Full TGIF Record # 151441
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Web URL(s):http://www.tandfonline.com/doi/pdf/10.1080/1065657X.2009.10702407
    Last checked: 10/01/2015
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Publication Type:
i
Refereed
Author(s):Johnson, G. A.; Qian, Y. L.; Davis, J. G.
Author Affiliation:Johnson: Former Graduate Student, Department of Horticulture and Landscape Architecture; Qian: Department of Horticulture and Landscape Architecture; Davis: Department of Soil and Crop Sciences, Colorado State University, Fort Collins, Colorado
Title:Topdressing Kentucky bluegrass with compost increases soil water content and improves turf quality during drought
Section:Research
Other records with the "Research" Section
Source:Compost Science & Utilization. Vol. 17, No. 2, Spring 2009, p. 95-102.
# of Pages:8
Publishing Information:Emmaus, PA: JG Press
Related Web URL:http://www.tandfonline.com/doi/abs/10.1080/1065657X.2009.10702407
    Last checked: 10/26/2016
    Access conditions: Item is within a limited-access website
    Notes: Abstract
Keywords:TIC Keywords: Canopy temperature; Composts; Coring; Drought; Drought management; Infiltration rate; Irrigation requirements; Nitrogen; Poa pratensis; Quality; Soil water content; Topdressing; Water use
Abstract/Contents:"Management practices that reduce landscape water consumption will become more important as potable water supplies diminish. Currently, a significant portion of urban water in hot, dry climates is used for landscaping purposes. Little information is available concerning the effects of compost topdressing after core cultivation on turfgrass drought response. The objectives of this study were to evaluate the effects that core cultivation and topdressing compost onto established Kentucky bluegrass (Poa pratensis L.) have on: i) soil water content, and ii) turf canopy temperatures and quality responses during periods of drought. Following core cultivations in May and September 2003 and May 2004, compost treatments [0 (control), 33, 66, and 99m3ha-1, i.e. 0, 31, 63, 93 Mg ha-1] were topdressed onto established 'Nuglade' and 'Livingston' Kentucky bluegrass in the field (Experiment I). In Experiment II, 'Kentucky bluegras waas topdressed with 0 (control), 66, and 99m3ha-1 compost after core-cultivation. In addition, a non-core-cultivated and no-compost-topdressed treatment was included. Three 10-d dry down periods were imposed during the summers. During the dry down periods, compost treatment increases SWC in the 15-30 cm soil depth during the first four days of dry down and in the 0-15 cm depth 7-10 days into the dry down period. Compared to the control, compost treatments at 66 and 99 m3ha-1 reduced turf canopy temperature by 1.2-3.3°C during 4-10 days of dry down, indicating less drought stress. While ;Nuglade' and 'Livingston' turf quality of control (no compost treatment) declined to an unacceptable level on day 8 of dry down, plots with 66 and 99 m3 ha-1 compost treatments maintained acceptable turf quality during the entire dry down periods. In Experiment II, turf quality of 'Kenblue' declined to below 6 on day 3 for the non-cultivated and no-compost-topdressed treatment, on day 5 for the core-cultivated but no-compost-topdressed control and on day 9 for 66 and 99 m3 ha-1 compost treatments. Our results suggested that compost topdressing after core cultivation is a management practice that could reduce turfgrass irrigation requirements."
Language:English
References:29
Note:Tables
Graphs
See Also:Other items relating to: Disasters - Drought
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Johnson, G. A., Y. L. Qian, and J. G. Davis. 2009. Topdressing Kentucky bluegrass with compost increases soil water content and improves turf quality during drought. Compost Sci. Util. 17(2):p. 95-102.
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http://www.tandfonline.com/doi/pdf/10.1080/1065657X.2009.10702407
    Last checked: 10/01/2015
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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