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Soil Horizons
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Reducing nitrogen losses from farms
2 November 2021
This September 2021 sees the conclusion of the 5-year MBIE Endeavour Fund research programme ‘Reducing nitrogen losses from farms’. The focus of this work has been the need for practical management strategies to reduce nitrogen (N) losses and greenhouse gas (GHG) emissions from agriculture, particul...
Newsletter
Soil Horizons
Advances in wireless sensor network communications – using garage-door remotes in the 1990s to satellites in 2021
2 November 2021
Modern precision agriculture demands knowledge of temporal and spatial soil moisture distribution that constantly changes with time and position due to varying climate, soil, and land cover. After the introduction of the earliest electronic dataloggers in the 1980s, measurement of time-varying soil ...
Newsletter
Soil
Soil Horizons
Soil quality in the Wellington region
2 November 2021
Soil quality monitoring can be used to assess the soil’s capacity to maintain both farm productivity, and ecological function and environmental quality. Many unitary and regional councils in New Zealand have monitored soil quality since the late 1990s. In the Wellington region, dairy, mixed cropping...
Newsletter
Soil
Soil Horizons
Modelling the effect of individual trees on slope stability in pastoral hill country
2 November 2021
Silvopastoralism in New Zealand’s highly erodible hill country is an important form of erosion and sediment-loss control. Despite a long history in improving sustainable land management and soil conservation, there has been relatively little quantitative work to establish the effectiveness of space-...
Newsletter
Soil Horizons
Monitoring change in the availability of New Zealand’s Highly Productive Land resource
2 November 2021
Changes in our rural landscape often appear in a range of discussions across New Zealand. Hot topics in recent times have included the impacts of agricultural activities on waterways, and the impacts of reforestation on rural communities. The loss of farmland to urban and peri-urban expansion has al...
Newsletter
Soil
Soil Horizons
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
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