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Soil organic carbon pools in turfgrass systems of OhioSingh, Mamta Hari Om, January 2007 (has links)
Thesis (Ph. D.)--Ohio State University, 2007. / Title from first page of PDF file. Includes bibliographical references (p. 129-137).
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Phophorus and nitrogen leaching losses during turf establishmentHay, Francis John 30 September 2004 (has links)
Concerns over water quality have led to required removal of 50 % of dairy manure phosphorus (P) from the impaired Bosque River Watershed. Application of composted dairy manure (CDM) to sod and moving P off the watershed with sod has prompted a study using box lysimeters to determine NO3--N and P leaching from transplanted sod grown with CDM and inorganic fertilizer as well as sprigs top-dressed with CDM. Treatments were applied to lysimeters filled with a silica sand medium. Three leaching events were imposed, leaching 0.07 to 0.09 % of the total P applied and 0.09 to 1.43 % of total N applied. Concentrations of P in leachate averaged 0.04 to 0.25 mg L-1. Top-dressed CDM on sprigs leached statistically greater amounts of NO3--N than both transplanted sod treatments and greater P than the fertilizer grown sod. After the third leaching event, all treatments received an additional application of P, 100 kg ha-1 as CDM for manure-grown sod and sprigs, 50 kg ha-1 as triple superphosphate for fertilizer-grown sod. An additional three leachings were imposed. Top-dressed sprigs and transplanted sod leached similar amounts of P following the additional P application. Applied nutrients appeared to stay mainly in the sod layer and in the sand medium just below the sod layer. Top-dressed CDM appears to exhibit greater leaching losses of NO3--N than transplanted manure-grown sod and greater N and P losses than transplanted fertilizer grown sod.
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Warm-season turfgrass species adaptation, drought resistance and response to trinexapac-ethyl application under a Mediterranean environment /Severmutlu, Songul. January 2009 (has links)
Thesis (Ph.D.)--University of Nebraska-Lincoln, 2009. / Title from title screen (site viewed October 13, 2009). PDF text: xiii, 173 p. : col. ill. ; 6 Mb. UMI publication number: AAT 3355630. Includes bibliographical references. Also available in microfilm and microfiche formats.
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Development of microbial community structure in turfgrass rootzone mixtures varying by amendment, age, presence of plants, and environmentGaulin, Eric Richard. January 2009 (has links)
Thesis (Ph. D.)--Rutgers University, 2009. / "Graduate Program in Environmental Sciences." Includes bibliographical references (p. 270-282).
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Anthracnose severity influenced by cultural management of annual bluegrass putting green turfInguagiato, John C. January 2009 (has links)
Thesis (Ph. D.)--Rutgers University, 2009. / "Graduate Program in Plant Biology." Includes bibliographical references.
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Amendments and construction systems for improving the performance of sand-based putting greensOk, Chang-Ho, January 2003 (has links)
Thesis (Ph. D.)--University of Missouri-Columbia, 2003. / Typescript. Vita. Includes bibliographical references (leaves 117-121). Also available on the Internet.
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Amendments and construction systems for improving the performance of sand-based putting greens /Ok, Chang-Ho, January 2003 (has links)
Thesis (Ph. D.)--University of Missouri-Columbia, 2003. / Typescript. Vita. Includes bibliographical references (leaves 117-121). Also available on the Internet.
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Soil and management of sports turf: a case study in Hong KongLee, Shun-wa., 李巽華. January 1994 (has links)
published_or_final_version / Geography and Geology / Master / Master of Philosophy
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Phophorus and nitrogen leaching losses during turf establishmentHay, Francis John 30 September 2004 (has links)
Concerns over water quality have led to required removal of 50 % of dairy manure phosphorus (P) from the impaired Bosque River Watershed. Application of composted dairy manure (CDM) to sod and moving P off the watershed with sod has prompted a study using box lysimeters to determine NO3--N and P leaching from transplanted sod grown with CDM and inorganic fertilizer as well as sprigs top-dressed with CDM. Treatments were applied to lysimeters filled with a silica sand medium. Three leaching events were imposed, leaching 0.07 to 0.09 % of the total P applied and 0.09 to 1.43 % of total N applied. Concentrations of P in leachate averaged 0.04 to 0.25 mg L-1. Top-dressed CDM on sprigs leached statistically greater amounts of NO3--N than both transplanted sod treatments and greater P than the fertilizer grown sod. After the third leaching event, all treatments received an additional application of P, 100 kg ha-1 as CDM for manure-grown sod and sprigs, 50 kg ha-1 as triple superphosphate for fertilizer-grown sod. An additional three leachings were imposed. Top-dressed sprigs and transplanted sod leached similar amounts of P following the additional P application. Applied nutrients appeared to stay mainly in the sod layer and in the sand medium just below the sod layer. Top-dressed CDM appears to exhibit greater leaching losses of NO3--N than transplanted manure-grown sod and greater N and P losses than transplanted fertilizer grown sod.
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Spring dead spot in tifdwarf turf, South Australia /Hawkes, N. J. January 1986 (has links) (PDF)
Thesis (M. Ag. Sc.)--University of Adelaide, Dept. of Plant Pathology, 1986. / Includes bibliographical references (leaves 179-185).
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