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The sustainability of irrigated agriculture in many arid and semiarid areas of …

Biology Articles » Agriculture » Sustainability of irrigated agriculture in the San Joaquin Valley, California » Miscellaneous

- Sustainability of irrigated agriculture in the San Joaquin Valley, California



We thank HydroGeologic Inc. for providing us with a beta version of the modhms model and Dr. Don L. Suarez (George E. Brown, Jr., Salinity Laboratory) for providing us with the unsatchem software. Our work has greatly benefited from insights by Kerry Arroues (Natural Resources Conservation Service) regarding soil salinization in the San Joaquin Valley. We thank Drs. Peter Vaughan, Dennis Corwin (both from George E. Brown, Jr., Salinity Laboratory), and Jim Ayars (U.S. Department of Agriculture Water Management Laboratory) for providing us with the irrigation/drainage and groundwater data for the Broadview Water District, without which some of the evaluation results would not have been possible. We also thank Gordon Huntington for providing us with the 1969 soil salinity map and Charles Brush (U.S. Geological Survey) for providing us with water delivery data. This work was supported by U.S. Department of Agriculture Funds for Rural America Project 97-362000-5263 and by the U.S. Bureau of Reclamation. J.A.V. was supported by the Earth Life Sciences and Research Council with financial aid from the Netherlands Organization for Scientific Research.



  • To whom correspondence should be addressed. E-mail: jwhopmans@ucdavis.edu.

  • Present address: Stanford University, Stanford, CA 94305.

  • Author contributions: G.S., J.W.H., W.W.W., and K.K.T. designed research; G.S. and C.A.Y. performed research; J.A.V. and S.P. contributed new reagents/analytic tools; G.S., J.W.H., C.A.Y., J.A.V., and K.K.T. analyzed data; and G.S. and J.W.H. wrote the paper.

  • Abbreviations: ha, hectares; Mton, million tons; RZ, root zone.

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