Technical Report to Support HortNZ Submission to PC 1 Healthy Rivers

Technical Report to support HortNZ Submission on Plan Change 1 Healthy Rivers.


Freshwater quality and eco-verification of kiwifruit orchard practices

The purpose of this report is to inform discussions relating to the impact of kiwifruit production on freshwater values, particularly freshwater quality.

The report has been prepared by Jayson Benge – The AgriBusiness Group

Brent Clothier – The New Zealand Institute for Plant & Food Research Limited


Nutrient Performance and Financial Analysis of Horticultural Systems in the Waimea Catchment


This report was commissioned by Horticulture NZ (HortNZ) because it was felt that there is a need to further develop our knowledge of the Nutrient Performance and the financial impact of adopting mitigation techniques in order to minimise the impact of leaching of nutrients for Horticultural growers operating within the Waimea Catchment in the Nelson District.


Nitrogen estimation and the proposed Waikato 75th percentile rule for vegetable cropping

This discussion document is written in response to the existing Rule 7 in the CSG Overview of the stakeholder group’s recommendations. In this rule it requires the vegetable sector to provide the WRC with benchmarked nitrogen outputs using Overseer and to achieve all producers to achieve the 75 percentile Rule.


Expansion of lifestyle blocks and urban areas onto high-class land: an update for planning and policy

Expansion of lifestyle blocks and urban areas onto high-class land: an update for planning and policy, by R Andrew and JR Dymond, Landcare Research, Palmerston North New Zealand. Published in the Journal of the Royal Society of New Zealand, 2012.


Auckland Covered Crops - Auckland Land Use Nitrogen Load

A map showing Nitrogen load in Auckland. For access to the high-resolution version, please contact Eve Williams Eve.Williams@hortnz.co.nz .


Catchment Nitrogen Allocation Assessment July 2014

This study assesses the application of the following six different allocation options provided in the ‘Strawman
Options’ to the Tukituki, Selwyn Waihora and Rotorua catchments.


Commercial Vegetable Production - Horowhenua Growing Region Field Trip

A presentation by Rabobank in May 2014 on the commercial vegetable production of the Horowhenua growing region.


Ground water resources of the Pukekohe/Tuakau area, North Waikato Region

Ground water resources of the Pukekohe/Tuakau area, North Waikato Region. Presented by Dr Tony Petch.