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| DOI: | 10.21273/JASHS.123.5.937 |
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| Web URL(s): | https://journals.ashs.org/jashs/view/journals/jashs/123/5/article-p937.xml
Last checked: 11/13/2019
Requires: PDF Reader |
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| Publication Type:
| Refereed |
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| Author(s): | Song, Y.;
Ham, J. M.;
Kirkham, M. B.;
Kluitenberg, G. J. |
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| Author Affiliation: | Department of Agronomy, Throckmorton Hall, Kansas State University, Manhattan, KS |
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| Title: | Measuring soil water content under turfgrass using the dual-probe heat-pulse technique |
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| Source: | Journal of the American Society for Horticultural Science. Vol. 123, No. 5, September 1998, p. 937-941. |
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| Publishing Information: | Alexandria, VA: American Society for Horticultural Science |
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| # of Pages: | 5 |
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| Keywords: | TIC Keywords: Festuca arundinacea; Water; Heat; Changes; Loam soils
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| Abstract/Contents: | "Measurements of soil water content near the soil surface often are required for efficient turfgrass water management. Experiments were conducted in a greenhouse to determine if the dual-probe heat-pulse (DPHP) technique can be used to monitor changes in soil volmetric water content (θ^D[v) and turfgrass water use. 'Kentucky 31' Tall fescue (Festuca arundinacea Schreb.) was planted in 20-cm-diameter containers packed with Haynie sandy loam (coarse-silty, mixed, calcareous, mesic Typic Udifluvents). Water content was measured with the DPHP sensors that were placed horizontally at different depths between 1.5 and 14.4 cm from the surface in the soil column. Water content also was monitored gravimetrically from changes in container mass. Measurements started when the soil surface was covered completely by tall fescue. Hence, Changes in θ^D[v could be attributed entirely to water being taken up by roots of tall fescue. Daily measurements were taken over multiple 6- or 7-day drying cycles. Each drying cycle was preceded by an irrigation, and free drainage had ceased before measurements were initiated. Soil water content dropped from ≅0.35 to 0.10 m³·m⁻³ during each drying cycle. Correlation was excellent between θ^D[v, and changes in water content determined by the DPHP and gravimetric methods. Comparisions with the gravimetric method showed that the DPHP sensors could measure average container θ^D[v within 0.03 m³·m⁻³ and changes in soil water content within 0.01m^D3^DDTm⁻³ |
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| Language: | English |
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| References: | 15 |
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| Note: | Pictures, b/w
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Song, Y., J. M. Ham, M. B. Kirkham, and G. J. Kluitenberg. 1998. Measuring soil water content under turfgrass using the dual-probe heat-pulse technique. J. Am. Soc. Hortic. Sci. 123(5):p. 937-941. |
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| DOI: 10.21273/JASHS.123.5.937 |
| Web URL(s):
https://journals.ashs.org/jashs/view/journals/jashs/123/5/article-p937.xml
Last checked: 11/13/2019
Requires: PDF Reader |
| 
MSU catalog number: SB 1 .A46 |
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