Graduate Thesis Or Dissertation

 

Establishment of Kura clover for seed with wheat intercrops Público Deposited

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https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/cz30px01x

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  • Kura clover (Trifolium ambiguum M. Bieb.) is slow to establish and has low seed yields the year after establishment. Intercropping a cereal grain during clover seed field establishment could provide additional revenue to seed growers, provided that intercropping did not jeopardize future clover seed yields. Factorial combinations of spring- and fall-planted kura clover monocultured, companion-intercropped with wheat (Triticum aestivum L.) at two row widths, and relay-intercropped with wheat at two row widths were compared. Spring-planted clover established better than fall-planted clover as measured by percent ground cover. Both spring- and fall-planted kura clover were better established when relay-intercropped than when companion-intercropped. Spring-planted kura clover relay intercropped with fall wheat established better than any other treatment combinations, comparing favorably with spring-planted kura clover monocultures at 18 months from planting. Kura clover generally did not affect wheat yields. Wide and narrow row spaced wheat generally affected kura clover similarly, with narrow-spaced wheat out yielding wide-spaced wheat. It was concluded that relay-intercropping fall wheat into spring-planted clover does not adversely affect clover establishment and could therefore provide more cash revenue than monocultured clover during the clover establishment period.
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