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Elements and Performance Criteria
Range Statement
Performance Evidence
Knowledge Evidence
The candidate must demonstrate knowledge of:
capital and operating expenditure calculations to source waterclimatic factors in irrigation development, rainfall, evaporation, evapotranspiration and hydrologyconveyance and disposal of drained effluentcost benefit analysisefficiency of irrigation systems and long-term viabilityenvironmental and energy-use implications of resource utilisation and developmentirrigation drainage, seepage, surface and subsurface drainage systemsirrigation scheduling, soil moisture measurementmanagement planning and operation of water allocationsoperations and maintenance requirementsplant physiology and plant water use, transpiration crop water requirements in terms of water quality and quantityplant water requirements in terms of water quality and frequency of supplyre-use systems, management of irrigation systemssalinity and ionic composition impacts on soil structure and plant growthselection of irrigation systemssoils and water, soil moisture retention and movement, plant root zones and development, infiltration and leachingtypes of irrigation systemswater legislationwater supply potential for the development of irrigation systems