Autonomous site-specific irrigation control: the current state and a vision of a future system [Keynote]

Keynote

McCarthy, Alison, Smith, Rod and Gillies, Malcolm. 2014. "Autonomous site-specific irrigation control: the current state and a vision of a future system [Keynote]." Keppell, Mike and Reushle, Shirley (ed.) 2nd Digital Rural Futures Conference 2014. Toowoomba, Australia 25 - 27 Jun 2014 Toowoomba, Australia.
Paper/Presentation Title

Autonomous site-specific irrigation control: the current state and a vision of a future system [Keynote]

Presentation TypeKeynote
AuthorsMcCarthy, Alison (Author), Smith, Rod (Author) and Gillies, Malcolm (Author)
EditorsKeppell, Mike and Reushle, Shirley
Journal or Proceedings TitleProceedings of the 2nd Digital Rural Futures Conference 2014
Year2014
Place of PublicationToowoomba, Australia
ISBN9780646922201
Web Address (URL) of Paperhttps://vimeo.com/user10756933/review/100059418/1db7e7b028
Conference/Event2nd Digital Rural Futures Conference 2014
Event Details
2nd Digital Rural Futures Conference 2014
Event Date
25 to end of 27 Jun 2014
Event Location
Toowoomba, Australia
Abstract

Irrigation decision-making systems can automatically determine irrigation timing and/volume requirements. NCEA has developed control strategies and sensors to automate irrigation management, reduce labour, and improve water productivity and profit. NCEA's control frameworks 'VARIwise' and 'AutoFurrow' incorporate one or a combination of the following: infield sensing of irrigation application, soil-water status and plant growth and fruit load; hydraulic models for irrigation application; crop production models for predicting crop performance under different irrigation scenarios; optimisation procedure for processing data and determining appropriate irrigation control signals; and actuation hardware for application control.
An integrated, real-time, site-specific irrigation control system has been evaluated on a surface irrigation and centre pivot irrigation system on a cotton crop in Jondaryan, QLD in 2011/12 and 2012/13. The control system determined site-specific irrigation application with data from a weather station, soil-water sensors and camera-based crop monitoring sensing systems for vegetation and cotton fruit load. Field trials demonstrated yield improvements of 10-11% and water savings of 5-12 %.
Current field trials are identifying the data input and measurement and actuation spatial resolution requirements for the control strategies; developing and evaluating control strategies which optimise both irrigation and fertigation application to maximise yield; and investigating control strategies based on artificial intelligence. This presentation will provide an overview of the NCEA's current irrigation control research and the envisaged irrigation automation system of the future.

Keywordsautomation; control; agriculture
ANZSRC Field of Research 2020400799. Control engineering, mechatronics and robotics not elsewhere classified
300207. Agricultural systems analysis and modelling
300201. Agricultural hydrology
Public Notes

This publication is copyright. It may be reproduced in whole or in part for the purposes of study, research, or review, but is subject to the inclusion of an acknowledgment of the source.

Byline AffiliationsNational Centre for Engineering in Agriculture
Institution of OriginUniversity of Southern Queensland
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Development and application of process-based simulation models for cotton production: a review of past, present, and future directions
Thorp, K. R., Ale, S., Bange, M. P., Barnes, E. M., Hoogenboom, G., Lascano, R. J., McCarthy, A. C., Nair, S., Paz, J. O., Rajan, N., Reddy, K. R., Wall, G. W. and White, J. W.. 2014. "Development and application of process-based simulation models for cotton production: a review of past, present, and future directions." Journal of Cotton Science. 18 (1), pp. 10-47.
Evaluation of sap flow sensors to measure the transpiration rate of plants during canopy wetting and drying
Uddin, Jasim, Smith, Rod, Hancock, Nigel and Foley, Joseph. 2014. "Evaluation of sap flow sensors to measure the transpiration rate of plants during canopy wetting and drying." Journal of Agricultural Studies. 2 (2), pp. 105-119. https://doi.org/10.5296/jas.v2i2.6134
Hydraulics of large diameter gated flexible fluming
Koech, Richard, Smith, Rod and Gillies, Malcolm. 2013. "Hydraulics of large diameter gated flexible fluming." Biosystems Engineering. 114 (2), pp. 170-177. https://doi.org/10.1016/j.biosystemseng.2012.12.005
Advances in intelligent and autonomous systems to improve irrigation and fertiliser efficiency
Raine, Steven R. and McCarthy, Alison C.. 2014. "Advances in intelligent and autonomous systems to improve irrigation and fertiliser efficiency." Currie, L. D. and Christensen, C. L. (ed.) Nutrient management for the farm, catchment and community. Palmerston North, New Zealand 18 - 20 Feb 2014 Palmerston North, New Zealand.
Water-use efficiency and productivity trends in Australian irrigated cotton: a review
Roth, Guy, Harris, Graham, Gillies, Malcolm, Montgomery, Janelle and Wigginton, David. 2013. "Water-use efficiency and productivity trends in Australian irrigated cotton: a review." Crop and Pasture Science. 64 (12), pp. 1033-1048. https://doi.org/10.1071/CP13315
Modification of the McNeal clay swelling model improves prediction of saturated hydraulic conductivity as a function of applied water quality
Ezlit, Y. D., Bennett, J. McL., Raine, S. R. and Smith, R. J.. 2013. "Modification of the McNeal clay swelling model improves prediction of saturated hydraulic conductivity as a function of applied water quality." Soil Science Society of America Journal. 77 (6), pp. 2149-2156. https://doi.org/10.2136/sssaj2013.03.0097
Real-time, web-enabled adaptive control and monitoring of surface and overhead irrigation systems
McCarthy, Alison, Gillies, Malcolm and Smith, Rod. 2013. "Real-time, web-enabled adaptive control and monitoring of surface and overhead irrigation systems." Lamb, David (ed.) 1st Digital Rural Futures Conference: Smart Farms - Smart Regions (DRF 2013). Armidale, Australia 26 - 28 Jun 2013 Armidale, Australia.
VARIwise simulation of variable-rate irrigation of cotton via adaptive control: first results
McCarthy, Alison, Hancock, Nigel and Raine, Steven. 2010. "VARIwise simulation of variable-rate irrigation of cotton via adaptive control: first results." 15th Australian Cotton Conference 2010: Fashioning the Future. Gold Coast, Australia 10 - 12 Aug 2010 Gold Coast, Australia.
Development of a sensing system for automated cotton fruit load and vegetation estimation
McCarthy, Alison and Hancock, Nigel. 2013. "Development of a sensing system for automated cotton fruit load and vegetation estimation." Whitehouse, Mary (ed.) Inaugural Australian Cotton Research Conference 2013: Stimulating Science in Cotton. Narrabri, Australia 08 - 11 Sep 2013
A review of salinity and sodicity in irrigation
Ezlit, Younes D., Smith, Rod J. and Raine, Steven R.. 2010. A review of salinity and sodicity in irrigation. Toowoomba, Australia. University of Southern Queensland.
Improving irrigation efficiency through precision irrigation in South East Queensland
Eberhard, J., McHugh, A., Scobie, M., Schmidt, E., McCarthy, A., Uddin, Md J., McKeering, L. and Poulter, R.. 2013. Improving irrigation efficiency through precision irrigation in South East Queensland. Toowoomba, Australia. University of Southern Queensland.
Evaporation and sapflow dynamics during sprinkler irrigation of cotton
Uddin, J., Smith, R. J., Hancock, N. H. and Foley, J. P.. 2013. "Evaporation and sapflow dynamics during sprinkler irrigation of cotton." Agricultural Water Management. 125, pp. 35-45. https://doi.org/10.1016/j.agwat.2013.04.001
Real-time adaptive control of furrow irrigation: preliminary results of cotton field trial
McCarthy, Alison, Smith, Rod and Hancock, Nigel. 2012. "Real-time adaptive control of furrow irrigation: preliminary results of cotton field trial." Irrigation Australia Conference (IAL 2012). Adelaide, Australia 24 - 29 Jun 2012 Sydney, Australia.
Real-time model predictive control of surface irrigation for cotton: setup of field trial
McCarthy, Alison, Smith, Rod and Hancock, Nigel. 2012. "Real-time model predictive control of surface irrigation for cotton: setup of field trial." 16th Australian Cotton Conference (ACC 2012): Growing Better all the Time. Gold Coast, Australia 14 - 16 Aug 2012 Gold Coast, Australia.
Precision agriculture technologies for the Australian nut industries
McCarthy, Alison and Jensen, Troy. 2012. "Precision agriculture technologies for the Australian nut industries." 3rd Australian Nut Industry Research Forum (ANIC 2012). Brisbane, Australia 21 Sep 2012 Gold Coast, Australia.
Seepage rate estimation from total channel control data during periods of shut down: preliminary data quality assessment. Case study: Coleambally irrigation system
Shahidi, A. M., Smith, R. and Gillies, M.. 2013. "Seepage rate estimation from total channel control data during periods of shut down: preliminary data quality assessment. Case study: Coleambally irrigation system." Bjornlund, H., Brebbia, C. A. and Wheeler, S. (ed.) 4th International Conference on Sustainable Irrigation and Drainage: Management, Technologies and Policies . Adelaide, Australia 11 - 13 Dec 2012 Southampton, United Kingdom. https://doi.org/10.2495/SI120101
Review of precision irrigation technologies and their application
Smith, R. J., Baillie, J. N., McCarthy, A. C., Raine, S. R. and Baillie, C. P.. 2010. Review of precision irrigation technologies and their application. Toowoomba, Australia. University of Southern Queensland.
Measurement of evapotranspiration during sprinkler irrigation using a precision energy budget (Bowen ratio, eddy covariance) methodology
Uddin, J., Hancock, N. H., Smith, R. J. and Foley, J. P.. 2013. "Measurement of evapotranspiration during sprinkler irrigation using a precision energy budget (Bowen ratio, eddy covariance) methodology." Agricultural Water Management. 116, pp. 89-100. https://doi.org/10.1016/j.agwat.2012.10.008
New approach to estimate the additional water requirements in sprinkler irrigation: a predictive model
Uddin, Jasim, Smith, Rod, Hancock, Nigel and Foley, Joseph. 2012. "New approach to estimate the additional water requirements in sprinkler irrigation: a predictive model." Currey, Anne (ed.) ICID & Irrigation Australia 2012 Conference and Trade Show. Adelaide, Australia 24 - 29 Jun 2012 Sydney, Australia.
A novel technique to measure the total evaporation and its components during sprinkler irrigation
Uddin, Jasim, Smith, Rod, Hancock, Nigel and Foley, Joseph. 2012. "A novel technique to measure the total evaporation and its components during sprinkler irrigation ." Currey, Anne (ed.) ICID & Irrigation Australia 2012 Conference and Trade Show. Adelaide, Australia 24 - 29 Jun 2012 Sydney, Australia.
Advanced process control of irrigation: the current state and an analysis to aid future development
McCarthy, Alison C., Hancock, Nigel H. and Raine, Steven R.. 2013. "Advanced process control of irrigation: the current state and an analysis to aid future development." Irrigation Science. 31 (3), pp. 183-192. https://doi.org/10.1007/s00271-011-0313-1
NPSI/IAL travel fellowship 2010: site-specific irrigation control and sensing systems
McCarthy, Alison. 2011. "NPSI/IAL travel fellowship 2010: site-specific irrigation control and sensing systems." Irrigation Australia. 26 (4), pp. 34-35.
Improved evaluation of bay (and furrow) irrigation
Rojas-Ponce, Samuel, Smith, Rod and Gillies, Malcolm. 2011. "Improved evaluation of bay (and furrow) irrigation." Thompson, Chris (ed.) Irrigation 2011: New Horizons, Fresh Ideas Regional Conference and Exhibition. Launceston, Australia 22 - 25 Aug 2011 Sydney, Australia.
Surface irrigation for energy and water use efficiency
Khatri, Kanya L. and Smith, Rod. 2011. "Surface irrigation for energy and water use efficiency." Thompson, Chris (ed.) Irrigation 2011: New Horizons, Fresh Ideas Regional Conference and Exhibition. Launceston, Australia 22 - 25 Aug 2011 Sydney, Australia.
Evaluating whole field irrigation performance using statistical inference of inter-furrow infiltration variation
Gillies, M. H., Smith, R. J. and Raine, S. R.. 2011. "Evaluating whole field irrigation performance using statistical inference of inter-furrow infiltration variation." Biosystems Engineering. 110 (2), pp. 134-143. https://doi.org/10.1016/j.biosystemseng.2011.07.008
Design of an automatic furrow irrigation system utilising adaptive real-time control
Koech, R. K., Smith, R. J. and Gillies, M. H.. 2011. "Design of an automatic furrow irrigation system utilising adaptive real-time control." Banhazi, T., Saunders, C. and hegarty, R. (ed.) SEAg 2011: Diverse Challenges, Innovative Solutions. Gold Coast, Australia 29 - 30 Sep 2011 Canberra, Australia.
The economics of sprinkler irrigation uniformity for lettuce production with in-season rainfall
Hussain, A., Raine, S. R. and Smith, R. J.. 2009. "The economics of sprinkler irrigation uniformity for lettuce production with in-season rainfall." Banhazi, T. M. and Saunders, C. (ed.) SEAg 2009: Agricultural Technologies In a Changing Climate. Brisbane, Australia 13 - 16 Sep 2009 Brisbane, Queensland.
Evaluation of sap flow sensors to measure the transpiration rate of plants during sprinkler irrigation
Uddin, J., Smith, R. J., Hancock, N. H. and Foley, J.. 2011. "Evaluation of sap flow sensors to measure the transpiration rate of plants during sprinkler irrigation." Banhazi, T., Saunders, C. and Hegarty, R. (ed.) SEAg 2011: Diverse Challenges, Innovative Solutions. Gold Coast, Australia 29 - 30 Sep 2011 Canberra, Australia.
Eddy covariance measurements of the total evaporation during sprinkler irrigation - preliminary results
Uddin, J., Smith, R. J., Hancock, N. H. and Foley, J.. 2011. "Eddy covariance measurements of the total evaporation during sprinkler irrigation - preliminary results." Banhazi, T., Saunders, C. and Hegarty, R. (ed.) SEAg 2011: Diverse Challenges, Innovative Solutions. Gold Coast, Australia 29 - 30 Sep 2011 Canberra, Australia.
Real-time data requirements for model-based adaptive control of irrigation scheduling in cotton
McCarthy, A. C., Hancock, N. H. and Raine, S. R.. 2011. "Real-time data requirements for model-based adaptive control of irrigation scheduling in cotton." Australian Journal of Multi-Disciplinary Engineering. 8 (2), pp. 189-206.
Improved irrigation of cotton via real-time, adaptive control of large mobile irrigation machines
McCarthy, Alison. 2010. Improved irrigation of cotton via real-time, adaptive control of large mobile irrigation machines. PhD Thesis Doctor of Philosophy. University of Southern Queensland.
Estimating the furrow infiltration characteristic from a single advance point
Langat, P. K., Smith, R. J. and Raine, S. R.. 2008. "Estimating the furrow infiltration characteristic from a single advance point." Irrigation Science. 26 (5), pp. 367-374. https://doi.org/10.1007/s00271-008-0102-7
A decision support model for travelling gun irrigation machines
Smith, Rod, Gillies, Malcolm H., Newell, Geoffrey and Foley, Joseph P.. 2008. "A decision support model for travelling gun irrigation machines." Biosystems Engineering. 100 (1), pp. 126-136. https://doi.org/10.1016/j.biosystemseng.2008.01.004
Accounting for temporal inflow variation in the inverse solution for infiltration in surface irrigation
Gillies, Malcolm H., Smith, R. J. and Raine, Steven R.. 2007. "Accounting for temporal inflow variation in the inverse solution for infiltration in surface irrigation ." Irrigation Science. 25 (2), pp. 87-97. https://doi.org/10.1007/s00271-006-0037-9
Real-time prediction of soil infiltration characteristics for the management of furrow irrigation
Khatri, Kanya L. and Smith, R. J.. 2006. "Real-time prediction of soil infiltration characteristics for the management of furrow irrigation." Irrigation Science. 25 (1), pp. 33-43. https://doi.org/10.1007/s00271-006-0032-1
Effect of water quality on soil structure and infiltration under furrow irrigation
Emdad, Mohammad R., Raine, Steven R., Smith, Rod J. and Fardad, Hossein. 2004. "Effect of water quality on soil structure and infiltration under furrow irrigation." Irrigation Science. 23 (2), pp. 55-60. https://doi.org/10.1007/s00271-004-0093-y
Irrigation application efficiency and deep drainage potential under surface irrigated cotton
Smith, R. J., Raine, Steven R. and Minkevich, John. 2005. "Irrigation application efficiency and deep drainage potential under surface irrigated cotton." Agricultural Water Management. 71 (2), pp. 117-130. https://doi.org/10.1016/j.agwat.2004.07.008
Gas sampling efficiencies and aerodynamic characteristics of a laboratory wind tunnel for odour measurement
Sohn, J. H., Smith, R. J., Hudson, N. A. and Choi, H. L.. 2005. "Gas sampling efficiencies and aerodynamic characteristics of a laboratory wind tunnel for odour measurement." Biosystems Engineering. 92 (1), pp. 37-46. https://doi.org/10.1016/j.biosystemseng.2005.05.010
Infiltration parameters from surface irrigation advance and run-off data
Gillies, Malcolm H. and Smith, R. J.. 2005. "Infiltration parameters from surface irrigation advance and run-off data." Irrigation Science. 24 (1), pp. 25-35. https://doi.org/10.1007/s00271-005-0004-x
Automation and control in surface irrigation systems: current status and expected future trends
Koech, Richard, Smith, Rod and Gillies, Malcolm. 2010. "Automation and control in surface irrigation systems: current status and expected future trends." Goh, Steven C. and Wang, Hao (ed.) 2010 Southern Region Engineering Conference (SREC 2010). Toowoomba, Australia 11 - 12 Nov 2010 Toowoomba, Australia.
Simulation modelling in surface irrigation systems
Koech, Richard, Gillies, Malcolm and Smith, Rod. 2010. "Simulation modelling in surface irrigation systems." Goh, Steven C. and Wang, Hao (ed.) 2010 Southern Region Engineering Conference (SREC 2010). Toowoomba, Australia 11 - 12 Nov 2010 Toowoomba, Australia.
Defining precision irrigation: a new approach to irrigation management
Smith, Rod and Baillie, Justine. 2009. "Defining precision irrigation: a new approach to irrigation management." Irrigation Australia 2009: Irrigation Australia Irrigation and Drainage Conference: Irrigation Today - Meeting the Challenge. Swan Hill, Australia 18 - 21 Oct 2009 Sydney, Australia.
VARIwise: a general-purpose adaptive control simulation framework for spatially and temporally varied irrigation at sub-field scale
McCarthy, Alison, Hancock, Nigel and Raine, Steven R.. 2010. "VARIwise: a general-purpose adaptive control simulation framework for spatially and temporally varied irrigation at sub-field scale." Computers and Electronics in Agriculture. 70 (1), pp. 117-128. https://doi.org/10.1016/j.compag.2009.09.011
Head ditch hydraulics and the variability of inflows to irrigation furrows
Smith, R. J. and Gillies, M. H.. 2010. "Head ditch hydraulics and the variability of inflows to irrigation furrows." Irrigation and Drainage. 59 (4), pp. 442-452. https://doi.org/10.1002/ird.495
Droplet evaporation losses during sprinkler irrigation: an overview
Uddin, Jasim, Smith, Rod, Hancock, Nigel and Foley, Joseph P.. 2010. "Droplet evaporation losses during sprinkler irrigation: an overview." Montagu, Kelvin (ed.) Australian Irrigation Conference and Exibition 2010: One Water Many Futures. Sydney, Australia 08 - 10 Jun 2010 Sydney, Australia.
Simulation of adaptive site-specific irrigation control performance with spatially variable rainfall
McCarthy, Alison, Hancock, Nigel and Raine, Steven R.. 2010. "Simulation of adaptive site-specific irrigation control performance with spatially variable rainfall." Montagu, Kelvin (ed.) Australian Irrigation Conference and Exibition 2010: One Water Many Futures. Sydney, Australia 08 - 10 Jun 2010 Sydney, Australia.
Simulation of site-specific irrigation control strategies with sparse input data
McCarthy, Alison, Hancock, Nigel and Raine, Steven R.. 2010. "Simulation of site-specific irrigation control strategies with sparse input data." 17th World Congress of the International Commission of Agricultural and Biosystems Engineering (CIGR 2010): Sustainable Biosystems Through Engineering. Quebec City, Canada 13 - 17 Jun 2010 Quebec, Canada.
Hydraulic characteristics of large diameter gated flexible fluming
Koech, R. K., Smith, R. J. and Gillies, Malcolm H.. 2010. "Hydraulic characteristics of large diameter gated flexible fluming ." Montagu, Kelvin (ed.) Australian Irrigation Conference and Exibition 2010: One Water Many Futures. Sydney, Australia 08 - 10 Jun 2010 Sydney, Australia.
Furrow irrigation in the Australian cotton industry: alternative water delivery systems and their potential for automation
Koech, R. K., Smith, R. J. and Gillies, Malcolm H.. 2010. Furrow irrigation in the Australian cotton industry: alternative water delivery systems and their potential for automation. Toowoomba, Australia. University of Southern Queensland.
Holistic control system design for large mobile irrigation machines
McCarthy, Alison, Hancock, Nigel and Raine, Steven. 2010. "Holistic control system design for large mobile irrigation machines." 16th Annual Conference on Mechatronics and Machine Vision in Practice (M2VIP 2010). Darussalam, Brunei 22 - 24 Jun 2010 Toowoomba, Australia.
Improving performance of bay irrigation through higher flow rates
Gillies, Malcolm, Smith, Rod, Williamson, Bill and Shanahan, Matthew. 2010. "Improving performance of bay irrigation through higher flow rates." Montagu, Kelvin (ed.) Australian Irrigation Conference and Exibition 2010: One Water Many Futures. Sydney, Australia 08 - 10 Jun 2010 Sydney, Australia.
The validation of a simple Gaussian dispersion model for determining odour emission rates from area sources
Galvin, Geordie, Lowe, Scott and Smith, Rod. 2004. "The validation of a simple Gaussian dispersion model for determining odour emission rates from area sources." Developments in Chemical Engineering and Mineral Processing. 12 (5/6), pp. 545-558. https://doi.org/10.1002/apj.5500120509
Quantification of odours from piggery effluent ponds using an electronic nose and an artificial neural network
Sohn, Jae Ho, Smith, Rod, Yoong, Ernest, Leis, John W. and Galvin, Geordie. 2003. "Quantification of odours from piggery effluent ponds using an electronic nose and an artificial neural network." Biosystems Engineering. 86 (4), pp. 399-410. https://doi.org/10.1016/j.biosystemseng.2003.09.003
An evaluation of a novel wind tunnel design applied to the measurement of the kinetics of odour emissions from piggery effluent
Sohn, Jae Ho, Smith, Rod, Yoong, Ernest, Hudson, Neale A. and Kim, Tae I.. 2004. "An evaluation of a novel wind tunnel design applied to the measurement of the kinetics of odour emissions from piggery effluent." Water Science and Technology. 50 (4), pp. 49-55.
Development of a simulation framework for variable-rate irrigation of cotton
McCarthy, Alison, Hancock, Nigel and Raine, Steven R.. 2008. "Development of a simulation framework for variable-rate irrigation of cotton." 14th Australian Cotton Conference: New Beginnings – Cotton in a Climate of Change. Gold Coast, Australia 12 - 14 Aug 2008 Narrabri, NSW, Australia.
Managing spatial and temporal variability in irrigated agriculture through adaptive control
Smith, R. J., Raine, Steven R., McCarthy, Alison and Hancock, Nigel. 2009. "Managing spatial and temporal variability in irrigated agriculture through adaptive control." Australian Journal of Multi-Disciplinary Engineering. 7 (1), pp. 79-90.
Evaluating the performance of bay irrigation in the GMID
Smith, R. J., Gillies, Malcolm H., Shanahan, Matthew, Campbell, B. and Williamson, Bill. 2009. "Evaluating the performance of bay irrigation in the GMID." Irrigation Australia 2009: Irrigation Australia Irrigation and Drainage Conference: Irrigation Today - Meeting the Challenge. Swan Hill, Australia 18 - 21 Oct 2009 Sydney, New South Wales.
Bankless channel irrigation systems: irrigation performance assessment
Grabham, Michael, Hornbuckle, John, Raine, Steven R. and Smith, Rod. 2009. "Bankless channel irrigation systems: irrigation performance assessment." Irrigation Australia 2009: Irrigation Australia Irrigation and Drainage Conference: Irrigation Today - Meeting the Challenge. Swan Hill, Australia 18 - 21 Oct 2009 Sydney, Australia.
Exploration of data requirements for adaptive control of irrigation scheduling
McCarthy, Alison, Hancock, Nigel and Raine, Steven R.. 2009. "Exploration of data requirements for adaptive control of irrigation scheduling." Banhazi, T. M. and Saunders, C. (ed.) SEAg 2009: Agricultural Technologies In a Changing Climate. Brisbane, Australia 13 - 16 Sep 2009 Brisbane, Australia.
Characterisation of the micro-tube emitters used in a novel micro-sprinkler
de Almeida, Ceres Duarte Guedes Cabral, Botrel, Tarlei Arriel and Smith, Rod J.. 2009. "Characterisation of the micro-tube emitters used in a novel micro-sprinkler." Irrigation Science. 27 (3), pp. 209-214. https://doi.org/10.1007/s00271-008-0135-y
Empirical functions for dependent variables in cutback furrow irrigation
Navabian, M., Liaghat, A. M., Smith, R. J. and Abbasi, F.. 2009. "Empirical functions for dependent variables in cutback furrow irrigation." Irrigation Science. 27 (3), pp. 215-222. https://doi.org/10.1007/s00271-008-0138-8
Towards evaluation of adaptive control systems for improved site-specific irrigation of cotton
McCarthy, Alison, Hancock, Nigel and Raine, Steven R.. 2008. "Towards evaluation of adaptive control systems for improved site-specific irrigation of cotton." Irrigation Australia 2008: Irrigation Association of Australia National Conference and Exhibition: Share the Water, Share the Benefits. Melbourne, Australia 20 - 22 May 2008 Hornsby, NSW, Australia.
Measurement and management of furrow irrigation at the field scale
Gillies, Malcolm H., Smith, R. J. and Raine, Steven R.. 2008. "Measurement and management of furrow irrigation at the field scale." Irrigation Australia 2008: Irrigation Association of Australia National Conference and Exhibition: Share the Water, Share the Benefits. Melbourne, Australia 20 - 22 May 2008
Managing the effect of infiltration variability on the performance of surface irrigation
Gillies, Malcolm H.. 2008. Managing the effect of infiltration variability on the performance of surface irrigation. PhD Thesis Doctor of Philosophy. University of Southern Queensland.
Toward a simple real-time control system for efficient management of furrow irrigation
Khatri, Kanya L. and Smith, R. J.. 2007. "Toward a simple real-time control system for efficient management of furrow irrigation." Irrigation and Drainage. 56 (4), pp. 463-475. https://doi.org/10.1002/ird.319
Managing spatial and temporal variability in irrigated agriculture through adaptive control
Smith, R. J., Raine, Steven R., McCarthy, Alison and Hancock, Nigel. 2007. "Managing spatial and temporal variability in irrigated agriculture through adaptive control." Banhazi, T. M. and Saunders, C. (ed.) SEAg 2007: Agriculture and Engineering - Challenge Today, Technology Tomorrow. Adelaide, Australia 24 - 26 Sep 2007 Australia.
Errors in predicting furrow irrigation performance using single measures of infiltration
Langat, Philip K., Raine, Steven R. and Smith, R. J.. 2007. "Errors in predicting furrow irrigation performance using single measures of infiltration." Irrigation Science. 25 (4), pp. 339-349. https://doi.org/10.1007/s00271-006-0049-5
A decision support model for travelling gun irrigation machines
Smith, Rod, Gillies, Malcolm H., Newell, Geoffrey and Foley, Joseph P.. 2007. "A decision support model for travelling gun irrigation machines." CIGR 2006: Agricultural Engineering for a Better World. Bonn, Germany 03 - 07 Sep 2006
Real time control of surface irrigation: managing infiltration variations and enhancing furrow irrigation performance
Khatri, K. L., Smith, R. J. and Raine, Steven R.. 2006. "Real time control of surface irrigation: managing infiltration variations and enhancing furrow irrigation performance." Irrigation Australia 2006: Irrigation Association of Australia National Conference and Exhibition. Brisbane, Australia 09 - 11 May 2006 Brisbane.
Is it possible to extract infiltration rates for variable inflow furrow irrigation?
Gillies, Malcolm H., Smith, R. J. and Raine, Steven R.. 2006. "Is it possible to extract infiltration rates for variable inflow furrow irrigation?" Irrigation Australia 2006: Irrigation Association of Australia National Conference and Exhibition. Brisbane, Australia 09 - 11 May 2006 Hornsby, NSW, Australia.
Simulation of performance for a simple real time control system of furrow irrigation
Khatri, K. L. and Smith, R. J.. 2006. "Simulation of performance for a simple real time control system of furrow irrigation." Lorenzini, G. (ed.) 1st International Conference on Sustainable Irrigation Management, Technologies and Policies. Bologna, Italy 05 - 07 Sep 2006 England.
Process studies of odour emissions from effluent ponds using machine-based odour measurement
Sohn, Jae Ho, Smith, R. J. and Yoong, Ernest. 2006. "Process studies of odour emissions from effluent ponds using machine-based odour measurement." Atmospheric Environment. 40 (7), pp. 1230-1241. https://doi.org/10.1016/j.atmosenv.2005.10.035
Evaluation of methods for determining infiltration parameters from irrigation advance data
Khatri, K. L. and Smith, R. J.. 2005. "Evaluation of methods for determining infiltration parameters from irrigation advance data." Irrigation and Drainage. 54 (4), pp. 467-482. https://doi.org/10.1002/ird.198