The effect of diversity and spatial arrangement on biomass of agricultural cultivars and native plant species Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/8s45qd36f

Descriptions

Attribute NameValues
Creator
Abstract or Summary
  • Species and cultivar combinations have been relatively well studied, though little is known about the influence of spatial arrangement on agricultural or native plant mixtures. The effect of spatial pattern on mixtures was explored in three experiments. In the first two, agricultural and native plants were planted in two-way mixtures that included combinations of cultivars, species, genera, or functional groups. Each combination was arranged as a random mixture within rows, alternating rows of different genotypes or species, and as alternating pairs of rows. Biomass was determined for each mixture component and compared to monoculture controls. In the third experiment, two wheat cultivars were planted in seven treatments in the 2000-2001 winter wheat season and three cultivars were planted in 18 treatments in the 2001-2002 season. One cultivar was always planted at full rate, and a second cultivar was added at 1/4 rate, either randomly mixed, or between rows of the other cultivar. Performance was measured in terms of seed yield. The specific species or cultivar combination had the most consistent influence on aboveground biomass or seed yield, while the effect of spatial arrangement was significant in few treatments.
Resource Type
Date Available
Date Copyright
Date Issued
Degree Level
Degree Name
Degree Field
Degree Grantor
Commencement Year
Advisor
Non-Academic Affiliation
Subject
Rights Statement
Peer Reviewed
Language
Digitization Specifications
  • File scanned at 300 ppi (Monochrome, 8-bit Grayscale) using ScandAll PRO 1.8.1 on a Fi-6670 in PDF format. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR.
Replaces
Additional Information
  • description.provenance : Made available in DSpace on 2011-08-08T21:07:34Z (GMT). No. of bitstreams: 1 WorsterCatherineAnne2004.pdf: 2363424 bytes, checksum: a2db0fefc02c6fbc434093454af85980 (MD5) Previous issue date: 2003-05-30
  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2011-08-08T21:03:11Z (GMT) No. of bitstreams: 1 WorsterCatherineAnne2004.pdf: 2363424 bytes, checksum: a2db0fefc02c6fbc434093454af85980 (MD5)
  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2011-08-08T21:07:34Z (GMT) No. of bitstreams: 1 WorsterCatherineAnne2004.pdf: 2363424 bytes, checksum: a2db0fefc02c6fbc434093454af85980 (MD5)
  • description.provenance : Submitted by Tamera Ontko (toscannerosu@gmail.com) on 2011-08-04T19:04:02Z No. of bitstreams: 1 WorsterCatherineAnne2004.pdf: 2363424 bytes, checksum: a2db0fefc02c6fbc434093454af85980 (MD5)

Relationships

In Administrative Set:
Last modified: 08/19/2017

Downloadable Content

Download PDF
Citations:

EndNote | Zotero | Mendeley

Items