Dryland mediterranean farming systems in Australia [review]
1992
Rovira, A.D. (Cooperative Research Centre for Soil and Land Management, Glen Osmond (Australia))
The mediterranean region extends across the southern mainland States from Geraldton in Western Australia to northern Victoria. It is characterised by hot dry summers and cool wet winters. Cereal-livestock farming systems predominate. The major soils are deep coarse-textured sands and sandy loams, duplex soils with sands over clay and fine-textured red-brown earths. Soil problems are sodicity, salinity, structural degradation, boron toxicity, acidity, waterlogging, nutrient deficiencies (especially nitrogen), water-repellence and root diseases. These have been exacerbated by excessive tree-clearing, increased cropping frequencies with a decline in pasture production, and a decline in nutrient levels. Improved soil management is required for sustainable agriculture.
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