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Full-Text Articles in Physical Sciences and Mathematics
Factors That Influence The Adoption Of Agricultural Conservation Programs In Northwest Arkansas, Edison Anthony Froelich
Factors That Influence The Adoption Of Agricultural Conservation Programs In Northwest Arkansas, Edison Anthony Froelich
Graduate Theses and Dissertations
A survey was developed and administered to agricultural producers in Northwest Arkansas in order to better understand producer awareness of, application for and participation in six federal and state conservation programs available in Arkansas: the Environmental Quality Incentives Program, the Conservation Reserve Enhancement Program, the Arkansas Revolving Loan Program, the Arkansas Nonpoint Pollution Management Program , the Arkansas Soil Nutrient and Poultry Litter Application and Management Program, and the Surplus Poultry Litter Removal Incentives Cost Share Program. Survey results found that less than half of the sample was aware of any one of the programs. A logit model was developed …
Wayne E. Sabbe Arkansas Soil Fertility Studies 2009, Nathan A. Slaton
Wayne E. Sabbe Arkansas Soil Fertility Studies 2009, Nathan A. Slaton
Arkansas Agricultural Experiment Station Research Series
Rapid technological changes in crop management and production require that the research efforts also be presented in an expeditious manner. The contributions of soil fertility and fertilizers are major production factors in all Arkansas crops. The studies described within will allow producers to compare their practices with the university’s research efforts.
Effects Of Diesel And Biodiesel Blends On Engine Performance And Efficiency, Christopher Hunt, Donald Johnson, Don Edgar
Effects Of Diesel And Biodiesel Blends On Engine Performance And Efficiency, Christopher Hunt, Donald Johnson, Don Edgar
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
Tests were conducted during the summer of 2009 on a John Deere 3203 diesel tractor to determine differences in specific fuel consumption (sfc), power take-off (PTO) torque (Nm), and PTO power (kW), between ultralow sulfur No. 2 Diesel (D2), 20% biodiesel (B20), 50% biodiesel (B50), and100% biodiesel (B100). Four 1-hr tests were conducted with D2, while three 1-hr tests were conducted with B20, B50, and B100. The results indicated that there was no significant (p < 0.05) difference between D2 and B20 for power or torque. Fueling with B50 resulted in significantly lower power and torque than fueling with D2 or B20, but significantly higher power and torque than fueling with B100. There were significant differences between each fuel in sfc; as the biodiesel blend increased, sfc also increased. Based on these data, B20 appears to be the optimal biodiesel blend for this and similar compact utility tractors since fueling with B20 resulted in no significant loss in power or torque (compared to D2) and only a slight increase in fuel consumption.