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Plant And Animal Performance In Tall Fescue And Tall Fescue/Legume Pastures, Troy J. Bingham
Plant And Animal Performance In Tall Fescue And Tall Fescue/Legume Pastures, Troy J. Bingham
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Tall fescue is the one of most common grasses in irrigated pastures throughout the Intermountain West. Two limitations of tall fescue are a decrease in productivity during hot summer months and the need for supplemental nitrogen (N). The objective of this research was to compare tall fescue-alfalfa (TF+ALF), tall fescue-birdsfoot trefoil (TF+BFT), tall fescue-nitrogen fertilizer (TF+N), and tall fescue without nitrogen fertilizer (TF-N) on forage yield, nutritional quality, and livestock performance. Research plots were established at the Utah State University Pasture Research Facility in Lewiston, UT in 2010 and grazed in 2012 and 2013. Treatments were arranged in a randomized …
Goatsrue (Galega Officinalis) Seed Biology, Control, And Toxicity, Michelle Oldham
Goatsrue (Galega Officinalis) Seed Biology, Control, And Toxicity, Michelle Oldham
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Goatsrue is an introduced perennial plant that has proven to have great invasive potential, leading to its classification as a noxious weed in many states and at the federal level. This research focused on seed biology, herbicide control, and toxic dynamics of goatsrue. Physical dormancy of mature goatsrue seed was tested through scarification using sulfuric acid with exposures of up to 60 minutes resulting in 100% germination. Comparison of dormancy for 26-year-old and 6-month-old goatsrue seed indicated aged seeds had reduced dormancy levels compared to newly harvested seeds, but had similar viability. Goatsrue seedling emergence was inversely related to burial …