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| Web URL(s): | https://dl.sciencesocieties.org/publications/aj/pdfs/84/4/AJ0840040717
Last checked: 12/14/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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| Publication Type:
| Refereed |
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| Author(s): | Devitt, D. A.;
Morris, R. L.;
Bowman, D. C. |
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| Author Affiliation: | Univ. of Nevada, Las Vegas, NV; Univ. of Nevada Cooperative Extension, Las Vegas, NV; College of Agriculture, Univ. of Nevada, Reno, NV |
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| Title: | Evapotransportation, crop coefficients, and leaching fractions of irrigated desert turfgrass systems |
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| Source: | Agronomy Journal. Vol. 84, No. 4, July/August 1992, p. 717-723. |
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| Publishing Information: | Washington: American Society of Agronomy |
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| # of Pages: | 7 |
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| Keywords: | TIC Keywords: Dry conditions; Irrigation; Leaching; Irrigation systems
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| Geographic Terms: | Southwest |
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| Abstract/Contents: | "Reducing irrigation volumes on turfgrass in an arid environment requires close attention to environmental demand. The objective of this research was to qualify the water balances of three turfgrass sites controlled by an evapotranspiration (ET) feedback system and local management. Additional objectives included calculating leaching fractions (LF), crop coefficients (Kc), water savings, and quantifying the variability in potential evapotransportation (ETo). A 2-yr study was conducted on three turfgrass sites in southern Nevada growing common bermudagrass [Cynodon dactylon (L.) Pers.] overseeded with perennial ryegrass (Lolium perenne L.). Two vacuum-drained lysimeters and one automated weather station were placed at each location. One lysimeter was irrigated by input from an ET feedback system while the other was left to local management. The daily Penman combination equation was used to calcuate ETo. Hydrologic water balances were maintained on each lysimeter on a weekly basis. A neutron probe was used to measure changes in soil water content in the lysimeters. Actual ET (ETa) varied according to management, with the two golf courses having an average ETa 29% higher than the park site. Differences in ETa between the park site and golf course sites were attributed to cultural management, in particular fertilizer, input. Crop coefficients varied on a monthly basis and between high management vs low management turf. A 4 to 6% error was observed in estimating ETo among the three sites." |
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| Language: | English |
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| References: | 16 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Devitt, D. A., R. L. Morris, and D. C. Bowman. 1992. Evapotransportation, crop coefficients, and leaching fractions of irrigated desert turfgrass systems. Agron. J. 84(4):p. 717-723. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/aj/pdfs/84/4/AJ0840040717
Last checked: 12/14/2016
Requires: PDF Reader
Access conditions: Item is within a limited-access website |
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MSU catalog number: S 22 .A45 |
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