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Creator:: Andrews, Shannon B.
Abstract:: Algae have shown great potential as a source for renewable fuels. However, current production schemes have not been able to prove a sustainable energy return on investment due in part to the high costs of nutrient addition and the energy required for drying the biomass. Integrated algae-dairy production systems have...
Resource Type:: Masters Thesis
Full Text:: Algae have shown great potential as a source for renewable fuels. However, current production schemes

Creator:: Baumeister, Nancy C.
Resource Type:: Masters Thesis
Full Text:: as a fertilizer to a variety of crops worldwide. Nitrogen exists in the atmosphere in the form of

Creator:: Marion, Carol I.
Abstract:: Three rates of urea, urea-DCD, and NH₄N0₃ were soil applied in April and August 1986 to strawberry selection OR-US 4930 and cultivar 'Sumas' to determine effects of the nitrification inhibitor dicyandiamide (DCD) and nitrogen source and rate on soil NH₄ and N0₃ levels, fruit yield and quality, and mineral composition...
Resource Type:: Masters Thesis
Full Text:: leaching and ground water contamination. When urea-DCD was applied as a nitrogen fertilizer in August

Creator:: Crown, Julia K.
Abstract:: Traditionally, livestock operations were small and combined with cropping operations. This allowed farms to be self-sustaining because nutrients were constantly recycled on the farm. Since the Haber-Bosch chemical process was patented, crop farmers turn to industrial fertilizers when soils nutrients are depleted. Animal and plant operations diverged, functionally separated, and...
Resource Type:: Masters Thesis
Full Text:: great quantities, as in fertilizer runoff, a great growth of biological material, such as algae in

Creator:: Del Moro, Sarah K.
Abstract:: Ammonia (NH₃) volatilization and loss from nitrogen (N) fertilizer in agriculture negatively impacts crops, farm profitability, human health and surrounding ecosystems where it is deposited. A significant source of NH₃ volatilization occurs from surface application of urea on sandy soils with low pH buffering capacity such as those in the...
Resource Type:: Masters Thesis
Full Text:: Dan M. Sullivan Ammonia (NH3) volatilization and loss from nitrogen (N) fertilizer in

ScholarsArchive@OSU