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Published byDoris Lawrence Modified over 9 years ago
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Irrigation NZ “Promote Excellence in Irrigation” Advocacy & Leadership Education & Training Research & Innovation Membership Schemes, User Groups & Individual Irrigators – 60% of NZ’s irrigated area (720,000ha) Technical & Trade – Over 150 service industries (& government)
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WHERE WE IRRIGATE
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CLIMATE CHANGE & DROUGHT Drought Change 1980-1999 to 2030-2049 “Long, dry spells are forecast to double by 2040 as temperatures continue to rise and New Zealand heads towards a more Mediterranean climate”. NIWA 2013
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Existing = 720,000ha Canterbury = 65% Otago = 18% Hawke’s Bay Marlborough Tasman Wairarapa Bay of Plenty Northland Pukekohe Gisborne Manawatu Even West Coast!! Irrigation 30,000 250,000 10,000 50,000 30,000 10,000
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CANTERBURY
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Cost challenge Community infrastructure = increased cost Capital costs ($/ha) – Scheme (off farm)$5,000 - $12,000 – On-farm irrigation$4,000 - $10,000 – On-farm development? Water Charges ($/ha) – Interest & Principal$700 - $1,700 – Scheme operating costs$100 - $500 – Total$800 - $2,200 Additional gross profit required = $1,000/ha
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Making irrigation pay Adding water alone not economic Need to intensify farming system – Higher stocking rate – Higher crop yields – Store => Finishing Irrigation development = rapid change in land ownership and farming systems - – Livestock => intensive cropping – Livestock => dairy farming – Mixed cropping => viticulture or horticulture
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Major hurdle - can I intensify? NPS Freshwater Management 2011 Values, objectives and limits for quantity & quality Allocation for water & nutrients Irrigators need demonstrate operating to a standard – Good Management Practice Accountability – Auditable Farm Environment Plans Creates additional cost to Business-as-Usual
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SMART Irrigation The system can apply water efficientlyThe use of water is justifiedProof of the above is provided Sustainably Managed, Accountable, Responsible and Trusted
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System Can Apply Water Efficiently Developments and upgrades: with INZ Design and Installation Codes and Standards Consistent demonstrate Design Performance Parameters achieved Commissioned annually to ensure it continues to perform efficiently Tested
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Use of Water Demonstrate responsible use annually Justified permit conditions and plan rules Compliance
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Provide Proof The key to SMART Irrigation Quality record keeping = new norm
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Stage Document Training & Qualifications Decision Support Design CoP & Standards Fertigation Guideline Water Measurement Guideline Installation CoP Fertigation Guideline Water Measurement Guideline Commission Guideline Irrigation Resources ‘Irrigation in a Box’ Performance Assessment CoP Design Modules & Certificate Installation Modules Commission Module Operator Modules & Certificate Assessment Modules & Certificate Natural Resource Information Design Accreditation Design Check Installation Contract Quotation Guidelines Commission Template O&M Template SMART platform = Forecasts, Water budgets, Moisture sensors, System constraints Performance Assessment Guidelines Web & App Interface A Co-ordinated Approach Design InstallCommissionOperateAssess
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