/SR12276
2012 Tavakkoli,E, Paull,J, Rengasamy,P, McDonald,G, 2012, Comparing genotypic variation in faba bean (Vicia faba L.) in response to salinity in hydroponic and field experiments, Field Crops Research, 127, 99-108 10.1016/j.fcr.2011.10.016
2012 Tavakkoli,E, Fatehi,F, Rengasamy,P, McDonald,G, 2012, A comparison of hydroponic and soil-based screening methods to identify salt tolerance in the field in barley, Journal of Experimental Botany, 63, 10, 3853-3868 10.1093/jxb/ers085
2012 Marchuk,A, Rengasamy,P, 2012, Threshold electrolyte concentration and dispersive potential in relation to CROSS in dispersive soils, Soil Research, 50, 6, 473-481 10.1071/SR12135
2012 Brautigan,D, Rengasamy,P, Chittleborough,D, 2012, Aluminium speciation and phytotoxicity in alkaline soils, Plant and Soil, 360, 1-2, 187-196 10.1007/s11104-012-1232-5
2011 Tavakkoli,E, Fatehi,F, Coventry,S, Rengasamy,P, McDonald,G, 2011, Additive effects of Na⁺ and Cl⁻ ions on barley growth under salinity stress, Journal of Experimental Botany, 62, 6, 2189-2203 10.1093/jxb/erq422
2011 Marchuk,A, Rengasamy,P, 2011, Clay behaviour in suspension is related to the ionicity of clay-cation bonds, Applied Clay Science, 53, 4, 754-759 10.1016/j.clay.2011.05.019
2011 Rengasamy,P, Marchuk,A, 2011, Cation ratio of soil structural stability (CROSS), Soil Research, 49, 3, 280-285 10.1071/SR10105
2010 Rengasamy,P, 2010, Osmotic and ionic effects of various electrolytes on the growth of wheat, Australian Journal of Soil Research, 48, 2, 120-124 10.1071/SR09083
2010 Tavakkoli,E, Rengasamy,P, McDonald,G, 2010, High concentrations of Na⁺ and Cl⁻ ions in soil solution have simultaneous detrimental effects on growth of faba bean under salinity stress, Journal of Experimental Botany, 61, 15, 4449-4459 10.1093/jxb/erq251
2010 Tavakkoli,E, Rengasamy,P, McDonald,G, 2010, The response of barley to salinity stress differs between hydroponics and soil systems, Functional Plant Biology, 37, 7, 621-633 10.1071/FP09202
2010 Rengasamy,P, 2010, Soil processes affecting crop production in salt-affected soils, Functional Plant Biology, 37, 7, 613-620 10.1071/FP09249
2010 Elgharably,A, Marschner,P, Rengasamy,P, 2010, Wheat growth in a saline sandy loam soil as affected by N form and application rate, Plant and Soil, 328, 1-2, 303-312 10.1007/s11104-009-0110-2
2008 Rengasamy,P, 2008, Salinity in the landscape: A growing problem in Australia, Geotimes, 53, 3, 34-39
2006 Rengasamy,P, 2006, World salinization with emphasis on Australia, Journal of Experimental Botany, 57, 5, 1017-1023 10.1093/jxb/erj108
2004 Harris,M, Rengasamy,P, 2004, Sodium affected subsoils, gypsum, and green-manure: Inter-actions and implications for amelioration of toxic red mud wastes, Environmental Geology, 45, 8, 1118-1130 10.1007/s00254-004-0970-y
2003 Rengasamy,P, Chittleborough,D, Helyar,K, 2003, Root-zone constraints and plant-based solutions for dryland salinity, Plant and Soil, 257, 2, 249-260 10.1023/A:1027326424022
2003 Ma,G, Rengasamy,P, Rathjen,A, 2003, Phytotoxicity of aluminium to wheat plants in high-pH solutions, Australian Journal of Experimental Agriculture, 43, 5, 497-501 10.1071/EA01153
2002 Surapaneni,A, Olsson,K, Burrow,D, Beecher,H, Ham,G, Stevens,R, Hulugalle,N, Mckenzie,D, Rengasamy,P, 2002, Tatura Sodicity Conference: knowledge gaps in sodicity research for major agricultural industries, Australian Journal of Experimental Agriculture, 42, 3, 379-387 10.1071/EA02044
2002 Greene,R, Eggleton,R, Rengasamy,P, 2002, Relationships between clay mineralogy and the hardsetting properties of soils in the Carnarvon horticultural district of Western Australia, Applied Clay Science, 20, 4-5, 211-223 10.1016/S0169-1317(01)00073-4
2002 Rengasamy,P, 2002, Transient salinity and subsoil constraints to dryland farming in Australian sodic soils: an overview, Australian Journal of Experimental Agriculture, 42, 3, 351-361 10.1071/EA01111
2001 Valzano,F, Greene,R, Murphy,B, Rengasamy,P, Jarwal,S, 2001, Effects of gypsum and stubble retention on the chemical and physical properties of a sodic grey Vertosol in western Victoria, Australian Journal of Soil Research, 39, 6, 1333-1347 10.1071/SR00045
1997 Chorom,M, Rengasamy,P, 1997, Carbonate chemistry, pH, and physical properties of an alkaline sodic soil as affected by various amendments, Australian Journal of Soil Research, 35, 149-161
1997 Tisdall,J, Smith,S, Rengasamy,P, 1997, Aggregation of soil by fungal hyphae, Australian Journal of Soil Research, 35, 1, 55-60 10.1071/S96065
1996 Rengasamy,P, McLeod,A, Ragusa,S, 1996, Effects of dispersible soil clay and algae on seepage prevention from small dams, Agricultural Water Management, 29, 2, 117-127 10.1016/0378-3774(95)01196-X
1996 Barzegar,A, Oades,J, Rengasamy,P, 1996, Soil structure degradation and mellowing of compacted soils by saline-sodic solutions, Soil Science Society of America Journal, 60, 2, 583-588 10.2136/sssaj1996.03615995006000020035x
1995 Barzegar,A, Rengasamy,P, Oades,J, 1995, Effects of clay type and rate of wetting on the mellowing of compacted soils, Geoderma, 68, 1, 39-49 10.1016/0016-7061(95)00022-G
1995 Barzegar,A, Oades,J, Rengasamy,P, Murray,R, 1995, Tensile strength of dry, remoulded soils as affected by properties of the clay fraction, Geoderma, 65, 1, 93-108 10.1016/0016-7061(94)00028-9
1995 Chorom,M, Rengasamy,P, 1995, Dispersion and zeta potential of pure clays as related to net particle charge under varying pH, electrolyte concentration and cation type, European Journal of Soil Science, 46, 4, 657-665 10.1111/j.1365-2389.1995.tb01362.x

Books

Date Citation
1995 Rengasamy,P, 1995, Australian Sodic Soils. Distribution, Properties and Management, CSIRO Publications

Book Chapters

Date Citation
2006 Rengasamy,P, 2006, Soil salinity and sodicity, CSIRO Publishing, Collingwood, Vic, pp. 125-138
2002 Rengasamy,P, 2002, Sodic Soils, Marcel Dekker Inc, New York, pp. 1210-1212
2002 Rengasamy,P, 2002, Processes, characteristics and classification of sodic soils, Marcel Dekker Inc, New York, pp. 1221-1223
1998 Rengasamy,P, Sumner,M, 1998, Processes involved in sodic behavior, Oxford University Press, pp. 35-50
1998 Sumner,M, Rengasamy,P, Naidu,R, 1998, Sodic soils: a reappraisal, Oxford University Press, pp. 3-17
1997 Rengasamy,P, 1997, Sodic soils, CRC Press, pp. 265-277
1995 Rengasamy,P, Olsson,K, 1995, Irrigation and sodicity: a review, CSIRO Publications, pp. 195-204
1995 Naidu,R, Rengasamy,P, 1995, Ion interactions and constraints to plant nutrition in Australian sodic soils, CSIRO Publications, pp. 127-138
1995 Olsson,K, Cockroft,B, Rengasamy,P, 1995, Improving and managing subsoil structure for high productivity from temperate crops on beds, CRC Press, pp. 35-65
1995 Naidu,R, Rengasamy,P, De Lacy,N, Zarcinas,B, 1995, Soil solution composition of some sodic soils, CSIRO Publications, pp. 155-162

Conference Papers

Date Citation
2010 Fraser,M, Churchman,G, Chittleborough,D, Rengasamy,P, 2010, Artificial drainage affects the physico-chemical properties of salt-affected heavy clay soils in the Upper South East of South Australia, World Congress of Soil Science (WCSS), Brisbane, Australia
2010 Tavakkoli,E, Jones,B, Coventry,S, Rengasamy,P, McDonald,G, 2010, On-farm assessment of sub-soil salinity and sodicity constraints to barley production in southern Australia, Australian Agronomy Conference (AAC), Lincoln, New Zealand
2010 Marchuk,A, Rengasamy,P, 2010, Cation ratio of soil structural stability (CROSS), World Congress of Soil Science (WCSS), Brisbane, Queensland
2008 Tavakkoli,E, Rengasamy,P, McDonald,G, 2008, A critical analysis of osmotic and ionic effects of salinity in two barley cultivars, Australian Agronomy Conference (AAC), Adelaide, South Australia
Position
Senior Research Fellow
Phone
83137418
Fax
8313 6511
Campus
Waite - CSIRO
Building
Prescott Building
Room Number
3 09
Org Unit
School of Agriculture, Food and Wine

top