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| Web URL(s): | http://archive.lib.msu.edu/tic/rpr/1994/35226,%20U%20Arizona,%20Mancino.PDF
Last checked: 11/14/2013
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| Publication Type:
| Report |
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| Material Type: | Manuscript |
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| Monographic Author(s): | Mancino, Charles F.; Brown, Paul W.; Wierenga, Peter J.; Thompson, Thomas; Young, Michael H.; Otto, Duane |
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| Author Affiliation: | Young: Research Associate; and Otto: Graduate Student |
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| Monograph Title: | Turfgrass Irrigation with Municipal Effluent: Nitrogen Fate, Turf Kc Values and Water Requirements: [1994 Annual Progress Report], 1994. |
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| Publishing Information: | Tucson, Arizona: Karsten Laboratory and Desert Turfgrass Research Facility, University of Arizona |
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| # of Pages: | 11 |
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| Collation: | [11] pp. |
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| Abstract/Contents: | "This project is being conducted to 1) determine the potential movement of nitrogen contained in municipal secondarily treated wastewater used to irrigate turf; 2) determine how effluent irrigation influences the water and nitrogen requirements of turf; 3) compare how accurately five Penman equations used in the western United States predict actual turfgrass water use; and 4) accumulate an atmospheric database and turfgrass water use database which can be used by the public and private sector to develop and test the accuracy of evapotranspiration equations. Atmospheric and turfgrass water use data collection began in 1995 following about eight months of data collection with bare soil. The data continues to show that the two giant weighing lysimeters are behaving similarly and accurately. The various Penman equations being tested in this project indicate that all equations respond similarly to changes in atmospheric conditions. Some variation does exist in how well these equations predict actual turf water use as measured by the lysimeters. All of the equations overestimate turf water use. The Kc values (ratio of actual turf water use to predicted water use) of this bermudagrass turf appear to be 86% to >100%, depending on the particular equation. This is higher than currently reported in the literature but may be due to the immaturity of the bermudagrass turf stand in 1994. Next years data should clarify this issue. An atmospheric and turfgrass water use database is being collected and will become availbale to the private and public sector for ET equation development and testing after completion of this project. It will provide more atmospheric data than is usually needed for calculating ETo. This additional information may be useful in determining why predicted water use values differ from actual water use. Data collection is completed for the 1994 bermudagrass growing season and has begun on winter overseeded ryegrass. This data will shed light on the water requirements of winter turf, particularly in the spring when air and soil temperature increase. The fate of N applied to turf in the lysimeters shall be conducted in Summer 1995 after the bermudagrass is fully mature." |
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| Language: | English |
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| References: | 5 |
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| See Also: | See also related summary article, "Turfgrass irrigation with municipal effluent: Nitrogen fate, turf Kc values and water requirements", 1994 Turfgrass Research Summary [USGA], 1994, p. 34-35, R=35226. R=35226 |
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| Note: | Also appears as pp. 00291-00301 in the USGA Turfgrass Research Committee Reporting Binders for 1994.
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Last checked: 11/14/2013
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