By Carl F. Jordan
ISBN-10: 9400767897
ISBN-13: 9789400767898
ISBN-10: 9400767900
ISBN-13: 9789400767904
Modern business agriculture isn't sustainable as a result of its heavy reliance on petroleum, a non-renewable resource of the strength utilized in farming, and thanks to toxins attributable to petroleum items comparable to fertilizers and insecticides. A structures research of farming means that agriculture could be extra sustainable whilst providers of nature, akin to nutrient recycling via soil micro-organisms and normal controls of bugs, exchange the providers now supplied through strength from petroleum. Examples are drawn from the Southeastern united states, yet classes realized may be utilized all over the world.
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Extra resources for An Ecosystem Approach to Sustainable Agriculture: Energy Use Efficiency in the American South
Example text
At low speeds, profits are lost due to long delivery times. At high speeds, profits are lost because of high fuel costs due to inefficient combustion. Energy input to attain maximum energy use efficiency (sustainability) does not occur at the point of optimum efficiency for maximum power output (point A in Fig. 2), but occurs below this point. Nevertheless, economically rational farmers would tend to operate at this point. 12). At the input rate at point A, the farmer is getting the maximum power (yield) possible by increasing input rates.
S. (1974). Energy sources, use, and role in human affairs. North Scituate: Duxbury Press. Trani, M. K. (2008). Terra-5. Maintaining species in the South. Southern Forest Resource Assessment Draft Report. us/sustain. Accessed 15 Nov 2012. Vucetich, J. , & Peterson, R. O. (2004). The influence of top−down, bottom− up and abiotic factors on the moose (Alces alces) population of Isle Royale. Proceedings of the Royal Society London B, 271, 183–189. Chapter 2 A History of Unsustainability in Agriculture Abstract Throughout history, farmers have sought to maximize yield, because growing bumper crops gives them a competitive advantage over their neighbors.
A3. CIMMYT. (1989). Toward the 21st century: Strategic issues and the operational strategies of CIMMYT. Mexico City: International Center for the Improvement of Maize and Wheat. Cox, G. , & Atkins, M. D. (1979). Agricultural ecology. H. Freeman. Dartt, B. , Lloyd, J. , Radke, B. , Black, J. , & Kaneene, J. B. (1999). A comparison of profitability and economic efficiencies between management-Intensive grazing and conventionally managed dairies in Michigan. Journal of Dairy Science, 82, 2412–2420.
An Ecosystem Approach to Sustainable Agriculture: Energy Use Efficiency in the American South by Carl F. Jordan
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