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Unit of competency details

AHCIRG437 - Schedule irrigations (Release 1)

Summary

Usage recommendation:
Current
Mapping:
MappingNotesDate
Supersedes and is equivalent to AHCIRG408 - Schedule irrigationsPerformance criteria clarified. Foundation skills added. Assessment requirements updated. 20/Oct/2019

Release Status:
Current
Releases:
ReleaseRelease date
1 1 (this release) 21/Oct/2019

Companion volumes:
Unit of competency Assessment requirements

Delivery:
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Training packages that include this unit

Qualifications that include this unit

CodeSort Table listing Qualifications that include this unit by the Code columnTitleSort Table listing Qualifications that include this unit by the Title columnUsage RecommendationRelease
AHC40416 - Certificate IV in HorticultureCertificate IV in HorticultureSuperseded4 
AHC40716 - Certificate IV in Retail NurseryCertificate IV in Retail NurserySuperseded4 
AHC41119 - Certificate IV in Irrigation ManagementCertificate IV in Irrigation ManagementCurrent1-2 
AHC40320 - Certificate IV in Production HorticultureCertificate IV in Production HorticultureCurrent1-2 
AHC40122 - Certificate IV in AgricultureCertificate IV in AgricultureCurrent1 
AHC40620 - Certificate IV in Nursery OperationsCertificate IV in Nursery OperationsCurrent1 
AHC41616 - Certificate IV in Organic FarmingCertificate IV in Organic FarmingSuperseded4-5 
AHC40422 - Certificate IV in HorticultureCertificate IV in HorticultureCurrent1 
AHC40116 - Certificate IV in AgricultureCertificate IV in AgricultureSuperseded5-7 
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Skill sets that include this unit

Classifications

SchemeCodeClassification value
ASCED Module/Unit of Competency Field of Education Identifier 059999 Agriculture, Environmental And Related Studies, N.e.c.  

Classification history

SchemeCodeClassification valueStart dateEnd date
ASCED Module/Unit of Competency Field of Education Identifier 059999 Agriculture, Environmental And Related Studies, N.e.c.  21/Oct/2019 
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Unit of competency

Modification History

Release

Comments

Release 1

This version released with AHC Agriculture, Horticulture, Conservation and Land Management Training Package Version 4.0.

Application

This unit of competency describes the skills and knowledge required to monitor water use, apply a measured amount of water, assess efficacy of irrigation and repeat cycles, record irrigation and scheduling parameters, and plan for extremes of weather to determine irrigation scheduling requirements.

The unit applies to individuals who apply specialised skills and knowledge to irrigation scheduling. This includes applying and communicating non-routine technical solutions to predictable and unpredictable problems.

No licensing, legislative or certification requirements are known to apply to this unit at the time of publication.

Pre-requisite Unit

Nil

Unit Sector

Irrigation (IRG)

Elements and Performance Criteria

Elements

Performance Criteria

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1. Monitor crop and plant water use

1.1 Estimate or measure water use from one or more systems

1.2 Accumulate water as a soil water deficit in the root zone

2. Apply a measured amount of water

2.1 Predict a pre-determined deficit using a scheduling system

2.2 Apply irrigation to partly or fully replace the deficit

2.3 Increase water quantities where appropriate to ensure dilution and transport of toxic solutes below the root zone

3. Assess efficacy of irrigation and repeat cycles of irrigation

3.1 Measure effectiveness of irrigation application with in-field equipment

3.2 Adjust estimated soil moisture level in scheduling system to match in-field measurements

3.3 Recalibrate scheduling system where necessary

3.4 Repeat cycles of irrigation until schedule is correctly established

4. Record irrigation and scheduling parameters

4.1 Record each irrigation and significant rainfall event, plus other appropriate parameters used in scheduling system

4.2 Estimate and record drainage amount below root zone at each irrigation

4.3 Record system performance data

5. Plan for extremes of weather

5.1 Modify estimated deficits to cater for prolonged saturation following heavy rainfall

5.2 Alter shift areas, and where applicable, application rates, to suit appropriate irrigation schedules to minimise frost damage where applicable

5.3 Implement strategies involving prioritising of plants and crops and intermittent irrigation at times of extreme heat

Foundation Skills

This section describes those language, literacy, numeracy and employment skills that are essential for performance in this unit of competency but are not explicit in the performance criteria.

Skill

Description

Reading
  • Identify and interpret information regarding irrigation schedule

Writing
  • Record scheduling system information for each irrigation, significant rainfall events and other appropriate parameters

Numeracy
  • Estimate or measure water use
  • Record water usage, rainfall event and system performance data

Navigate the world of work
  • Identify and describe own workplace requirements, including safety requirements, associated with own role and area of responsibility

Unit Mapping Information

Code and title current version

Code and title previous version

Comments

Equivalence status

AHCIRG437 Schedule irrigations

AHCIRG408 Schedule irrigations

Performance criteria clarified

Foundation skills added

Assessment requirements updated

Equivalent unit

Links

Companion Volumes, including Implementation Guides, are available at VETNet: - https://vetnet.gov.au/Pages/TrainingDocs.aspx?q=c6399549-9c62-4a5e-bf1a-524b2322cf72

 

Assessment requirements

Modification History

Release

Comments

Release 1

This version released with AHC Agriculture, Horticulture, Conservation and Land Management Training Package Version 4.0.

Performance Evidence

An individual demonstrating competency must satisfy all of the elements and performance criteria in this unit. There must be evidence that the individual has scheduled irrigation on at least one occasion and has:

  • monitored crop and plant water use
  • applied a measured amount of water
  • assessed the efficacy of irrigation and repeat cycles of irrigation
  • used and maintained in-field equipment that monitors the plant environment
  • incorporated data from in-field equipment and remote monitoring sources into scheduling systems that compute irrigation requirements
  • recorded irrigation and scheduling parameters
  • planned for extremes of weather.

Knowledge Evidence

An individual must be able to demonstrate the knowledge required to perform the tasks outlined in the elements and performance criteria of this unit. This includes knowledge of:

  • inter-relationship between plant, soil and the environment in the determination of water budgets
  • plant and crop response to moisture stress at different stages of growth
  • recognition of moisture stress effects on plants, including instances where stress may be required
  • physical soil characteristics such as infiltration rate, water holding capacity and wetted volume in the root zone
  • water quality monitoring methods and acceptable quality limits
  • in-field irrigation reticulation performance and capacity limits
  • possible adverse impacts on the crop and environment from inefficient scheduling or unpredictable weather effects
  • weather forecasting of extreme weather events such as heat waves, frosts and storms, and appropriate contingency strategy to minimise impacts.

Assessment Conditions

Assessment of skills must take place under the following conditions:

  • physical conditions:
  • a workplace setting or an environment that accurately represents workplace conditions
  • resources, equipment and materials:
  • irrigation scheduling equipment
  • irrigation in-field measuring equipment and data
  • timeframes:
  • according to the job requirements.

Assessors of this unit must satisfy the requirements for assessors in applicable vocational education and training legislation, frameworks and/or standards.

Links

Companion Volumes, including Implementation Guides, are available at VETNet: - https://vetnet.gov.au/Pages/TrainingDocs.aspx?q=c6399549-9c62-4a5e-bf1a-524b2322cf72

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