Evaluation of the performance of automated bay irrigation of pasture and fodder

Paper


Smith, Rod, Uddin, Jasim and Gillies, Malcolm. 2015. "Evaluation of the performance of automated bay irrigation of pasture and fodder." Irrigation Australia Regional Conference 2015. Sydney, Australia 26 - 28 May 2015 Sydney, Australia.
Paper/Presentation Title

Evaluation of the performance of automated bay irrigation of pasture and fodder

Presentation TypePaper
AuthorsSmith, Rod (Author), Uddin, Jasim (Author) and Gillies, Malcolm (Author)
Journal or Proceedings TitleProceedings of the Irrigation Australia Regional Conference 2015
Number of Pages2
Year2015
Place of PublicationSydney, Australia
Web Address (URL) of Paperhttp://irrigation.org.au/wp-content/uploads/2015/03/IAL-2015_Conference-Program1.pdf
Conference/EventIrrigation Australia Regional Conference 2015
Event Details
Irrigation Australia Regional Conference 2015
Event Date
26 to end of 28 May 2015
Event Location
Sydney, Australia
Abstract

Automation of surface (bay) irrigation is a commercial reality with a number of farms in northern Victoria adopting it for whole or part of their irrigated area. Automation provides increased certainty in irrigation management. However in the absence of appropriate decision support, most of the key decisions, such as the scheduling of irrigations, flow rate and irrigation duration, still rely on the skill of the irrigator. Over the 2013/14 irrigation season the authors were engaged to evaluate the application efficiency of automated bay irrigation. The trial involved 9 farms x 1 bay x multiple irrigations. Flow rate into the bay was inferred from measurements at the supply point to the farm. Irrigation advance down the bay and flow depth were measured at three points down each bay. Soil moisture was monitored continuously at a central point in each trial bay. Data were collected automatically and stored on-line.

The results demonstrated that application efficiencies in excess of 90% are achievable and are being achieved through correct and precise management of the automated irrigation. Four of the farms evaluated in this study are already operating at that level. For another four of the farms strategies have been identified that will raise their efficiency close to or above 90%. On the remaining farm soil limitations preclude improvements in efficiency on the trial bay.

As well a number of not unexpected lessons were learnt from the trial:
1. Excessively long irrigation durations are the principal cause of low efficiencies.
2. Soil moisture data is crucial for the optimal management of irrigated pasture.
3. Pastures are deeper rooted and soils more permeable than local mythology presumes.
4. Waterlogging is a major consequence of inefficient surface irrigated pasture.
5. Less frequent irrigations and shorter durations will reduce water logging and give greater pasture productivity.

Keywordsapplication efficiency, irrigation duration, soil moisture, waterlogging
ANZSRC Field of Research 2020300202. Agricultural land management
Public Notes

Abstract only, as supplied here, published in the Conference Proceedings. No evidence of copyright restrictions preventing deposit.

Byline AffiliationsNational Centre for Engineering in Agriculture
Institution of OriginUniversity of Southern Queensland
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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.
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
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