Soils of arid regions - ISBN:0444414398

Soils of arid regions

Date: 14 April 2011, 04:04

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The ascendancy of man began in the arid regions of Africa and Asia. An agricultural revolution there allowed the hunting and food-gathering societies to become food-producing societies in which some members were free to pursue the arts and sciences and, in time, to form urban communities and flourishing civilizations. During the last thousand years, however, these same regions have suffered the ravages of conquest, exploitation, and neglect, to the detriment of the people and the land. Deforestation, soil deterioration, and erosion led to a decline in productivity, in population, and in cultural level. Over much of the area, the decline continues today even though effective tools and technologies are available to stem further degradation of the land.

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