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Reuse of Drainage Water for Irrigation: Results of Imperial Valley Study: II. Soil Salinity and Water Balance
Authors
James D. RhoadesFrank T. Bingham
Paul J. Pinter
Robert D. Lemert
William J. Alves
Glenn J. Hoffman
John A. Replogle
Robert V. Swain
John Letey
Porfirio G. Pacheco
Authors Affiliations
James D. Rhoades was Research Leader, U.S. Salinity Laboratory, U.S. Department of Agriculture, Agricultural Research Service (USDA-ARS), 4500 Glenwood Drive, Riverside, CA 92501; Frank T. Bingham (deceased) was Professor, Department of Soil and Environmental Sciences, University of California, Riverside; Paul J. Pinter, Jr. was Research Biologist, USDA-ARS, U.S. Water Conservation Laboratory, Phoenix, Arizona; Robert D. Lemert was Physical Science Technician, USDA-ARS, U.S. Salinity Laboratory, Riverside, California; William J. Alves was Computer Specialist, USDA-ARS, U.S. Salinity Laboratory, Riverside, California; Glenn J. Hoffman was Research Leader, USDA-ARS, Water Management Research Laboratory, Fresno, California; John A. Replogle was Research Leader, USDA-ARS, U.S. Water Conservation Laboratory, Phoenix, Arizona; Robert V. Swain was Agricultural Research Technician, USDA-ARS Irrigation Desert Research Station, Brawley, California; John Letey was Professor, Department of Soil and Environmental Sciences, University of California, Riverside; Porfirio G. Pacheco was Laboratory Assistant, Department of Soil and Environmental Sciences, University of California, Riverside.Publication Information
Hilgardia 56(5):17-44. DOI:10.3733/hilg.v56n05p028. October 1988.
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Abstract
This paper presents data on water use and soil salinity status obtained in the field experiment—the remaining information needed to complete the “strategy verification” process. These data, together with those presented in part I, support the use of saline drainage waters for irrigation for the following reasons: (1) Soil salinity and boron were kept within acceptable limits for seedling establishment and subsequent growth of the individual crops grown in the rotations. (2) No significant loss of yield or crop quality occurred in any of the five crops grown with substitution of the saline Alamo River water for Colorado River water for up to 25 to 50 percent of the total irrigation requirements of the two representative rotations. (3) No problems of soil degradation were observed, even though accumulative leaching was minimal (less than 15 percent), with the clay soil.
Literature Cited
Maas E. V. Salt tolerance of plants. Applied Agric. Res. 1986. 1(1):12-26.
Rhoades J. D. Soluble salts. Methods of soil analysis. Part 2, chemical and microbiological properties. Agronomy Monograph. 1982. 9:167-178. Page A. L. Miller R. H. Kenney D. R. (Eds.)
Rhoades J. D. Using saline waters for irrigation. Sci. Rev. on Arid Zone Res. 1984. 2:233-64. Proc. Int. Workshop on Salt-Affected Soils of Latin America, Maracay, Venezuela, Oct. 23-30, 1983. pp. 22-52. Also publ
Rhoades J. D. Use of saline water for irrigation. Special issue Bull. Water Quality. 1986. Burlington, Ontario, Canada: National Water Res. Inst.
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