22190 version 1
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Level 4
Credits 10
Purpose This unit standard is for people working in horticulture. People credited with this unit standard are able to plan and monitor a water budget, and operate an irrigation system in a commercial horticulture business.
Subfield Horticulture
Domain
Status
Status date
Date version published
Production Horticulture
Registered
25 July 2006
21 August 2006
Planned review date
Entry information
31 December 2011
Open.
Replacement information
Accreditation
This unit standard replaced unit standard 12396.
Evaluation of documentation and visit by NZQA, industry and teaching professional in the same field from another provider.
Standard setting body (SSB) Primary Industry Training Organisation
Accreditation and Moderation Action Plan (AMAP) reference 0032
This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Special notes
1 Workplace procedures refer to verbal or written instructions to staff on procedures for the worksite and equipment.
2 Legislation relevant to this unit standard includes but is not limited to the Health and
Safety in Employment Act 1992 and the Resource Management Act 1991.
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New Zealand Qualifications Authority 2020

22190 version 1
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Element 1
Plan and monitor a water budget.
Range use of one or more of the following
– evapotranspiration readings, local meteorological instruments, tensiometers.
Performance criteria
1.1 The water holding capacity of a soil is determined in terms of irrigation requirements for crop selected .
1.2 Crop use of water is determined for horticulture crop and recorded on a daily basis in accordance with workplace procedures.
1.3 Readings or instrumentation are recorded on a daily basis in accordance with workplace procedures.
1.4 A water budget is planned and calculated that identifies when to begin irrigating and how much water to apply in accordance with workplace procedures.
1.5 Plant growth and soil water content is recorded in a daily diary for three consecutive months and monitored in accordance with workplace procedures.
Element 2
Operate an irrigation system in a commercial horticulture business.
Performance criteria
2.1 Irrigation equipment is maintained and pre-season maintenance is completed in accordance with workplace procedures.
2.2 Irrigation applications are monitored and altered according to water budget/ plant requirements.
2.3 Irrigation application rates and maintenance are recorded in a daily diary for three consecutive months .
Range records may include but are not limited to – volume of water irrigated, water budget data, crop growth, crop health, maintenance, fertigation, water leaks, crop nutrient deficiencies, blocked emitters.
Please note
Providers must be accredited by the Qualifications Authority, or an inter-institutional body with delegated authority for quality assurance, before they can report credits from assessment against unit standards or deliver courses of study leading to that assessment.
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New Zealand Qualifications Authority 2020

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Industry Training Organisations must be accredited by the Qualifications Authority before they can register credits from assessment against unit standards.
Accredited providers and Industry Training Organisations assessing against unit standards must engage with the moderation system that applies to those standards.
Accreditation requirements and an outline of the moderation system that applies to this standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The
AMAP 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 via their website www.primaryito.ac.nz if you wish to suggest changes to the content of this unit standard.
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New Zealand Qualifications Authority 2020