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| Publication Type:
| Report |
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| Author(s): | Morhard, Jörg;
Schulz, Heinz |
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| Author Affiliation: | Universität Hohenheim, Institut für Pflanzenbau und Grünland, Stuttgart, Germany |
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| Title: | Einfluß von Artenzusammensetzung, Schnitthöhe und Bewässerungsart auf den Wasserverbrauch von Intensivrasen |
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| Translated Title: | [Effects of mixture composition, mowing height and irrigation method on the water consumption of intensively used turf] |
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| Source: | Rasen-Turf-Gazon. Vol. 29, No. 4, December 1998, p. 103-109. |
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| Publishing Information: | Bonn, Germany: Hortus Verlag |
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| # of Pages: | 7 |
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| Keywords: | TIC Keywords: Water uptake; Potable water; Water shortage; Water conservation; Water use; Mowing height; Irrigation methods; Evapotranspiration; Soil water content; Agrostis stolonifera; Agrostis tenuis; Poa supina; Cellsystem; Percent living ground cover; Quality; Drought; Lysimeters
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| Cultivar Names: | Bardot |
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| Abstract/Contents: | With the increasing shortage of drinking water, ways of saving water used in irrigating turf are being sought. The present study was conducted with the objective of finding clues for possible differences in water consumption by different turfgrass species and mixtures. The effects of mowing height and irrigation method on water consumption was also researched. The evapotranspiration losses were traced via weighable lysimeters, and the soil water content was inspected via TDR-probes at depths of 10cm and 25cm. A mixture of different varieties of Agrostis stolonifera, the greens' mixture 'Bardot' and Poa supina were tested. Mowing heights of 8mm and 4mm were used. A traditional sprinkler system was used for irrigation on some plots; on others the "Cellsystem" was used for irrigation and drainage. The experimental plot met the soil construction and maintenance requirements of a golf green. In addition, the thickness of the sward thatch was determined, and the effects of the treatments on the general appearance of the grasses was evaluated. The studies indicated that the evapotranspiration rates fluctuated between 1.2mm/day and 4.8mm/day. The individual grasses differed only slightly amongst themselves. A differentiated decrease in the soil water content could not be proven. The water consumption of the grasses at a mowing height of 4mm was up to 17% less than when the grasses were cut at 8mm. On the other hand, the general appearance ratings of the grass cut at 4mm when evaluated at the end of the nine-day drought period was 1 to 2 points lower than the grasses cut at 8mm. The water contents of the soil at a depth of 25cm decreased more sharply that at a depth of 10cm. At the 25cm depth the soil water content was measured to be 5% lower by volume than at the 10cm depth. This difference in the soil water contents was more pronounced when the Cellsystem was used than the sprinkler system, even when the initial soil water contents were the same. The cumulative irrigation requirements in 1996 of the research plots with the Cellsystem amounted to only 10% of the amount of water required by the sprinkler system. |
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| Language: | German |
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| References: | 26 |
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| Note: | Tables
Graphs
The table which appears on p. 106 is incorrect. The correct table appears in RASEN, Vol. 30, No. 1, January 1999, on p. 15.
Abstract also appears in English and French |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Morhard, J., and H. Schulz. 1998. Einfluß von Artenzusammensetzung, Schnitthöhe und Bewässerungsart auf den Wasserverbrauch von Intensivrasen. (In German) Rasen Turf Gazon. 29(4):p. 103-109. |
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