Of about 167.5 million sq Km of
the world’s lands surface, nearly 105.5 million sq km consists of barren
deserts, ice-covered terrains and rocky surfaces, which cannot be used for any
productive proposes. Land has become a scarce commodity. There is no doubt that
the demands of an expanding population shall put more and more stains on our
lands resources in future. Thus, we must make effort to reclaim land, which are
termed as wastelands. Reclamation revolves around methods to control soil
erosion, retain more on surface, enhance its downward percolation and provide
more organic matter so as to improve soil structure.

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