Soil Acidity

Soil Acidity

Soil acidity is a major constraint to farming in Western Australia. However, managing soil acidity is both achievable and profitable and methods for increasing soil pH are widely adopted in the Wheatbelt.

How can we monitor progress?

At Wheatbelt NRM Inc. we have searched for data that can help us monitor the status of soil acidity across the Wheatbelt region. At the top level, we can monitor the proportion of soils that are below a target pH of 5.5. At a deeper level we can report on efforts to combat soil acidity like the amount of lime/dolomite being added to agricultural soils by farmers.

Lime application

The graph shows the amount of lime being used on farms during the 2013-2014 season.

Source: Australian Bureau of Statistic’s LAND MANAGEMENT AND FARMING IN AUSTRALIA 2013-2014 dataset.

The AAE regions called “Mediterranean west” and “Wheatbelt west” cover the entire cleared portion of the Wheatbelt NRM region but also encompass a much broader area outside the region.

The spatial distribution of soil condition properties

Click here to view the map in full screen

The map shows the major soil attributes across the region (Source: Department of Agriculture and Food WA) and soil carbon stock at sample sites (Source: SoilQuality). 

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