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A Code of Practice for the Aerial Application of Fertiliser J Maber, J Maber and Associates Ltd A Gillingham, Gillingham Consulting I Yule, Massey University The Issues Fertilisers are a contaminant under the RMA

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A Code of Practice for the

Aerial Application of Fertiliser

J Maber, J Maber and Associates Ltd

A Gillingham, Gillingham Consulting

I Yule, Massey University


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The Issues

  • Fertilisers are a contaminant under the RMA

  • Regional Council resource management plans deal with discharge of contaminants

  • Rules about fertiliser use apply to different people

  • Rules appear in different plans (eg Air, Water, Natural Resources)


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The Issues (2)

  • The real issue is sustainability

  • A Code of Practice can address sustainability and achieve RMA outcomes

  • Codes of Practice are recognised in NZ law


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Sustainability

(of the aerial operator)

  • Aerial application of fertiliser does not take place in isolation

  • For aerial application of fertiliser to be sustainable, their clients operation must also be sustainable

  • For a farmer, fertiliser is not a contaminant


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Sustainability principles

(of the aerial operator or any other operation)

  • Production - What is the goal?

  • Security - Risk of not achieving?

  • Economic - Profitability?

  • Environmental - Adverse effects?

  • Social - Any people affected?


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Sustainability and a Code of Practice

  • It must be clear to those who must comply with the Code what they have to do

  • What they have to do must be achievable

  • Who wants/needs confirmation on compliance?


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The Code and Sustainability

  • Consistent approach used for each sustainability requirement

  • Based on task identification and responsibility


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The Code and Sustainability

What is the risk?

Who is responsible (for managing that risk?)

What information is needed, and what actions?

What documentation is needed (before and after)?

Are those responsible competent?



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Aerial Fertiliser Application

  • Four parts to the specification:

  • What fertiliser?

  • What application rate?

  • What application site?

  • What application date?



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Example - Fertiliser

What is the risk (to the operator) ?

  • Client dissatisfaction and complaint

  • Incorrect buffer zone set

  • Complaints of dust or poor spreading

  • Incompatible fertiliser and poor spreading/segregation

  • Cost overrun from incorrect CV%


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Conclusions

  • RMA requirements are well established

  • Regional Council rules are based around fertiliser as a contaminant

  • The plans vary greatly, with generic, highly prescriptive rules

  • Codes of practice are recognised under NZ law

  • A Code of Practice can deal with sustainability, which is the real issue


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