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D.A. Devitt, R.L. Morris, M. Baghzouz, M. Lockett, and L.K. Fenstermaker

2 Associate professor. 3 Graduate student. 4 Assistant research professor. We thank the Southern Nevada Water Authority and the Las Vegas Valley Water District for financial support of this research project. We also wish to thank Jeff

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A. Naor, Y. Gal, and B. Bravdo

145 POSTER SESSION (Abstr. 479–486) Water Stress

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Ursula Schuch

Oral Session 2—Water Utilization/Nutrition & Water Management Moderator: Daniel I. Leskovar 18 July 2005, 2:00–3:45 p.m. Room 107

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Ved Parkash, Sukhbir Singh, Manpreet Singh, Sanjit K. Deb, Glen L. Ritchie, and Russell W. Wallace

Water scarcity is one of the major constraints that limits crop production, especially in arid and semiarid regions of the world such as the Southern High Plains (SHP) of the United States. In the SHP, a tremendous decline in the water table has

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Philip Busey

Florida Agricultural Expt. Station Journal Series no. R-04961. This research was supported in part by the South Florida Water Management District. I am grateful for material support by Estech Branded Fertilizers, King Ranch Sod Farm, R & D

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Smita Barkataky, Robert C. Ebel, Kelly T. Morgan, and Keri Dansereau

changes in water requirements of citrus because they may change during cold acclimation independent of soil moisture content ( Boman, 1994 ; Fares and Alva, 1999 ; Morgan et al., 2006 ). With water supplies in both regions limited, research is continuing

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B.W. Roberts and C.W. O'Hern

Solid particles in water such as sand, silt, clay, or organic debris can clog drip irrigation systems. Filters that remove these particles from the water are necessary, but expensive, for small-scale or part-time farmers. A falter that is functionally similar to commercial units can be built from a steel barrel and common plumbing supplies for about $100. Components and instructions to build such a falter are presented here.

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Marco Bittelli

Soil water content has an important impact on many fundamental biophysical processes. It affects the germination of seeds, plant growth and nutrition, microbial decomposition of the soil organic matter, nutrient transformations in the root zone, as

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Pedro García-Caparrós, Alfonso Llanderal, and María Teresa Lao

the world, in part, due to increased salinity in both soil and water ( Cassaniti et al., 2013 ). This is the case for the southeastern coastal areas of Spain where there is high water salinity due to saltwater intrusion into some groundwater aquifers

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R.B. Hutmacher, J.J. Steiner, J.E. Ayars, A.B. Mantel, and S.S. Vail

Abbreviations: ET c , crop evapotranspiration; DOY, day of year; K c , crop coefficient; LWP, leaf water potential; RWC, leaf relative water content; VPD, air vapor pressure deficit. 1 Plant Physiologist. 2 Agronomist. 3 Agricultural Engineer. 4