With the increasing amount of data made available from Landsat there is a clear need for an integrated method of soil mapping in which these data can be exploited to provide valuable information for the various stages of conventional soil mapping:

- preliminary study

- detail mapping

- verification of the results of photo-interpretation

- updating of soil map by temporal study

A joint research study was initiated between the Scientific Center of IBM France and IRAT, the Tropical Agriculture Research Institute to investigate these possible contributions.

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