Graduate Thesis Or Dissertation

 

Low Maintenance Strategies and Challenges within Oregon School Landscapes Public Deposited

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/q237hx255

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  • Ornamental landscapes require considerable amounts of inputs, including but not limited to irrigation, mowing or pruning, fertilization, and pest management. However, school systems have limited budgets, which reduce their access to resources and labor hours. Therefore, the objective of this project is to identify ground covers that can compete with weeds and maintain aesthetic quality while under minimal maintenance. To explore this objective, a field experiment was initiated in May 2015 at Corvallis, OR. Experimental design was a randomized complete block design with 4 replications. Factors include year (2015 and 2016) and ground cover taxa. Taxa included 3 turfgrasses (Festuca rubra L. ssp rubra ‘Chantilly’, Festuca rubra L. spp. commutata ‘Longfellow II’, Agrostis tenuis Sibth ‘Puritan’) and 7 forb or shrub plants (Vinca minor ‘Illumination’, Cotoneaster dammeri ‘Coral Beauty’, Euonymus fortunei ‘Kawensis’, Juniperus horizontalis ‘Blue Chip’, Herniaria glabra ‘Green Carpet’, Sedum spurium ‘Tri-Color, and Ceanothus glorious ‘Point Reyes’), which were selected using a school system stakeholder group. All plots received daily irrigation for the first 4 months and subsequently discontinued in September 2015. Plots are weeded and fertilized (4.88 g nitrogen m-2) once annually. Results determined that A. tenuis had the highest plant cover (68.1%), followed by F. Rubra ‘Chantilly’ (68.1%) and F. Rubra ‘Longfellow’ (66%), then S. spurium (24%) and J. horizontalis (22.6%). The remaining ground covers all provided less than 7% plant cover. A strong inverse correlation between plant ground cover and weed ground cover was identified in both years (R2= 0.978, R2= 0.948).
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  • description.provenance : Made available in DSpace on 2017-10-16T23:39:14Z (GMT). No. of bitstreams: 2license_rdf: 1527 bytes, checksum: d4743a92da3ca4b8c256fdf0d7f7680f (MD5)Gould 2017 Dissertation.pdf: 1467414 bytes, checksum: 7c7947d99493f717acbd5f4a99f8d2da (MD5)
  • description.provenance : Submitted by Micah Gould (gouldm@oregonstate.edu) on 2017-09-08T05:05:41ZNo. of bitstreams: 2license_rdf: 1089 bytes, checksum: 0a703d871bf062c5fdc7850b1496693b (MD5)Gould 2017 Dissertation.docx: 396089 bytes, checksum: d7f49d24aaec7dd6930ccf8cc9587163 (MD5)
  • description.provenance : Approved for entry into archive by Julie Kurtz(julie.kurtz@oregonstate.edu) on 2017-09-21T14:55:16Z (GMT) No. of bitstreams: 2license_rdf: 1527 bytes, checksum: d4743a92da3ca4b8c256fdf0d7f7680f (MD5)Gould 2017 Dissertation.pdf: 1467414 bytes, checksum: 7c7947d99493f717acbd5f4a99f8d2da (MD5)
  • description.provenance : Rejected by Julie Kurtz(julie.kurtz@oregonstate.edu), reason: Hi Micah,Rejecting for the following reasons -1) Because you attached a Public Domain License to your work, which waives all of your rights to the work worldwide under copyright law. You can select another Creative Commons license which allows other to use your work without permission but you retain your copyrights.2) Your thesis was uploaded with a word doc and it must be a PDF.3) Move the Title page so it appears before the Approval page and after the Copyright page.Everything else looks good. Once revised, log back into ScholarsArchive and go to the upload page. Replace the attached file with the revised PDF and resubmit.Thanks,Julie on 2017-09-20T19:27:40Z (GMT)
  • description.provenance : Approved for entry into archive by Margaret Mellinger(margaret.mellinger@oregonstate.edu) on 2017-10-16T23:39:14Z (GMT) No. of bitstreams: 2license_rdf: 1527 bytes, checksum: d4743a92da3ca4b8c256fdf0d7f7680f (MD5)Gould 2017 Dissertation.pdf: 1467414 bytes, checksum: 7c7947d99493f717acbd5f4a99f8d2da (MD5)
  • description.provenance : Submitted by Micah Gould (gouldm@oregonstate.edu) on 2017-09-21T00:50:05ZNo. of bitstreams: 2license_rdf: 1527 bytes, checksum: d4743a92da3ca4b8c256fdf0d7f7680f (MD5)Gould 2017 Dissertation.pdf: 1467414 bytes, checksum: 7c7947d99493f717acbd5f4a99f8d2da (MD5)

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