Mid-Summer Deficit Irrigation of Alfalfa as a Strategy for Saving Water
by B. R. Hanson, (Department of Land, Air and Water Resources, One Shields Ave., University of California, Davis, CA 95616 E-mail: brhanson@ucdavis.edu), K. M. Bali, (University of California Cooperative Extension, Imperial County, 1050 East Holton Road, Holtville, CA 92250 E-mail: kmbali@ucdavis.edu), S. B. Orloff, (University of California Cooperative Extension, Siskiyou County, 1655 South Main Street, Yreka, CA 96097 E-mail: sborloff@ucdavis.edu), B. L. Sanden, (University of California Cooperative Extension, Kern County, 1031 South Mount Vernon Avenue, Bakersfield, CA 93307 E-mail: blsanden@ucdavis.edu), and D. Putnam, (Department of Plant Sciences, One Shields Ave., University of California, Davis, CA 95616 E-mail: dhputnam@ucdavis.edu)
pp. 4204-4210, (doi: http://dx.doi.org/10.1061/41036(342)423)
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| Document type: |
Conference Proceeding Paper |
| Part of: |
World Environmental and Water Resources Congress 2009: Great Rivers |
| Abstract: |
Evapotranspiration (ET) of fully-irrigated and deficit-irrigated (no irrigation in July, August, and September) was measured in five alfalfa fields at various locations throughout California. Seasonal ET ranged from 838 to 1,651 mm, which differed from historical seasonal ET. Deficit irrigation reduced ET, but the ET difference between fully-irrigated and deficit-irrigated alfalfa was site specific. Yields were reduced by deficit irrigation. |
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