Browsing by Author "Aleman, Marthanne Payne"
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Aleman, Marthanne Payne (Texas A&M University. Libraries, 1995)About 3500 million hectares of land--an area the size of North and South America combined--are affected by desertification or land converting to desert under the impact of man's activities. This figure excludes expansion ...
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Aleman, Marthanne Payne (1987)In recent years, increasing levels of soil salinity have begun to affect production levels of farmland in the Lower Rio Grande Valley of Texas. Since high salinity levels greatly impede the ability of plant crops to absorb ...