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Soil Horizons
Soil Horizons articles
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Issue 27, October 2018
Issue 28, December 2019
Issue 29, October 2020
Issue 30, November 2021
Issue 31, November 2022
Issue 32, October 2023
Adding geomorphic context to S-map via soil landform trees
2 November 2021
Soils in New Zealand are mainly in youthful, geologically highly active landscapes, and are influenced by a plethora of erosion and deposition processes. Sharp contrasts in soil-forming factors across short distances mean that New Zealand shows tremendous diversity in soil-forming conditions and soi...
Newsletter
Soil
Soil Horizons
Pacific Soils Portal
2 November 2021
Good quality soil information is available for many Pacific nations, with soil surveys having been completed for most countries. These surveys represent a large and prolonged investment. A conservative estimate of the investment by New Zealand since the 1950s indicates that it is approximately NZ$25...
Newsletter
Soil Horizons
Book Review: The Soils of Aotearoa New Zealand
2 November 2021
The book emphasises that soils form the dynamic interface between geology and the biosphere, moderated by climate.
Newsletter
More S-map support for farm-scale soil information
16 October 2020
A recent survey of S-map Online users and three focus groups made it clear that S-map needed to support the demand for soil information at the farm scale. As a result, two new S-map tools have been developed and added to our main delivery platform, S-map Online. Two more are under development.
Newsletter
Soil Horizons
Lysimeter research identifying management practices to reduce nitrogen leaching
16 October 2020
Intensive agricultural practices, such as high animal stocking rates, use of nitrogen fertilisers, and irrigation with water and effluent, can lead to high leaching losses and consequent degradation of surface and groundwater quality. To reduce these environmental impacts, in accordance with the Nat...
Newsletter
Soil Horizons
Dung beetles: NZ’s missing link to achieve sustainable pastoral agriculture?
16 October 2020
Dung beetles move dung from the soil surface by building tunnels, potentially increasing pathogen and nutrient leaching through the soil while decreasing pathogens and nutrients in runoff.
Newsletter
Soil Horizons
Defining soil health from a Māori world view
16 October 2020
The Soil Health and Resilience: Oneone Ora, Tangata Ora programme is developing both the science to understand soil resilience and soil health and the kaupapa Māori research to explore soil health from a Te Ao Māori/mātauranga Māori perspective.
Newsletter
Soil Horizons
New water retention model in S-map
16 October 2020
New Zealand is internationally recognised as having a high diversity of soil types, with S-map identifying over 5,000 soil siblings in the 36% of the country mapped thus far.
Newsletter
Soil Horizons
Real-time monitoring to detect erosion sources affecting sediment-related water quality
16 October 2020
Recent amendments to the National Policy Statement for Freshwater Management (NPS-FM 2020) require regional councils to set objectives for sediment-related water quality attributes to manage suspended and deposited fine sediment. Understanding the connectivity between sediment sources and the stream...
Newsletter
Soil Horizons
Soil physics and environmental chemistry laboratories – historical lineage and their role in supporting critical national research and soil monitoring
16 October 2020
Within this next decade, New Zealand will have had 100 years of soil research and soil analyses.
The concept behind what later became known as ‘Soil Bureau’ began in June 1930 with an announcement from Prime Minister Forbes to help answer soil-related problems in farming and to begin soil surveys ...
Newsletter
Soil Horizons
Temporal changes in soil physical properties under winter wheat cropping
16 October 2020
Soil physical properties, such as pore-size distribution and bulk density, affect water and air transmission through soil, which in turn affects water storage and its availability to plants.
Newsletter
Soil Horizons
Targeting smarter erosion control with new research
10 August 2019
A new 5-year (2018–2023) MBIE funded programme ‘Smarter Targeting of Erosion Control’ (STEC) is now well underway, exploring cost-effective ways of targeting land-based erosion control in the hope of slowing the damage and improving water quality.
Newsletter
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