OZCOT: a cotton crop simulation model for management
Selected papers of the MSSA/IMACS 9th Biennial conference on Modeling and simulation
Artificial intelligence: a modern approach
Artificial intelligence: a modern approach
Software design for wireless sensor-based site-specific irrigation
Computers and Electronics in Agriculture
Environmental Modelling & Software
DEPIVOT: A model for center-pivot design and evaluation
Computers and Electronics in Agriculture
Prototyping the visualization of geographic and sensor data for agriculture
Computers and Electronics in Agriculture
Environmental Modelling & Software
Computers and Electronics in Agriculture
Computers and Electronics in Agriculture
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Irrigation control strategies may be used to improve the site-specific irrigation of cotton via lateral move and centre pivot irrigation machines. A simulation framework 'VARIwise' has been created to aid the development, evaluation and management of spatially and temporally varied site-specific irrigation control strategies. VARIwise accommodates sub-field-scale variations in all input parameters using a 1m^2 cell size, and permits application of differing control strategies within the field, as well as differing irrigation amounts down to this scale. In this paper the motivation and objectives for the creation of VARIwise are discussed, the structure of the software is outlined and an example of the use and utility of VARIwise is presented. Three irrigation control strategies have been simulated in VARIwise using a cotton model with a range of input parameters including spatially variable soil properties, non-uniform irrigation application, three weather profiles and two crop varieties. The simulated yield and water use efficiency were affected by the combination of input parameters and the control strategy implemented.