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.
|2015||Senior Research Fellow||The University of Adelaide|
|2014||Fellowship||Soil Science Australia Fellowship||Soil Science Australia|
|English||Can read, write, speak, understand spoken and peer review|
|Indian Agricultural Research Institute (ICAR), New Delhi||India||Ph.D.|
|M.Sc., Ph.D.||Indian Agricultural Research Institute (ICAR), New Delhi||India|
|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.
|2016||Rengasamy, P. (2016). Soil chemistry factors confounding crop salinity tolerance - A review. Agronomy, 6, 4, 53-1-53-11.
|2016||Rengasamy, P. (2016). Soil salinization. Oxford Research Encyclopedia of Environmental Science, OnlinePubl, 1-33.
|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.
|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.
|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.
|2014||Brautigan, D. J., Rengasamy, P. & Chittleborough, D. J. (2014). Amelioration of alkaline phytotoxicity by lowering soil pH. Crop and Pasture Science, 65, 12, 1278-1287.
|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.
|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.
|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.
|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.
|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.
|2012||Brautigan, D., Rengasamy, P. & Chittleborough, D. (2012). Aluminium speciation and phytotoxicity in alkaline soils. Plant and Soil, 360, 1-2, 187-196.
|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.
|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.
|2011||Rengasamy, P. & Marchuk, A. (2011). Cation ratio of soil structural stability (CROSS). Soil Research, 49, 3, 280-285.
|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.
|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.
|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.
|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.
|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.
|2010||Rengasamy, P. (2010). Soil processes affecting crop production in salt-affected soils. Functional Plant Biology, 37, 7, 613-620.
|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.
|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.
|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.
|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.
|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.
|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.
|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.
|2002||Surapaneni, A., Olsson, K., Burrow, D., Beecher, H., Ham, G., Stevens, R. ... Rengasamy, P. (2002). Tatura Sodicity Conference: knowledge gaps in sodicity research for major agricultural industries. Australian Journal of Experimental Agriculture, 42, 3, 379-387.
|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.
|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.
|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.
|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.
|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.
|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.
|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.
|1995||Rengasamy, P. (1995). Australian Sodic Soils. Distribution, Properties and Management. CSIRO Publications.|
|2006||Rengasamy, P. (2006). Soil salinity and sodicity. In Daryl Stevens (Ed.), Growing crops with reclaimed wastewater (pp. 125-138). Collingwood, Vic: CSIRO Publishing.|
|2002||Rengasamy, P. (2002). Processes, characteristics and classification of sodic soils. In Encyclopedia of Soil Science (pp. 1221-1223). New York: Marcel Dekker Inc.|
|2002||Rengasamy, P. (2002). Sodic Soils. In Encyclopedia of Soil Science (pp. 1210-1212). New York: Marcel Dekker Inc.|
|1998||Rengasamy, P. & Sumner, M. (1998). Processes involved in sodic behavior. In Sodic soils: distribution, properties, management, and environmental consequences, 1998 (pp. 35-50). Oxford University Press.|
|1998||Sumner, M., Rengasamy, P. & Naidu, R. (1998). Sodic soils: a reappraisal. In Sodic soils: distribution, properties, management, and environmental consequences, 1998 (pp. 3-17). Oxford University Press.|
|1997||Rengasamy, P. (1997). Sodic soils. In Methods for assessment of soil degradation, 1997 (pp. 265-277). CRC Press.|
|1995||Olsson, K., Cockroft, B. & Rengasamy, P. (1995). Improving and managing subsoil structure for high productivity from temperate crops on beds. In Subsoil Management Techniques, 1995 (pp. 35-65). CRC Press.|
|1995||Naidu, R., Rengasamy, P., De Lacy, N. & Zarcinas, B. (1995). Soil solution composition of some sodic soils. In Australian sodic soils: distribution, properties and management, 1995 (pp. 155-162). CSIRO Publications.|
|1995||Naidu, R. & Rengasamy, P. (1995). Ion interactions and constraints to plant nutrition in Australian sodic soils. In Australian sodic soils: distribution, properties and management, 1995 (pp. 127-138). CSIRO Publications.|
|1995||Rengasamy, P. & Olsson, K. (1995). Irrigation and sodicity: a review. In Australian sodic soils: distribution, properties and management, 1995 (pp. 195-204). CSIRO Publications.|
|2010||Marchuk, A. & Rengasamy, P. (2010). Cation ratio of soil structural stability (CROSS). World Congress of Soil Science (WCSS). Brisbane, Queensland.|
|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||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.|
|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.|