According to WA’s Department of Primary Industries and Regional Development that estimate of $4.3 Billion in lost production is nearly equal to half the value of the state’s annual grain production, so soil constraint issues are significant.

The type of constraints common to the West include water repellency, acidity, subsoil compaction and soil structure decline and the Grains Research & Development Corporation has invested in the development of an analytical tool called ROSA.

ROSA stands for Ranking Options for Soil Amelioration and its purpose is to help grain growers rank their soils and prioritise soil amelioration options.

Further Information:

Dr Elizabeth Petersen

DPIRD Economist

0404 077 194

email: [email protected]

GRDC Project code: DAW00244; DWA00243; DWA00242; DWA00236

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