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This newsletter communicates our work in soil-related research to stakeholders, customers and colleagues.
Issues covered by Soil Horizons include soil quality, land rehabilitation, impacts of wastewaters, nitrates, pesticides and heavy metals on the environment, cropland erosion and soil degradation, non-point source pollution on land, water resources, soil carbon, and greenhouse gases.

Issue 30, November 2021

The front of Soil Horizons Issue 1, from April 1997.

The front of Soil Horizons Issue 1, from April 1997.

This issue of Soil Horizons is our 30th. The first issue of Soil Horizons, published in April 1997, was aimed at communicating our soils-related research to stakeholders, customers, and colleagues. It still is.

A review of Issue 1 shows articles on nitrate in soils, greenhouse gases, soil quality indicators, erosion, the National Soils Database, contamination, nematodes, and soil records. Issue 1 also had a feature on the soil chemistry and soil physics laboratories in Palmerston North and Hamilton.

Many of these topics sound familiar! Nitrate losses, greenhouse gases, soil quality, erosion, and soil contamination are key topics today, 24 years on, with several large current research programmes in action.

Issue 30 has articles on several topics that were in Issue 1. We have an article on ‘reducing nitrogen losses from farms’ – from a co-author also featured in Issue 1. Other articles include soil quality, and the use of technology to better understand erosion and soil conservation mitigation, and soil moisture. Issue 1 had an article on the ‘National Soils Database,’ an essential inter-generational resource that now supports S-map and various research directions. So, this year, we have two articles on S-map – one on using field and digital techniques to improve mapping in the Wairarapa, and the other on developing a ‘landform trees’ tool.

Issue 1 had a feature on the South Pacific laboratories network. Issue 30 has an article on the Pacific Soils Portal to make soils information more widely available.

Our other articles this year include ‘land fragmentation’, and a book review of ‘The Soils of Aotearoa New Zealand’.

Many thanks to the teams who have contributed to research and writing in all 30 issues of Soil Horizons!

John Drewry, Editor.

Issue 29, October 2020

This issue of Soil Horizons presents recent research, tools and support in S-map, detecting erosion, effects of dung beetles and lucerne management on nutrient leaching, changes in soil properties, the role of soil laboratories for supporting research, and a new book release.

Issue 28, December 2019

This issue of Soil Horizons explores soils and their influence on water from micro-scale to farm- and national-scale, and ways to improve the management of our soil resource. We present key research findings on the importance of soil health, finite high-class soils, improving S-map to aid the management of irrigation and erosion control, soil ecological guidelines for trace elements, and new soil monitoring and management tools.

Issue 27, October 2018

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