Reports & research

Rootstock survival for New Zealand orchards

October 2023

HortNZ commissioned Plant and Food Research to model the rootstock survival irrigation requirements of apple trees in a range of New Zealand regions.

PDF, 3.6 MB.

Review of District Plan Frost Fan Provisions

August 2022

This review outlines the different rules and provisions for frost fans across various districts, with a focus on those districts that have horticultural industry reliant on frost protection for their crops.

PDF, 827 KB.

Agricultural greenhouse gas emissions and carbon sequestration from a range of perennial horticultural crops

July 2021

HortNZ commissioned Plant & Food Research to examine the potential carbon sequestration across ten different orchard types in New Zealand, and shelterbelts.

PDF, 794 KB.

The health and health system cost impacts of increasing vegetables prices over time

August 2020

A University of Otago study on the health and health system cost impacts of increasing vegetable prices over time.

PDF, 1.1 MB.

NPSFM Horticulture Mapping and DIN-E Coli Review

October 2019

HortNZ engaged Collaborations to undertake a high-level assessment of the rivers and streams that drain through potential horticultural areas.

PDF, 6.6 KB.

Review of food security policies

July 2019

A review of food security policies published by Sapere for HortNZ. Review written by Vhari McWha, William Li and David Moore.

PDF, 350 KB.

New Zealand’s food story: The Pukekohe hub

August 2018

Deloitte produced a report detailing the current economic, social and community benefits of fruit and vegetable growing, and primary processing in the Pukekohe growing hub.

PDF, 1.6 MB.