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Mineralogical characterization of vertisols of the Sudan GeziraMohamed ElTom, Osman Abdel Rahman, 1940- January 1970 (has links)
No description available.
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Effect of irrigation water quality, sulfuric acid and gypsum on plant growth and on some physical and chemical properties of Pima soilAlawi, Badier Jassim, January 1977 (has links) (PDF)
Thesis (Ph. D. - Soil, Water and Engineering)--University of Arizona. / Includes bibliographical references.
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