FAO-UNESCO: Soil map of the world 1: 5 000 000: Vol 4, South America
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The project for a joint FAo/Unesco Soil Map of the World was undertaken foliowing a recommendation of the International Society of Soil Science. It is the first attempt to prepare, on the basis of international cooperation, a soil map covering all the continents of the world in a uniform legend, thus enabling the correlation of soil units and comparisons on a global scale. The project, which started in 1961, fills a gap in present lmowledge of soil potentialities throughout the world and provides a useful instrument in planning agricultural and economic development programmes.The present volume, covering the soils of South America, is the fourth of a set of ten which make up the complete publication of the Soil Map of the World.. The first volume records introductory information and presents the definitions of the elements of the legend which is used uniformly throughout the publication. Each of the nine following volumes comprises an explanatory tex t and the corresponding map sheets covering the main regions of the world.