10948 version 3
28-Jun-16
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FOREST NURSERY
Demonstrate knowledge of ley cropping
in forest nurseries
level:
3
credit:
4
planned review date:
June 2008
sub-field:
Horticulture
purpose:
People credited with this unit standard are able to
demonstrate knowledge of: ley cropping principles; ley crop
establishment, management, and termination in forest
nurseries.
entry information:
Open.
accreditation option:
Evaluation of documentation and visit by NZQA, industry and
teaching professional in the same field from another
provider.
moderation option:
A centrally established and directed national moderation
system has been set up by the Primary Industry Training
Organisation.
special notes:
1
Reference
Competence in this unit standard requires knowledge of
the Rejuvenation of Soil Structure, Knight, P.J. 1981:
The maintenance of productivity in forest nurseries. Pp
48-69 in Chavasse, C.G.R. (Ed.) 'Forest Nursery and
Establishment Practice in New Zealand', Forest
Research Institute Symposium No 22.
2
Legislation relevant to this unit standard includes but is
not limited to the: Health and Safety in Employment Act
1992, and its subsequent amendments.
 New Zealand Qualifications Authority 2016
10948 version 3
28-Jun-16
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FOREST NURSERY
Demonstrate knowledge of ley cropping
in forest nurseries
Elements and Performance Criteria
element 1
Demonstrate knowledge of ley cropping principles in forest nurseries.
performance criteria
1.1
Seed mix components are identified in relation to their attributes as soil
structure improvers.
Range:
perennial rye grass, white clover.
1.2
Organic matter cycling is explained with reference to its effect on the physical
conditions of soil.
1.3
Ley crop and tree crop rotation lengths, and the ratios between them, are listed.
The influence of these factors on soil physical conditions is identified.
element 2
Demonstrate knowledge of ley crop establishment.
performance criteria
2.1
Base fertilisers are applied according to soil test results.
2.2
Seed mixes are made up using strains of pasture species of proven local
performance.
Range:
perennial rye grass, short rotation ryegrass, white clover, other
pasture grasses.
2.3
Sowing rates are those used in local farming practice.
2.4
Ley crop is established using local agricultural pasture establishment practices.
 New Zealand Qualifications Authority 2016
10948 version 3
28-Jun-16
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FOREST NURSERY
Demonstrate knowledge of ley cropping
in forest nurseries
element 3
Demonstrate knowledge of ley crop management.
performance criteria
3.1
Monitoring of ley crop vigour determines mowing frequency.
3.2
Monitoring of ley crop development determines the need for fertiliser
applications.
3.3
Monitoring of soil moisture levels determines the need for irrigation.
element 4
Demonstrate knowledge of ley crop termination.
performance criteria
4.1
Herbicides are selected that effect a complete kill of the ley crop.
Range:
grass species, clover, weed species.
4.2
Agrichemicals are applied in accordance with manufacturers' recommendations
and safety precautions.
4.3
Cultivation practices ensure complete incorporation of ley crop residues.
Comments on this unit standard
Please contact Primary Industry Training Organisation http://www.primaryito.ac.nz if you
wish to suggest changes to the content of this unit standard.
Please Note
Providers must be accredited by the Qualifications Authority or a delegated interinstitutional body before they can register credits from assessment against unit standards
or deliver courses of study leading to that assessment.
Industry Training Organisations must be accredited by the Qualifications Authority before
they can register credits from assessment against unit standards.
 New Zealand Qualifications Authority 2016
10948 version 3
28-Jun-16
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FOREST NURSERY
Demonstrate knowledge of ley cropping
in forest nurseries
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 providers wishing to
develop education and training programmes, such as minimum qualifications for tutors and
assessors, and special resource requirements.
This unit standard is covered by AMAP 0032
http://www.nzqa.govt.nz/site/framework/search.html.
which can
be
accessed at
 New Zealand Qualifications Authority 2016