NZQA registered unit standard
28935 version 1
Page 1 of 3
Title
Carry out irrigation system scheduling on a daily and seasonal basis
for an irrigation site
Level
4
Credits
5
Purpose
This unit standard is for people working in the irrigation
industry, and recognises the knowledge and skills required to
carry out irrigation scheduling in a cost effective way for an
agricultural or horticultural property, sports turf, or public
ground.
Classification
Water Industry > Irrigation
Available grade
Achieved
Explanatory notes
1
All regulations including Resource Management Act 1991, Building Act 2004, Health
and Safety and Employment Act 1992, National Policy Statement for Freshwater
Management 2014 and any other relevant legislation is followed.
2
The following technical publications are referenced and adhered to:
Irrigation New Zealand Technical Glossary
Irrigation New Zealand Irrigation Essentials, Irrigation New Zealand, ISBN 978-0-47324115-5
Irrigation New Zealand Irrigation Management, Irrigation New Zealand, ISBN 9780473-24118-6
Available from the Irrigation New Zealand website, http://irrigationnz.co.nz/
3
Definitions
Irrigation event – this is the application of water to a prescribed area over a
prescribed period of time
Seasonal progress – the seasonal management of applying finite water resources
Outcomes and evidence requirements
Outcome 1
Analyse irrigation site characteristics and conditions.
Range
a minimum of three different site characteristics and conditions should be
recorded.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28935 version 1
Page 2 of 3
Evidence requirements
1.1
Identifies relevant site conditions.
Range
soil, crop, moisture levels, evapotranspiration rate.
1.2
Identifies prevailing weather forecast conditions.
1.3
Identifies system and management constraints in relation to site conditions and
in accordance with the Irrigation New Zealand Irrigation Essentials.
Outcome 2
Schedule irrigation events and identify they will impact on the seasonal progress of the
irrigation schedule.
Evidence requirements
2.1
Calculates depth of water to apply for an irrigation event and schedule the event
in accordance with Irrigation New Zealand Irrigation Management.
2.2
Time irrigation scheduling events to reflect best advantage of naturally occurring
seasonal weather patterns in accordance with Irrigation New Zealand Irrigation
Management.
2.3
Carries out irrigation scheduling over a season in accordance with Irrigation
New Zealand Irrigation Management.
Outcome 3
Carry out a cost benefit analysis for applying water during an irrigation event and decide a
course of action.
Evidence requirements
3.1
Calculates the cost of applying water for an irrigation event in accordance with
Irrigation New Zealand Irrigation Management and Irrigation New Zealand
Irrigation Essentials.
3.2
Analyses the benefit of water application to the crop in accordance with the
Irrigation New Zealand Irrigation Management and Irrigation New Zealand
Irrigation Essentials.
3.3
Decides a course of action that reflects the best outcome in relation to the
results of the cost benefit analysis in accordance with Irrigation New Zealand
Irrigation Management and the Irrigation New Zealand Irrigation Essentials.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
28935 version 1
Page 3 of 3
Replacement information
This unit standard replaced unit standard 20958 and 20957
Planned review date
31 December 2020
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
20 August 2015
N/A
Consent and Moderation Requirements (CMR) reference
0179
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the (CMR). The CMR also includes useful information
about special requirements for organisations wishing to develop education and training
programmes, such as minimum qualifications for tutors and assessors, and special
resource requirements.
Comments on this unit standard
Please contact the Primary Industry Training Organisation standards@primaryito.ac.nz if
you wish to suggest changes to the content of this unit standard.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016