Full TGIF Record # 198300
Item 1 of 1
DOI:10.21273/HORTSCI.47.2.254
Publication Type:
i
Refereed
Author(s):Sun, Hongyan; Kopp, Kelly; Kjelgren, Roger
Author Affiliation:Department of Plants, Soils, and Climate, Utah State University, Logan, UT
Title:Water-efficient urban landscapes: Integrating different water use categorizations and plant types
Section:Soil management, fertilization, and irrigation
Other records with the "Soil management, fertilization, and irrigation" Section
Source:HortScience. Vol. 47, No. 2, February 2012, p. 254-263.
Publishing Information:Alexandria, VA: American Society for Horticultural Science
# of Pages:10
Keywords:TIC Keywords: Canopy; Evapotranspiration rate; Herbaceous perennials; Lysimeters; Percent living ground cover; Soil water content; Urban habitat; Water balance; Water requirements; Water use efficiency; Woody plants
Abstract/Contents:"Little research has examined water requirements of entire irrigated urban landscapes integrating different types of plants. Three landscape treatments integrating different types of plants-woody, herbaceous perennial, turf-and putative water use classifications-mesic, mixed, xeric-were grown in large drainage lysimeters. Each landscape plot was divided into woody plant, turf, and perennial hydrozones and irrigated for optimum water status over 2 years and water use measured using a water balance approach. For woody plants and herbaceous perennials, canopy cover rather than plant type or water use classification was the key determinant of water use relative to reference evapotranspiration (ETo) under well-watered conditions. For turf, monthly evapotranspiration (ETa) followed a trend linearly related to ETo. Monthly plant factors (Kp) for woody plants, perennials, and turf species under well-watered conditions in this study ranged from 0.3 to 0.9, 0.2 to 0.5, and 0.5 to 1.2, respectively. Adjusted Kp for each hydrozone was calculated based on landscaped area covered by plant types as a percent of total area, and landscape factor (Kl) was calculated based on adjusted Kp for each landscape treatment. Overall, Kl relative to ETo ranged from 0.6 to 0.8 for three water use classifications."
Language:English
References:51
Note:Figures
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Sun, H., K. Kopp, and R. Kjelgren. 2012. Water-efficient urban landscapes: Integrating different water use categorizations and plant types. HortScience. 47(2):p. 254-263.
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DOI: 10.21273/HORTSCI.47.2.254
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