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Paddock with excess water, covered by eroded soil

Water erosion control after fire – Western Australia

12 February 2015

Fire removes organic ground cover, and the risk of water erosion is greatly increased.

Photograph of a dispersive soil profile in a pit showing the mottled zone below the dense grey clay top layer.

Dispersive (sodic) soils in Western Australia

23 May 2017

Dispersive soils are common in the agricultural areas of Western Australia, where they occur mainly as duplex or gradational profiles.

Photograph of a dispersive soil profile in a pit showing the mottled zone below the dense grey clay top layer.

Dispersive (sodic) soils: the science

12 June 2017

This page explains the factors that influence the degree of dispersion in sodic soils: soil structure (aggregate stability), cation exchange capacity, calcium to magnesium ratio, exchangeable sodiu

Map of the agricultural area of Western Australia showing soil organic carbon concentrations in known areas

Soil organic carbon in Western Australian

17 November 2016

Soil organic carbon (SOC) is inherently low in Western Australian soils – limited by climate and soil type – with some potential to increase through management.

Leveed deep drain

Managing subsurface water in Western Australia

17 July 2015

Managing subsurface water can help to lower watertables and alleviate problems with waterlogging, rising salinity, and infrastructure damage.

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Repairing gully erosion in Western Australia

23 February 2017

Gully erosion is a severe form of land degradation affecting infrastructure, paddock management and property access.

Natural salt lake evaporation basin near Wongan Hills, Western Australia showing crystalline salt

Evaporation basins for salinity management

12 October 2015

An evaporation basin is a natural salt lake or engineered earth structure designed to store and evaporate saline water.

Photo of commercial reverse osmosis system for brackish water. Photo courtesy of Vertex Hydropore Pty Ltd

Groundwater desalination and regulation for farm water supply in Western Australia

11 September 2015

Pumping of groundwater and disposal of saline effluent (reject water) from desalination is covered by regulations requiring owners or occupiers to notify the Commissioner of Soil and Land Conservat

Fertility-selected Brahman herd on the Ord-Victoria plain.

Monitoring rangeland condition in Western Australia

4 November 2013

There are many benefits from monitoring and assessing pastoral rangeland condition, and monitoring is done at several levels to meet the needs of rangeland managers, researchers and government admi

Square quadrant on the ground used for determining the amount of loose soil and plant matter.

Diagnosing wind erosion risk

10 December 2013

Wind erosion in Western Australian agriculture is common, especially in years of late and dry growing seasons.

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