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Non-uniform stands of red clover (Trifolium pratense L.) underseeded to winter wheat (Tritcum aestivum L.): A survey study to identify causes

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dc.contributor.advisor Deen, William
dc.contributor.advisor Martin, Ralph C.
dc.contributor.author Westra, Sabrina Veiga
dc.date.accessioned 2015-05-06T15:00:55Z
dc.date.available 2015-05-06T15:00:55Z
dc.date.copyright 2015-05
dc.date.created 2015-04-30
dc.date.issued 2015-05-06
dc.identifier.uri http://hdl.handle.net/10214/8815
dc.description.abstract Red clover (Trifolium pratense L.) use as an underseeded cover crop to winter wheat (Triticum aestivum L.) has declined in recent years as producers have been experiencing difficulties in maintaining uniform stands. The purpose of this study was to confirm if spatially variable emergence densities, wheat competition, or soil moisture could explain red clover non-uniformity within commercial wheat fields, where agronomic conditions did not vary within locations. A survey study was conducted at multiple locations over two years in Southern Ontario. Red clover non-uniformity was more pronounced in the first year, which had a relatively drier spring than the second year of study. None of the variables measured during in the first year were strongly correlated with final red clover biomass. In the second year, red clover densities measured shortly after emergence and soil moisture were more predictive of final red clover biomass than competition of the overlying wheat stands. en_US
dc.description.sponsorship Ontario Ministry of Agriculture, Food, and Rural Affairs en_US
dc.language.iso en en_US
dc.subject Red clover en_US
dc.subject Crop rotation en_US
dc.subject Cover crops en_US
dc.title Non-uniform stands of red clover (Trifolium pratense L.) underseeded to winter wheat (Tritcum aestivum L.): A survey study to identify causes en_US
dc.type Thesis en_US
dc.degree.programme Plant Agriculture en_US
dc.degree.name Master of Science en_US
dc.degree.department Department of Plant Agriculture en_US
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