Managing spatial and temporal variability in irrigated agriculture through adaptive control

Smith, R. J. and Raine, Steven R. and McCarthy, Alison and Hancock, Nigel (2007) Managing spatial and temporal variability in irrigated agriculture through adaptive control. In: SEAg 2007: Agriculture and Engineering - Challenge Today, Technology Tomorrow, 23-26 Sept 2007, Adelaide, Australia.

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Abstract

[Abstract]: Spatial variability in crop production occurs as a result of spatial and temporal variations in soil
structure and fertility; soil physical, chemical and hydraulic properties; irrigation applications; pests
and diseases; and plant genetics. It is argued that this variability can be managed and the efficiency
of irrigation water use increased by spatially variable application of irrigation water to meet the specific needs of individual management zones (areas of crop whose properties are relatively homogenous). The prospects for spatially varied irrigation applications and the need for adaptive control of irrigation application systems are identified. Current work at USQ directed toward adaptive control of furrow irrigation and centre pivot and lateral move machines is described.

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Item Type:	Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)
Refereed:	No
Item Status:	Live Archive
Additional Information:	No evidence of copyright restrictions on web site.
Faculty/School / Institute/Centre:	Historic - Faculty of Engineering and Surveying - Department of Agricultural, Civil and Environmental Engineering (Up to 30 Jun 2013)
Faculty/School / Institute/Centre:	Historic - Faculty of Engineering and Surveying - Department of Agricultural, Civil and Environmental Engineering (Up to 30 Jun 2013)
Date Deposited:	03 Mar 2008 04:45
Last Modified:	02 Jul 2013 22:59
Uncontrolled Keywords:	real-time control, furrow irrigation, centre pivot machines, lateral move machines
Fields of Research (2008):	07 Agricultural and Veterinary Sciences > 0799 Other Agricultural and Veterinary Sciences > 079901 Agricultural Hydrology (Drainage, Flooding, Irrigation, Quality, etc.) 07 Agricultural and Veterinary Sciences > 0703 Crop and Pasture Production > 070302 Agronomy
Fields of Research (2020):	30 AGRICULTURAL, VETERINARY AND FOOD SCIENCES > 3002 Agriculture, land and farm management > 300201 Agricultural hydrology 30 AGRICULTURAL, VETERINARY AND FOOD SCIENCES > 3004 Crop and pasture production > 300403 Agronomy
URI:	http://eprints.usq.edu.au/id/eprint/3912

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