From the ancient land surfaces of the Australian continent, with their long history of weathering and leaching, have developed many of the present Australian soils. The task of classifying and mapping these soils under a consistent scheme has resulted in the most accurate soil maps of the continent yet published.
This film traces the history of land use in Australia, leading on to the need for soil surveys and accurate maps. The structure, nutrient status and current use of 12 soil groups - as well as their relationship to the climatic zones - are discussed.
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