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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
Effect of irrigation on soil physical properties on Canterbury pastoral farms
1 November 2022
In many areas in New Zealand, land use is becoming more intensive, such as through irrigation expansion and changing management practices. Different land use intensities can cause changes to soil physical properties, such as soil compaction and changes in soil water storage pores, but these are not ...
Newsletter
Enhancing soils, water, and land
Soil Horizons
Erosion
National-scale impacts of climate change on erosion and suspended sediment loads
1 November 2022
Soil sits at the centre of many issues facing policymakers and catchment managers in the 21st century, including land productivity and degradation of aquatic environments. Erosion contributes to the depletion of soil resources, and generates sediment that degrades aquatic environments when levels ex...
Newsletter
Enhancing soils, water, and land
Soil Horizons
Action on climate change
Overview of the Soil Health & Resilience Programme – Oneone ora, Tangata ora
1 November 2022
After 5 years of research funded by the Ministry of Business, Innovation & Employment (MBIE), the ‘Soil health and resilience – oneone ora, tangata ora’ programme has come to an end.
Newsletter
Soil carbon
Enhancing soils, water, and land
Soil Horizons
Soil health factsheets
1 November 2022
As a finale to the Soil health and resilience – Oneone ora, tangata ora programme, we have produced four soil health factsheets. They provide summarised information and explain what soil health is, best management practices and information on soil nutrients, reducing compaction and pugging, and soi...
Newsletter
Soil
Soil Horizons
Predicting soil classes for S-map by modelling tephra depth – preliminary investigation
1 November 2022
Bay of Plenty Regional Council and the Ministry for Primary Industries are funding the expansion of new S-map in the Bay of Plenty (BOP) Region. By utilising digital soil mapping techniques (DSM) large areas of the BOP can be cost effectively incorporated into a new digital map to replace outdated l...
Newsletter
Enhancing soils, water, and land
Soil Horizons
Soil
Update of popular Soils Portal released
1 November 2022
The Soils Portal, Pātaka Oneone, is Manaaki Whenua’s website for comprehensive information about New Zealand’s soil resources. It has been running for 15 years, and currently attracts some 40,000 visitors per year.
Newsletter
Enhancing soils, water, and land
Soil Horizons
New S-Map data in the Tinui area, Northern Wairarapa
2 November 2021
The upper catchments of the Tinui and Whareama Rivers were added to S-Map this year. This area extends over some 26,000 hectares of hilly and steep country, largely on soft mudstone parent materials. The new mapping abuts existing S-Map coverage to the west and south, added in last year’s update.
Newsletter
Soil
Soil Horizons
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
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