Unrestricted.2016-11-142011-02-192016-11-141986-08http://hdl.handle.net/2346/22143Not availableapplication/pdfengCottonRoots (Botany)Kochia scopariaPlant-water relationshipsSunflowersCarbonateRocksRoot growth and water uptake patterns of cotton, sunflower and kochia, and their relationship to calicheThesis