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| Author(s): | Feldhake, C. M.;
Boyer, D. G. |
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| Author Affiliation: | USDA-ARS Appalacian Soil and Water Conservation Research Laboratory, Beckley, West Virginia |
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| Title: | Effect of soil temperature on evapotranspiration by C3 and C4 grasses |
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| Source: | Agricultural and Forest Meteorology. Vol. 37, No. 4, September 1986, p. 309-318. |
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| Publishing Information: | Amsterdam: Elsevier |
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| # of Pages: | 10 |
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| Keywords: | TIC Keywords: Soil temperature; Evapotranspiration; Grasses; Canopy temperature; Evapotranspiration rate
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| Abstract/Contents: | "The relationship between evapotranspiration (ET) and soil temperature was studied for two C3 and two C4 grasses grown in 20-cm diameter plastic containers and managed to provide 10-cm high dense leaf canopies. Soil temperature treatments were 13, 21, and 29°C while leaf canopies were exposed to ambient climate conditions. Except for one C3 grass at the highest soil temperature, all grasses had higher ET as soil temperature increased. The C4 grasses averaged 30% lower ET than the C3 grasses at 13°C soil temperature, but the relative difference decreased to only 10% lower than the nonstressed C3 grass at 29° soil temperature. Canopy temperature showed no statistical relation to soil temperature. Soil heat flux differences appeared to have a greater influence on ET than plant resistance changes due to the influence of soil temperature on roots." |
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| Language: | English |
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| References: | 15 |
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| Note: | Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Feldhake, C. M., and D. G. Boyer. 1986. Effect of soil temperature on evapotranspiration by C3 and C4 grasses. Agric. Forest Meteorol. 37(4):p. 309-318. |
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