Date of Award
1-7-2013
Document Type
Thesis
Degree Name
Agriculture, MSA
First Advisor
Steven Green
Committee Members
Calvin Shumway; Keith Morris
Call Number
LD 251 .A566t 2012 A33
Abstract
Use of biomass to produce energy is a renewable source. A field experiment was established during 2009 in Northeast Arkansas to evaluate eastern gamagrass, switchgrass and biomass sorghum response to nitrogen fertilization on nitrogen dynamics and dry biomass yield. Nitrogen fertilizers included municipal biosolids, poultry litter, urea and a control. Throughout 2010 and 2011, switchgrass yielded greater biomass compared to gamagrass. Nitrogen fertilization increased yield compared to the control. In 2010, nitrogen use efficiency was greater for switchgrass compared to gamagrass. During 2011 NUE was lesser for biomass sorghum than for gamagrass. Switchgrass yielded greater biomass than gamagrass and biomass sorghum. Plots receiving no nitrogen indicate that sustainable production of bioenergy crops is not feasible without nitrogen fertilization in the Midsouth region. Further investigation on nitrogen dynamics and nutrient partitioning is needed to develop productive and efficient bioenergy systems for this region.
Rights Management
This work is licensed under a Creative Commons Attribution 4.0 International License.
Recommended Citation
Acosta Gamboa, Lucia Margarita, "Nitrogen Dynamics of Switchgrass, Eastern Gamagrass and High Biomass Sorghum from Different Sources of Chemical and Organic Nitrogen Fertilizers" (2013). Student Theses and Dissertations. 843.
https://arch.astate.edu/all-etd/843
