Full TGIF Record # 124593
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DOI:10.1071/EAO5157
Web URL(s):http://www.publish.csiro.au/EA/pdf/EA05157
    Last checked: 11/28/2016
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http://www.publish.csiro.au/view/journals/dsp_journal_fulltext.cfm?nid=72&f=EA05157
    Last checked: 05/24/2007
    Access conditions: Item is within a limited-access website
Publication Type:
i
Report
Author(s):Short, D. C.; Colmer, T. D.
Author Affiliation:School of Plant Biology, Faculty of Natural and Agricultural Sciences, The University of Western Australia, Crawley, Western Australia, Australia
Title:Development and use of a variable-speed lateral boom irrigation system to define water requirements of 11 turfgrass genotypes under field conditions
Source:Australian Journal of Experimental Agriculture. Vol. 47, No. 1, January 2007, p. 86-95.
# of Pages:10
Publishing Information:East Melbourne: Commonwealth Scientific and Industrial Research Organization (Australia)
Keywords:TIC Keywords: Perennial grasses; Water requirements; Irrigation systems; Irrigation rates; Water management; Genotypes
Abstract/Contents:"Improved irrigation scheduling is one strategy by which water management can be improved in turfgrass systems. The development and testing of a variable-speed lateral boom irrigation system for use in field-based irrigation trials is reported. Christiansen's coefficient of uniformity was greater than 92% and the efficiency of irrigator discharge was greater than 90% for application depths (mm/unit land area) of 0.5-13 mm. The minimum irrigation requirements were determined for 11 turfgrass genotypes from a summer irrigation dose-response field trial that applied daily treatments of 100 (control), 80, 60, 40 and 20% of the previous day's net evaporation measured using a US Class A pan. Responses of several shoot parameters, including clipping production, green leaf area index, leaf chlorophyll and leaf water status were evaluated to define minimum irrigation requirements for the turfgrasses. Minimum irrigation requirements (as defined by declines of 10% in several shoot responses) for C3 and C4 turfgrasses were 64-94% and 32-78% of US Class A pan, respectively. Variability in irrigation requirements within C3 or C4 types was due mainly to variations in estimates based on the different shoot parameters. The results demonstrate the opportunity for water conservation by using C4 rather than C3 turfgrasses in locations with hot dry summers (and mild winters) typical of a Mediterranean-type climate."
Language:English
References:44
Note:Pictures, color
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Short, D. C., and T. D. Colmer. 2007. Development and use of a variable-speed lateral boom irrigation system to define water requirements of 11 turfgrass genotypes under field conditions. Aust. J. Exp. Agric. 47(1):p. 86-95.
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DOI: 10.1071/EAO5157
Web URL(s):
http://www.publish.csiro.au/EA/pdf/EA05157
    Last checked: 11/28/2016
    Requires: PDF Reader
http://www.publish.csiro.au/view/journals/dsp_journal_fulltext.cfm?nid=72&f=EA05157
    Last checked: 05/24/2007
    Access conditions: Item is within a limited-access website
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