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Plant sciences, sustainable farming systems and food quality
REVIEW (Open Access)

The Australian Cotton Industry and four decades of deep drainage research: a review

D. M. Silburn A B D , J. L. Foley A , A. J. W. Biggs A , J. Montgomery C and T. A. Gunawardena A
+ Author Affiliations
- Author Affiliations

A Department of Natural Resource and Mines, 203 Tor Street, Toowoomba, Qld 4350, Australia.

B National Centre for Engineering in Agriculture, University of Southern Queensland, West Street, Toowoomba, Qld 4350, Australia.

C NSW Department of Primary Industries, PO Box 209, Moree, NSW 2400, Australia.

D Corresponding author. Email: mark.silburn@dnrm.qld.gov.au

Crop and Pasture Science 64(12) 1049-1075 https://doi.org/10.1071/CP13239
Submitted: 5 July 2013  Accepted: 13 November 2013   Published: 18 November 2013

Journal Compilation © CSIRO Publishing 2013 Open Access CC BY-NC-ND

Abstract

The Australian cotton industry and governments have funded research into the deep-drainage component of the soil–water balance for several decades. Cotton is dominantly grown in the northern Murray–Darling and Fitzroy Basins, using furrow irrigation on cracking clays. Previously, it was held that furrow irrigation on cracking clays was inherently efficient and there was little deep drainage. This has been shown to be simplistic and generally incorrect. This paper reviews global and northern Australian deep-drainage studies in irrigation, generally at point- or paddock-scale, and the consequences of deep drainage.

For furrow-irrigated fields in Australia, key findings are as follows. (i) Deep drainage varies considerably depending on soil properties and irrigation management, and is not necessarily ‘very small’. Historically, values of 100–250 mm year–1 were typical, with 3–900 mm year–1 observed, until water shortage in the 2000s and continued research and extension focussed attention on water-use efficiency (WUE). (ii) More recently, values of 50–100 mm year–1 have been observed, with no deep drainage in drier years; these levels are lower than global values. (iii) Optimisation (flow rate, field length, cut-off time) of furrow irrigation can at least halve deep drainage. (iv) Cotton is grown on soils with a wide range in texture, sodicity and structure. (v) Deep drainage is moderately to strongly related to total rainfall plus irrigation, as it is globally. (vi) A leaching fraction, to avoid salt build-up in the soil profile, is only needed for irrigation where more saline water is used. Drainage from rainfall often provides an adequate leaching fraction. (vii) Near-saturated conditions occur for at least 2–6 m under irrigated fields, whereas profiles are dry under native vegetation in the same landscapes. (viii) Deep drainage leachate is typically saline and not a source of good quality groundwater recharge. Large losses of nitrate also occur in deep drainage.

The consequences of deep drainage for groundwater and salinity are different where underlying groundwater can be used for pumping (fresh water, high yield; e.g. Condamine alluvia) and where it cannot (saline water or low yield; e.g. Border Rivers alluvia). Continuing improvements in WUE are needed to ensure long-term sustainability of irrigated cropping industries. Globally there is great potential for increased production using existing water supplies, given deep drainage of 10–25% of water delivered to fields and WUE of <50%. Future research priorities are to further characterise water movement through the unsaturated zone and the consequences of deep drainage.

Additional keywords: cracking clay, deep percolation, Vertosol, water use efficiency, irrigation.


References

Abbs K, Littleboy M (1998) Recharge estimation for the Liverpool Plains. Australian Journal of Soil Research 36, 335–357.
Recharge estimation for the Liverpool Plains.Crossref | GoogleScholarGoogle Scholar |

Ahmad M, Bastiaanssen WGM, Feddes RA (2002) Sustainable use of groundwater for irrigation: a numerical analysis of the subsoil water fluxes. Irrigation and Drainage 51, 227–241.
Sustainable use of groundwater for irrigation: a numerical analysis of the subsoil water fluxes.Crossref | GoogleScholarGoogle Scholar |

Athavale RN, Chand R, Rangarajan R (1983) Groundwater recharge estimates for two basins in the Deccan Trap Basalt formation. Hydrological Sciences Journal 28, 525–538.
Groundwater recharge estimates for two basins in the Deccan Trap Basalt formation.Crossref | GoogleScholarGoogle Scholar |

Australian Bureau of Statistics (2012) Water use on Australian farms. 2010–11, 4618.0. Australian Bureau of Statistics, Commonwealth of Australia, Canberra, ACT. Available at: www.abs.gov.au

Baillie J, Baillie C, Heinrich N, Murray A (2007) ‘On-farm water use efficiency in the Northern Murray–Darling Basin.’ Developed by National Centre for Engineering in Agriculture University of Southern Queensland, Toowoomba, Qld. Publication No. 03/08. (Murray–Darling Basin Commission: Canberra, ACT)

Biggs AJW, Power RE, Silburn DM, Owens JS, Burton DWG, Hebbard CL (2005) ‘Salinity Audit—Border Rivers and Moonie Catchments, Queensland Murray–Darling Basin.’ Publication No. QNRM05462. (Department of Natural Resources and Mines: Brisbane, Qld)

Biggs AJW, Silburn DM, Power RE, Free D (2006) The Border Rivers catchment—still fresh as a daisy?—Five years on. In ‘Murray–Darling Basin Groundwater Conference’. 18–20 September 2006, Canberra. (Murray–Darling Basin Commission: Canberra, ACT)

Biggs AJW, Silburn DM, Power E (2013) Catchment salt balances in the Queensland Murray–Darling Basin. Journal of Hydrology 500, 104–113.
Catchment salt balances in the Queensland Murray–Darling Basin.Crossref | GoogleScholarGoogle Scholar |

Bos MG, Nugteren J (1990) ‘On irrigation efficiencies.’ Publication No. 19. (International Institute for Land Reclamation and Improvement: Wageningen, The Netherlands)

Brough DM, Silburn DM, Biggs AJW, Wilson PR, Rasiah V, Cresswell RG (2008) Salinity in Queensland—irrigation. In ‘2nd International Salinity Forum’. 31 March-3 April 2008, Adelaide, S. Aust. (CD-ROM) (Australian Government: Canberra, ACT)

Chan KY, Hodgson AS (1981) Moisture regime of a cracking clay soil under furrow irrigated cotton. Australian Journal of Experimental Agriculture and Animal Husbandry 21, 538–542.
Moisture regime of a cracking clay soil under furrow irrigated cotton.Crossref | GoogleScholarGoogle Scholar |

Chand R, Chandra S, Rao VA, Singh VS, Jain SC (2004) Estimation of natural recharge and its dependency on sub-surface geoelectric parameters. Journal of Hydrology 299, 67–83.
Estimation of natural recharge and its dependency on sub-surface geoelectric parameters.Crossref | GoogleScholarGoogle Scholar |

Chapman AL (1984) Preferential flow paths in Cununurra clay and seasonal variation in infiltration rates under rice field ponding at Kimberley Research Station, Ord River Irrigation Area, W.A. Tropical Agronomy Technical Memorandum No. 37. CSIRO Division of Tropical Crops and Pastures, Canberra, ACT.

Connolly RD, Kennedy IR, Silburn DM, Simpson BW, Freebairn DM (1998) Exploring farms design and management options with modelling. In ‘Minimising the impact of pesticides on the riverine environment: key findings from research with the cotton industry’. Occasional Paper No. 23/98. (Eds NJ Schofield, VE Edge) pp. 94–98. (Land and Water Resources Research and Development Corporation: Canberra, ACT)

Connolly RD, Carroll C, Frances J, Silburn DM, Simpson B, Freebairn DM (1999) A simulation study of erosion in the Emerald Irrigation Area. Australian Journal of Soil Research 37, 479–494.
A simulation study of erosion in the Emerald Irrigation Area.Crossref | GoogleScholarGoogle Scholar |

Connolly RD, Kennedy IR, Silburn DM, Simpson B, Freebairn DM (2001) Simulating endosulfan transport in runoff from cotton farms in Australia with the GLEAMS model. Journal of Environmental Quality 30, 702–713.
Simulating endosulfan transport in runoff from cotton farms in Australia with the GLEAMS model.Crossref | GoogleScholarGoogle Scholar | 1:CAS:528:DC%2BD3MXntFWrsLc%3D&md5=3c7a2657979c1cc0730c657fe964916aCAS | 11401260PubMed |

Constable GA, Hearn AB (1980) Irrigation for crops in sub-humid environment. I. The effect of irrigation on the growth and yield of soybean. Irrigation Science 2, 1–12.
Irrigation for crops in sub-humid environment. I. The effect of irrigation on the growth and yield of soybean.Crossref | GoogleScholarGoogle Scholar |

CRDC and ACCRC (1999) ‘Proceedings of the Cotton Industry Water Balance Workshop.’ October 28–29 1999, Toowoomba, Qld. Prepared by Brian Hearn (CRDC), Helen Dugdale (CRDC), Nicky Schick (ACCRC). (Cotton Research and Development Corporation and the Australian Cotton CRC: Narrabri, NSW)

Dafny E, Silburn DM (2013) The hydrogeology of the Condamine River Alluvial Aquifer (Australia)—a critical review. Hydrogeology Journal
The hydrogeology of the Condamine River Alluvial Aquifer (Australia)—a critical review.Crossref | GoogleScholarGoogle Scholar |

Dalgliesh NP, Foale MA (1998) ‘Soil matters. Monitoring soil water and nutrients in dryland farming.’ (Agricultural Production Systems Research Unit/CSIRO: Toowoomba, Qld)

Dalton P (2003) An investigation of in-field irrigation management practices to improve the efficiency of furrow irrigated cotton production systems. Milestone Report No. 3, Research and Development Program, Program 11, Rural Water Use Efficiency Initiative. (National Centre for Engineering in Agriculture, University of Southern Queensland/Dalton Consulting Engineers Pty Ltd: Toowoomba, Qld/Balwyn, Vic.)

Dalton P, Raine S, Broadfoot K (2001) Best management practices for maximising whole farm irrigation efficiency in the cotton industry. Final Report for CRDC Project NEC2C. National Centre for Engineering in Agriculture Publication 179707/2. University of Southern Queensland, Toowoomba, Qld.

Dowling AJ, Thorburn PJ, Ross PJ, Elliot PJ (1991) Estimation of infiltration and deep drainage in a furrow-irrigated sodic duplex soil. Australian Journal of Soil Research 29, 363–375.
Estimation of infiltration and deep drainage in a furrow-irrigated sodic duplex soil.Crossref | GoogleScholarGoogle Scholar |

Dugan JT, Zelt RB (2000) ‘Simulation and analysis of soil-water conditions in the Great Plains and adjacent areas 1951–80.’ Water-Supply Paper No. 2427. (US Geological Survey: Reston, VA)

Dugdale H, Harris G, Neilsen J, Richards D, Roth G, Williams D (Eds) (2004) ‘WATERpak a guide for irrigation management in cotton.’ (Cotton Research and Development Corporation: Narrabri, NSW)

Duncan RA, Bethune MG, Thayalakumaran T, Christen EW, McMahon TA (2008) Management of salt mobilisation in the irrigated landscape – A review of selected irrigation regions. Journal of Hydrology 351, 238–252.
Management of salt mobilisation in the irrigated landscape – A review of selected irrigation regions.Crossref | GoogleScholarGoogle Scholar |

Farbrother HG (1972) Field behaviour of Gezira clay under irrigation. Cotton Grower Review 49, 1–27.

Foley JL, Silburn DM (2013) Physical assessment of the regolith salt and water balance in the Lockyer Valley under irrigation., In ‘Implications of using purified recycled water as an adjunct to groundwater resources for irrigation in the Lockyer Valley’. Section 5. Technical Report No. 103. (Ed. L Wolf) (Urban Water Security Research Alliance: Brisbane, Qld) Available at: www.urbanwateralliance.org.au/

Foley JF, Rassam D, Silburn DM (2003) Conceptual designs for lysimetry on swelling clay soils. In ‘International Soil Tillage Research Organisation (ISTRO) 16th Triennial Conference’. 13–18 July 2003, Brisbane, Qld. pp. 429–434. (University of Queensland: Brisbane, Qld)

Foley JL, Tolmie PE, Silburn DM (2006) Improved measurement of conductivity on swelling clay soils using a modified disc permeameter method. Australian Journal of Soil Research 44, 701–710.
Improved measurement of conductivity on swelling clay soils using a modified disc permeameter method.Crossref | GoogleScholarGoogle Scholar |

Foley JL, Silburn DM, Greve A (2010) Resistivity imaging across native vegetation and irrigated Vertosols of the Condamine catchment—a snapshot of changing regolith water storage. In ‘19th World Congress of Soil Science’. 1–6 August 2010, Brisbane, Qld. pp. 159–162. (International Union of Soil Sciences)

Foley JL, Greve A, Huth N, Silburn DM (2012) Comparison of soil conductivity measured by ERT and EM38 geophysical methods along irrigated paddock transects on Black Vertosol soils. In ‘Proceedings of 16th Agronomy Conference’. 14–18 October 2012, Armidale, NSW. (Ed. I Yunusa) (Australian Society of Agronomy, the Regional Institute: Gosford, NSW)

Gardner EA (1988) Soil water. In ‘Understanding soils and soil data’. Ch. 10. (Ed. IF Fergus) pp. 153–185. (Australian Society of Soil Science Inc. (Qld Branch): Brisbane, Qld)

Gardner EA, Coughlan KJ (1982) Physical factors determining soil suitability for irrigated crop production in the Burdekin–Elliot river area. Technical Report No. 20. Agricultural Chemistry Branch, Queensland Department of Primary Industries, Brisbane, Qld.

Goel PS, Datta PS, Rama Sangal SP, Kumar H, Bahadur P, Sabherwal PK, Tanwar BS (1975) Tritium tracer studies on groundwater recharge in the alluvial deposits of Indo-Gangetic Plains of Western U.P., Punjab and Haryana. In ‘Approaches and methodologies for development of groundwater resources. Proceedings of Indo-German Workshop’. pp. 309–322. (National Geophysical Research Institute: Hyderabad, India)

Goyne PJ, McIntyre GT (2003) Water use efficiency improvement program in Queensland’s cotton industry. In ‘Proceedings Beltwide Cotton Conference’. 6–10 January 2003, Nashville, TN. pp. 1740–1746. (National Cotton Council of America: Cordova, TN)

Grundy MJ, Silburn DM, Chamberlain T (2007) A risk framework for preventing salinity. Environmental Hazards 7, 97–105.
A risk framework for preventing salinity.Crossref | GoogleScholarGoogle Scholar |

Gunawardena TA, McGarry D, Robinson JB, Silburn DM (2011) Deep drainage through Vertosols in irrigated fields measured with drainage lysimeters. Soil Research 49, 343–354.
Deep drainage through Vertosols in irrigated fields measured with drainage lysimeters.Crossref | GoogleScholarGoogle Scholar |

Gunawardena TA, Foley JF, Harris M, Silburn DM, Wolf L (2013) Detailed groundwater monitoring after the 2011 flood. In ‘Implications of using purified recycled water as an adjunct to groundwater resources for irrigation in the Lockyer Valley’. Section 6. Technical Report No. 103. (Ed. L Wolf) (Urban Water Security Research Alliance: Brisbane, Qld)

Gurdak JJ, McMahon PB, Dennehy K, Qi SL (2009) ‘Water quality in the High Plains Aquifer, Colorado, Kansas, Nebraska, New Mexico, Oklahoma, South Dakota, Texas, and Wyoming, 1999–2004.’ Circular No. 1337. (U.S. Geological Survey: Reston, VA)

Harris G (2012) A decade of change in water productivity. In ‘The Australian cotton water story—A decade of research and development’. (Eds J Trindall, G Roth, S Williams, G Harris, D Wigginton) pp. 6–7. (Cotton Catchment Communities CRC Limited, Australian Cotton Research Institute: Narrabri, NSW) Available at: www.cottoncrc.org.au

Hearn AB (1998) Summer rains on Vertisol Plains: A review of cotton irrigation research in Australia. In ‘Water is gold. National Conference’. 19–21 May, Brisbane, Qld. (Irrigation Association, Australia: Sydney)

Hearn B (2000) The science of water balance: Why do we need to know? In ‘Proceedings of the 10th Australian Cotton Conference’. 16–18 August, Brisbane. pp. 351–360. (Australian Cotton Growers’ Research Association Inc.: Orange, NSW)

Hulme PJ, McKenzie DC, Abbott TS, MacLeod DA (1991) Changes in the physical properties of a Vertisol following an irrigation of cotton as influenced by the previous crop. Australian Journal of Soil Research 29, 425–442.
Changes in the physical properties of a Vertisol following an irrigation of cotton as influenced by the previous crop.Crossref | GoogleScholarGoogle Scholar |

Hulugalle N, Weaver T (2000) Leaching in cracking clays. The Australian Cotton Grower 21, 61–63.

Hulugalle NR, Weaver TB, Ghadiri H (2005) A simple method for estimating the value of salt and nutrient leaching in irrigated Vertisols in Australia. Advances in Geoecology 36, 578–588.

Hulugalle NR, Weaver TB, Finlay LA (2010) Soil water storage and drainage under cotton-based cropping systems in a furrow-irrigated Vertisol. Agricultural Water Management 97, 1703–1710.
Soil water storage and drainage under cotton-based cropping systems in a furrow-irrigated Vertisol.Crossref | GoogleScholarGoogle Scholar |

Hulugalle NR, Weaver TB, Finlay LA (2012) Soil water storage, drainage, and leaching in four irrigated cotton-based cropping systems sown in a Vertosol with subsoil sodicity. Soil Research 50, 652–663.
Soil water storage, drainage, and leaching in four irrigated cotton-based cropping systems sown in a Vertosol with subsoil sodicity.Crossref | GoogleScholarGoogle Scholar |

Huth NI, Thorburn PJ, Radford BJ, Thornton CM (2010) Impacts of fertilisers and legumes on N2O and CO2 emissions from soils in subtropical agricultural systems: A simulation study. Agriculture, Ecosystems & Environment 136, 351–357.
Impacts of fertilisers and legumes on N2O and CO2 emissions from soils in subtropical agricultural systems: A simulation study.Crossref | GoogleScholarGoogle Scholar | 1:CAS:528:DC%2BC3cXisFenurk%3D&md5=c3ccb7df6678ad299a168d7925523d98CAS |

ICID (2009) ‘Annual report 2009–10.’ (International Commission of Irrigation and Drainage)

Isbell RF (2002) ‘The Australian Soil Classification.’ Revised edn (CSIRO Publishing: Melbourne)

Jensen ME, Rangeley WR, Dieleman PJ (1990) Irrigation trends in world agriculture. In ‘Irrigation of agricultural crops’. (Eds BA Stewart, DR Nielsen) pp. 32–63. (American Society of Agronomy, Crop Science Society of America, Soil Science Society of America: Madison, WI)

Jolly ID, Williamson DR, Gilfedder M, Walker GR, Morton R, Robinson G, Jones H, Zhang L, Dowling TI, Dyce P, Nathan RJ, Nandakumar N, Clarke R, McNeil V (2001) Historical stream salinity trends and catchment salt balances in the Murray-Darling Basin, Australia. Marine and Freshwater Research 52, 53–63.
Historical stream salinity trends and catchment salt balances in the Murray-Darling Basin, Australia.Crossref | GoogleScholarGoogle Scholar |

Keating BA, Gaydon D, Huth N, Probert ME, Verburg K, Smith CJ, Bond W (2002) Use of modelling to explore the water balance of dryland farming systems in the Murray-Darling Basin, Australia. European Journal of Agronomy 18, 159–169.
Use of modelling to explore the water balance of dryland farming systems in the Murray-Darling Basin, Australia.Crossref | GoogleScholarGoogle Scholar |

Kellet JR, Pearce BR, Coram J, Herczeg AL, Wilkinson K, Cresswell RG (2004) Groundwater. In ‘Salinity investigations using airborne geophysics in the Lower Balonne area, Southern Queensland’. (Eds T Chamberlain, K Wilkinson) pp. 81–138. (Natural Resources and Mines, Bureau of Rural Sciences, CRC Landscapes, Environments and Mineral Exploration, National Action Plan for Salinity and Water Quality: Brisbane, Qld)

Kelly BFJ, Acworth RI, Greve AK (2011) Better placement of soil moisture point measurements guided by 2D resistivity tomography for improved irrigation scheduling. Soil Research 49, 504–512.
Better placement of soil moisture point measurements guided by 2D resistivity tomography for improved irrigation scheduling.Crossref | GoogleScholarGoogle Scholar |

Kelly BFJ, Timms WA, Andersen MS, McCallum AM, Blakers RS, Smith R, Rau GC, Badenhop A, Ludowici K, Acworth RI (2013) Aquifer heterogeneity and response time: the challenge for groundwater management. Crop & Pasture Science 64, 1141–1154.

Kendy E, Gerard‐Marchant P, Walter MT, Zhang Y, Liu C, Steenhuis TS (2003) A soil‐water‐balance approach to quantify groundwater recharge from irrigated cropland in the north China plain. Hydrological Processes 17, 2011–2031.
A soil‐water‐balance approach to quantify groundwater recharge from irrigated cropland in the north China plain.Crossref | GoogleScholarGoogle Scholar |

Kendy E, Zhang YQ, Liu CM, Wang JX, Steenhuis T (2004) Groundwater recharge from irrigated cropland in the North China Plain: Case study of Luancheng County, Hebei Province, 1949–2000. Hydrological Processes 18, 2289–2302.
Groundwater recharge from irrigated cropland in the North China Plain: Case study of Luancheng County, Hebei Province, 1949–2000.Crossref | GoogleScholarGoogle Scholar |

Kurtzman D, Scanlon BR (2011) Groundwater recharge through Vertisols: irrigated cropland vs. natural land, Israel. Vadose Zone Journal 10, 662–674.
Groundwater recharge through Vertisols: irrigated cropland vs. natural land, Israel.Crossref | GoogleScholarGoogle Scholar |

Lane WB (1979) Progress report on Condamine underground investigation to December 1978. Groundwater Branch Report, June 1979. Queensland Water Resources Commission, Brisbane, Qld.

Lin D, Jin M, Liang X, Zhan H (2013) Estimating groundwater recharge beneath irrigated farmland using environmental tracers fluoride, chloride and sulfate. Hydrogeology Journal 21, 1469–1480.
Estimating groundwater recharge beneath irrigated farmland using environmental tracers fluoride, chloride and sulfate.Crossref | GoogleScholarGoogle Scholar |

Lu X, Jin M, van Genuchten MT, Wang B (2011) Groundwater recharge at five representative sites in the Hebei Plain, China. Ground Water 49, 286–294.
Groundwater recharge at five representative sites in the Hebei Plain, China.Crossref | GoogleScholarGoogle Scholar | 1:CAS:528:DC%2BC3MXjtVahsbo%3D&md5=da495e0b5ba56d1ed28df8d3e0eed3deCAS | 20100294PubMed |

Marshall TJ (1944) Physical properties of Ord River soils. In ‘Soil surveys and other related investigations in the Ord River area East Kimberley 1944’. Technical Bulletin No. 80. (Ed. DAW Johnston) pp. 55–61. (Western Australian Department of Agriculture: South Perth, W. Aust.)

Mason WK, Constable GA, Smith RCG (1980) Irrigation for crops in sub-humid environment. II. The water requirement of soybeans. Irrigation Science 2, 13–22.
Irrigation for crops in sub-humid environment. II. The water requirement of soybeans.Crossref | GoogleScholarGoogle Scholar |

McClymont DJ, Smith RJ (1996) Infiltration parameters from optimisation on furrow irrigation advance data. Irrigation Science 17, 15–22.
Infiltration parameters from optimisation on furrow irrigation advance data.Crossref | GoogleScholarGoogle Scholar |

McHugh AD (2003) Sub-surface drip irrigation on a Vertosol under cotton: Increased water use efficiency and reduced off-farm environmental impacts. Report to Cotton Research and Development Corporation, Narrabri, NSW. Department of Natural Resources and Mines, Emerald, Queensland.

McHugh AD, Bhattari S, Lotz G, Midmore DJ (2008) Effects of subsurface drip irrigation rates and furrow irrigation for cotton grown on a vertisol on off-site movement of sediments, nutrients and pesticides. Agronomy for Sustainable Development 28, 507–519.
Effects of subsurface drip irrigation rates and furrow irrigation for cotton grown on a vertisol on off-site movement of sediments, nutrients and pesticides.Crossref | GoogleScholarGoogle Scholar | 1:CAS:528:DC%2BD1cXhsFekurbI&md5=11bff34cc24b1d10edf4f0c7a0f255f8CAS |

McKenzie DC, Abbott TS, Higginson FR (1991) The effect of irrigated crop production on the properties of a sodic Vertisol. Australian Journal of Soil Research 29, 443–453.
The effect of irrigated crop production on the properties of a sodic Vertisol.Crossref | GoogleScholarGoogle Scholar |

McMahon PB, Dennehy KF, Michel RL, Sophocleous MA, Ellett KM, Hurlbut DB (2003) ‘Water movement through thick unsaturated zones overlying the central High Plains aquifer, southwestern Kansas, 2000–2001.’ Water Resources Investigation Report No. 03-4171. (US Geological Survey: Reston, VA)

McMahon PB, Dennehy KF, Bruce BW, Bohlke JK, Michel RL, Gurdak JJ, Hurlbut DB (2006) Storage and transit time of chemicals in thick unsaturated zones under rangeland and irrigated cropland, High Plains, United States. Water Resources Research 42, W03413
Storage and transit time of chemicals in thick unsaturated zones under rangeland and irrigated cropland, High Plains, United States.Crossref | GoogleScholarGoogle Scholar |

Montgomery JF (2003) An investigation of the soil water balance for irrigated cotton and water use efficiency. PhD Thesis, University of New England, Armidale, NSW, Australia.

Montgomery J, Wigginton D (2012) Benchmarking WUE in the Australian cotton industry. In ‘The Australian cotton water story—A decade of research and development’. (Eds J Trindall, G Roth, S Williams, G Harris, D Wigginton) pp. 8–10. (Cotton Catchments Communities CRC, Australian Cotton Research Institute: Narrabri, NSW) Available at: www.cottoncrc.org.au

Moss J, Gordon IJ, Zischke R (2001) Best management practices to minimise below root zone impacts of irrigated cotton. Final Report to the Murray–Darling Basin Commission (Project I6064), March 2001. Department of Natural Resources and Mines, Brisbane, Qld.

Payero JO, Harris G (2007) Benchmarking water management in the Australian cotton industry. Report submitted to the Cotton Catchment Communities CRC. Queensland Department of Primary Industries and Fisheries, Brisbane, Qld.

Pegler D, Foley JL, Silburn DM (2003) Design and construction of an equilibrium tension lysimeter for use in swelling clay soils. In ‘International Soil Tillage Research Organisation (ISTRO) 16th Triennial Conference’. Brisbane, Australia, 13–18 July 2003. pp. 891–896. (University of Queensland: Brisbane, Qld)

Prendergast JB (1995) Soil water bypass and solute transport under irrigated pasture. Soil Science Society of America Journal 59, 1531–1539.
Soil water bypass and solute transport under irrigated pasture.Crossref | GoogleScholarGoogle Scholar | 1:CAS:528:DyaK2MXpvVSqsLg%3D&md5=68ed65727483b36b72843067a8cd1719CAS |

Pyke BA (2007) The impact of high adoption of Bollgard®II cotton on pest management in Australia. In ‘World Cotton Research Conference—4. Cotton: Nature’s High-Tech Fiber’. 10–14 September 2007, Lubbock, TX, USA. (International Cotton Advisory Committee: Washington, DC) Available at: http://wcrc.confex.com/wcrc/2007/techprogram/P1940.HTM

Radford BJ, Silburn DM, Forster B (2009) Soil chloride and deep drainage responses to land clearing for cropping at seven sites in central Queensland, northern Australia. Journal of Hydrology 379, 20–29.
Soil chloride and deep drainage responses to land clearing for cropping at seven sites in central Queensland, northern Australia.Crossref | GoogleScholarGoogle Scholar | 1:CAS:528:DC%2BD1MXhsVanu77F&md5=1123abeaa3907d6b29fdf7445f9eed39CAS |

Raine SR, Foley JP (2001) Application systems for cotton irrigation—are you asking the right questions and getting the answers right? In ‘Growing opportunities. Irrigation 2001 National Conference’. 11–12 July 2001, Toowoomba, Qld. (Irrigation Association of Australia: Sydney)

Raine SR, Foley JP (2002) Comparing systems for cotton irrigation. The Australian Cottongrower 23, 30–35.

Reddy JM, Jumaboev K, Matyakubov B, Eshmuratov D (2013) Evaluation of furrow irrigation practices in Fergana Valley of Uzbekistan. Agricultural Water Management 117, 133–144.
Evaluation of furrow irrigation practices in Fergana Valley of Uzbekistan.Crossref | GoogleScholarGoogle Scholar |

Ringrose-Voase AJ, Nadelko AJ (2013) Deep drainage in a Grey Vertosol under furrow-irrigated cotton. Crop & Pasture Science 64, 1155–1170.

Ringrose-Voase AJ, Young RR, Paydar Z, Huth NI, Bernardi AL, Cresswell HP, Keating BA, Scott JF, Stauffacher M, Banks RG, Holland JF, Johnston RM, Green TW, Gregory LJ, Daniells I, Farquharson R, Drinkwater RJ, Heidenreich S, Donaldson S (2003) Deep drainage under different land uses in the Liverpool Plains catchment., Report No. 3. NSW Agriculture, Orange, NSW

Roack DM, Healy DF (1998) ‘Quantification of deep percolation from two flood-irrigated alfalfa fields, Roswell Basin, New Mexico.’ Water Resources Investigation Report No. 98-4096. p. 32. (US Geological Survey: Reston, VA)

Robinson JB, Silburn DM, Rattray D, Freebairn DM, Biggs AJW, McClymont D, Christodoulou N (2010) Modelling shows that the high rates of deep drainage in parts of the Goondoola Basin in semi-arid Queensland can be reduced with changes to the farming systems. Australian Journal of Soil Research 48, 58–68.
Modelling shows that the high rates of deep drainage in parts of the Goondoola Basin in semi-arid Queensland can be reduced with changes to the farming systems.Crossref | GoogleScholarGoogle Scholar |

Roth G (2006) ‘Towards sustainable and profitable water use in the Australian Cotton Industry.’ (Cotton Catchment Communities CRC: Narrabri, NSW)

Roth G, Harris G, Gillies M, Montgomery J, Wigginton D (2013) Water-use efficiency and productivity trends in Australian irrigated cotton: a review. Crop & Pasture Science 64, 1033–1048.

Scanlon BR, Reedy RC, Stonestrom DA, Prudic DE, Dennehy KF (2005) Impact of land use and land cover change on groundwater recharge and quality in the southwestern US. Global Change Biology 11, 1577–1593.
Impact of land use and land cover change on groundwater recharge and quality in the southwestern US.Crossref | GoogleScholarGoogle Scholar |

Scanlon BR, Jolly IM, Sophocleous M, Zhang L (2007a) Global impacts of conversions from natural to agricultural ecosystems on water resources: Quantity versus quality. Water Resources Research 43, W03437
Global impacts of conversions from natural to agricultural ecosystems on water resources: Quantity versus quality.Crossref | GoogleScholarGoogle Scholar |

Scanlon BR, Reedy RC, Tachovsky JA (2007b) Semiarid unsaturated zone chloride profiles: Archives of past land use change impacts on water resources in the southern High Plains, United States. Water Resources Research 43, W064239
Semiarid unsaturated zone chloride profiles: Archives of past land use change impacts on water resources in the southern High Plains, United States.Crossref | GoogleScholarGoogle Scholar |

Scanlon BR, Reedy RC, Gates JB (2010a) Effects of irrigated agroecosystems: 1. Quantity of soil water and groundwater in the southern High Plains, Texas. Water Resources Research 46, W09537

Scanlon BR, Gates JB, Reedy RC, Jackson A, Bordovsky J (2010b) Effects of irrigated agroecosystems: 2. Quality of soil water and groundwater in the southern High Plains, Texas. Water Resources Research 46, W09538

Shaw RJ (1995) A unified soil property and sodicity model of salt leaching and water movement. PhD Thesis, University of Queensland, Brisbane, Qld, Australia.

Shaw RJ, Thorburn PJ (1985) Prediction of leaching fraction from soil properties, irrigation water and rainfall. Irrigation Science 6, 73–83.
Prediction of leaching fraction from soil properties, irrigation water and rainfall.Crossref | GoogleScholarGoogle Scholar |

Shaw RJ, Yule DF (1978) The assessment of soils for irrigation, Emerald, Queensland. Agricultural Chemistry Branch, Technical Report No. 13. Queensland Department of Primary Industries, Brisbane, Qld.

Silburn DM, Montgomery J (2004) Deep drainage under irrigated cotton in Australia—A review. In ‘WATERpak: a guide for irrigation management in cotton’. Section 2.4. pp. 29–40. (Cotton Research and Development Corporation, Australian Cotton Cooperative Research Centre: Narrabri, NSW)

Silburn DM, Simpson B, Kennedy IR, Connolly RD (1997) Soil erosion in the Australian cotton industry. In ‘Proceedings Cropping Systems Forum’. 4 December 1997, Narrabri, NSW. (Eds I Rochester, H Dugdale, D Anthony) pp. 30–36. (Cotton Research and Development Corporation: Narrabri, NSW)

Silburn DM, Waters DK, Connolly RD, Simpson BW, Kennedy IR (1998) Techniques for stabilising soil erosion on cotton farms. In ‘Minimising the impact of pesticides on the riverine environment: key findings from research with the cotton industry’. Occasional Paper No. 23/98. (Eds NJ Schofield, VE Edge) pp. 99–105. (Land and Water Resources Research and Development Corporation: Canberra, ACT)

Silburn DM, Vervoort RW, Schick N (2004) ‘Deep drainage—so what?’ Part A. Report on the 2nd Northern Murray–Darling Water Balance Workshop. 19–20 November 2003, Narrabri, NSW. (online) (Cotton Research and Development Corporation: Narrabri, NSW)

Silburn DM, Robinson JB, Freebairn DF (2007) Why restore marginal cropland to permanent pasture? Land resource and environmental issues. Tropical Grasslands 41, 139–153.

Silburn DM, Biggs AJW, Owens JS, Tolmie PE, Foley JL, Cresswell RG (2008) Salinity in Queensland—hydrologic change from soils to catchments. In ‘2nd International Salinity Forum’. 31 March–3 April 2008, Adelaide, S. Aust. (CD-ROM) (Australian Government: Canberra, ACT)

Silburn DM, Cowie BA, Thornton CM (2009) The Brigalow Catchment Study revisited: effects of land development on deep drainage determined from non-steady chloride profiles. Journal of Hydrology 373, 487–498.
The Brigalow Catchment Study revisited: effects of land development on deep drainage determined from non-steady chloride profiles.Crossref | GoogleScholarGoogle Scholar | 1:CAS:528:DC%2BD1MXot1eltb4%3D&md5=8df0b8036b613c8e84f31a1571b80881CAS |

Silburn DM, Foley JF, Robinson B, Biggs AWB (2010) Capturing our understanding of soil water balance and deep drainage under irrigation in models—a basis of design of efficient farming and for assessing impacts on catchments. Final Report for Project No. 2.01.02 to Cotton CRC and Cotton Research and Development Corporation. Cotton Research and Development Corporation, Narrabri, NSW.

Silburn DM, Tolmie PE, Biggs AJW, Whish JPM, French V (2011) Deep drainage rates of Grey Vertosols depend on land use in semi-arid subtropical regions of Queensland. Soil Research 49, 424–438.
Deep drainage rates of Grey Vertosols depend on land use in semi-arid subtropical regions of Queensland.Crossref | GoogleScholarGoogle Scholar |

Silburn DM, Montgomery J, McGarry D, Gunawardena T, Foley J, Ringrose-Voase A, Nadelko (2013) ‘Deep drainage under irrigated cotton in Australia—A review.’ WATERpak Chapter 1.5. (Cotton Research and Development Corporation: Narrabri, NSW)

Smedema L (2000) ‘Irrigation-induced river salinization: Five major irrigated basins in the arid zone.’ (International Water Management Institute (IWMI): Colombo, Sri Lanka)

Smith AJ (2008) Rainfall and irrigation controls on groundwater rise and salinity risk in the Ord River Irrigation Area, northern Australia. Hydrogeology Journal 16, 1159–1175.
Rainfall and irrigation controls on groundwater rise and salinity risk in the Ord River Irrigation Area, northern Australia.Crossref | GoogleScholarGoogle Scholar |

Smith RJ, Raine SR, Minkevich J (2005) Irrigation application efficiency and deep drainage potential under surface irrigated cotton. Agricultural Water Management 71, 117–130.
Irrigation application efficiency and deep drainage potential under surface irrigated cotton.Crossref | GoogleScholarGoogle Scholar |

Soil Survey Staff (1999) ‘Soil Taxonomy: A basic system of soil classification for making and interpreting soil surveys.’ Agriculture Handbook. 2nd edn (USDA-Natural Resources Conservation Service: Washington, DC)

Sophocleous M (2005) Groundwater recharge and sustainability in the High Plains aquifer in Kansas, USA. Hydrogeology Journal 13, 351–365.
Groundwater recharge and sustainability in the High Plains aquifer in Kansas, USA.Crossref | GoogleScholarGoogle Scholar | 1:CAS:528:DC%2BD2MXkt1Sgt74%3D&md5=f2da469e4fe13c272cbab2f6b2f81b48CAS |

Sukhija BS, Reddy DV, Nagabhushanam P, Hussain S, Giri VY, Patil DJ (1996) Environmental and injected tracers methodology to estimate direct precipitation recharge to a confined aquifer. Journal of Hydrology 177, 77–97.
Environmental and injected tracers methodology to estimate direct precipitation recharge to a confined aquifer.Crossref | GoogleScholarGoogle Scholar | 1:CAS:528:DyaK28Xitl2lu7c%3D&md5=9dfa520fc4bcba3885dd1dc5855924b0CAS |

Tennakoon SB, Milroy SP (2003) Crop water use and water use efficiency on irrigated cotton farms in Australia. Agricultural Water Management 61, 179–194.
Crop water use and water use efficiency on irrigated cotton farms in Australia.Crossref | GoogleScholarGoogle Scholar |

Thorburn PJ, Rose CW, Shaw RJ, Yule DF (1987) SODICS: a program to calculate solute dynamics in irrigated clay soils. In ‘Landscape, soil and water salinity. Bundaberg Regional Salinity Workshop’. April 1987, Bundaberg, Qld. Conference and Workshop Series QC87001. pp. B12-1–B12-9. (Queensland Department of Primary Industries: Brisbane, Qld)

Thorburn PJ, Rose CW, Shaw RJ, Yule DF (1990) Interpretation of solute profile dynamics in irrigated soils. I Mass balance approaches. Irrigation Science 11, 199–207.
Interpretation of solute profile dynamics in irrigated soils. I Mass balance approaches.Crossref | GoogleScholarGoogle Scholar |

Tolmie PE, Silburn DM (2002) Estimates of deep drainage from a range of land uses in the Queensland Murray-Darling Basin. II. Using chloride profiles. In ‘FutureSoils. Australian Society of Soil Science National Conference’. University of Western Australia. (Eds D Williamson, C Tang, A Rate) pp. 170–171. (Australian Society of Soil Science Inc.: Perth, W. Aust.)

Tolmie PE, Silburn DM (2003) ‘Estimating deep drainage in the Queensland Murray-Darling Basin. Review of past research.’ Report No. QNRME04100. (Department of Natural Resources and Mines: Brisbane, Qld)

Tolmie PE, Silburn DM, Biggs AJW (2003) ‘Estimating deep drainage in the Queensland Murray-Darling Basin using soil chloride.’ Report No. QNRM03020. (Department of Natural Resources and Mines: Brisbane, Qld)

Tolmie PE, Silburn DM, Biggs AJW (2011) Deep drainage and soil salt loads in the Queensland Murray–Darling Basin using soil chloride. Comparison of land uses. Soil Research 49, 408–423.
Deep drainage and soil salt loads in the Queensland Murray–Darling Basin using soil chloride. Comparison of land uses.Crossref | GoogleScholarGoogle Scholar |

Trindall J, Roth G, Williams S, Harris G, Wigginton D (Eds) (2012) ‘The Australian cotton water story—A decade of research and development.’ (Cotton Catchments Communities CRC, Australian Cotton Research Institute: Narrabri, NSW) Available at: www.cottoncrc.org.au

USSL (1954) ‘Diagnosis and improvement of saline and alkali soils.’ Handbook No. 60. (United States Department of Agriculture: Washington, DC)

Walker G (1998) Using soil water tracers to estimate recharge. In ‘The basics of recharge and discharge 7’. (Eds L Zhang, GR Walker) (CSIRO Publishing: Melbourne)

Walker GR, Jolly ID, Cook PG (1991) A new chloride leaching approach to the estimation of diffuse recharge following a change in land use. Journal of Hydrology 128, 49–67.
A new chloride leaching approach to the estimation of diffuse recharge following a change in land use.Crossref | GoogleScholarGoogle Scholar |

Walker GR, Zhang L, Ellis TW, Hatton TJ, Petheram C (2002) Estimating impacts of changed land use on recharge: review of modelling and other approaches appropriate for management of dryland salinity. Hydrogeology Journal 10, 68–90.
Estimating impacts of changed land use on recharge: review of modelling and other approaches appropriate for management of dryland salinity.Crossref | GoogleScholarGoogle Scholar |

Wang B, Jin M, Nimmo JR, Yang L, Wang W (2008) Estimating groundwater recharge in Hebei Plain, China under varying land use practices using tritium and bromide tracers. Journal of Hydrology 356, 209–222.
Estimating groundwater recharge in Hebei Plain, China under varying land use practices using tritium and bromide tracers.Crossref | GoogleScholarGoogle Scholar | 1:CAS:528:DC%2BD1cXnslKksro%3D&md5=19b14fb2cf2bb6a4f998f2986093c5bbCAS |

Weaver TB, Hulugalle NR, Ghadiri H (2002) Measuring deep drainage and nutrient leaching under irrigated cotton. In ‘Proceedings of the 11th Australian Cotton Conference’. (Australian Cotton Growers’ Research Association: Orange, NSW)

Weaver TB, Hulugalle NR, Ghadiri H (2005) Comparing deep drainage estimated with transient and steady state assumptions in irrigated vertisols. Irrigation Science 23, 183–191.
Comparing deep drainage estimated with transient and steady state assumptions in irrigated vertisols.Crossref | GoogleScholarGoogle Scholar |

Weaver TB, Hulugalle NR, Ghadiri H, Harden S (2013) Quality of drainage water under irrigated cotton in Vertisols of the lower Namoi Valley, New South Wales, Australia. Irrigation and Drainage 62, 107–114.
Quality of drainage water under irrigated cotton in Vertisols of the lower Namoi Valley, New South Wales, Australia.Crossref | GoogleScholarGoogle Scholar |

Wigginton D (2012) Measuring to improve water storage efficiency. In ‘The Australian cotton water story—A decade of research and development’. (Eds J Trindall, G Roth, S Williams, G Harris, D Wigginton) pp. 13–15. (Cotton Catchments Communities CRC, Australian Cotton Research Institute: Narrabri, NSW) Available at: www.cottoncrc.org.au

Willis TM, Black AS (1996) Irrigation increases groundwater recharge in the Macquarie Valley. Australian Journal of Soil Research 34, 837–847.
Irrigation increases groundwater recharge in the Macquarie Valley.Crossref | GoogleScholarGoogle Scholar |

Willis T, Black AS, Meyer WS (1997) Estimates of deep percolation beneath cotton in the Macquarie Valley. Irrigation Science 17, 141–150.
Estimates of deep percolation beneath cotton in the Macquarie Valley.Crossref | GoogleScholarGoogle Scholar |

Yee Yet JS, Silburn DM (2003) Deep drainage estimates under a range of land uses in the Queensland Murray–Darling Basin using water balance modelling. Report No. QNRM03021. (Department of Natural Resources and Mines: Brisbane, Qld)

Young R, McLeod M (2001) Estimation of historic deep drainage under grassed woodland, lucerne pastures and cropped paddocks in the upper Liverpool Plains catchment using the SODICS model. In ‘Update of research in progress at the Tamworth Centre for Crop Improvement 2001’. (Ed. B Martin) pp. 107–110. (NSW Agriculture: Tamworth, NSW)

Young R, Huth N, Harden S, McLeod R (In press) Deep drainage and salt mobilisation under continuous cropping and native vegetation on alluvial clays in semi arid Eastern Australia. Soil Research In press.

Yule DF (1997) Irrigation. In ‘Sustainable crop production in the sub-tropics: an Australian perspective’. (Eds AL Clarke, PB Wylie) Information Series QI97035, Ch. 17. pp. 271–288. (Queensland Department of Primary Industries: Brisbane, Qld)

Zischke R, Gordon I (2000) Addressing the issues of root zone salinity and deep drainage under irrigated cotton. In ‘Proceedings of the 10th Australian Cotton Conference’. 16–18 August, Brisbane, Qld. pp. 371–377. (Australian Cotton Growers’ Research Association: Orange, NSW)