Browsing by Author "Burke, Ingrid, advisor"
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Item Open Access Microbial responses to plant functional types and historical resources additions in the shortgrass steppe(Colorado State University. Libraries, 2009) Bontti, Eliana E., author; Burke, Ingrid, advisorNutrient addition in rangelands is an appealing way to increase plant biomass and quality, but little is known about the long-term effects of these additions on soil microbial activity and nutrient cycling. In addition, microbial activity may be affected by plant functional types (PFT) through influence on the levels of inorganic nitrogen (N) and labile carbon in the rhizosphere. This is particularly important in the shortgrass steppe (SGS), where plants with the C3 or C4 photosynthetic pathway differ in phenology, which affects the timing of maximum N uptake and root exudate production.