Land aridization and drought control / Victor A. Kovda Kovda, Victor A. Arid regions agriculture. Soil salinization. Soil management. Droughts. S613 .K6913 333.73 19 KOL Includes index. Bibliography: p. 255-266. Boulder, Colo. : Westview Press, 1980. 1980. 1980 Text xix, 277 p.: eng engrus