Download Advances in Agronomy by Donald L. Sparks PDF

By Donald L. Sparks

Advances in Agronomy is still famous as a number one reference and a primary resource for the newest study in agronomy. As consistently, the topics coated are assorted and exemplary of the myriad of subject material handled via this long-running serial. * keeps the top impression issue between serial guides in agriculture * offers well timed experiences on very important agronomy concerns * Enjoys a long-standing recognition for excellence within the box

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Agron. J. 99, 462–468. Liska, A. , Yang, H. , Bremer, V. , Klopfenstein, T. , Walters, D. , Erickson, G. , and Cassman, K. G. (2008). Improvements in life cycle energy efficiency and greenhouse gas emissions of corn-ethanol. J. Ind. x. Mitchell, D. (2008). A Note on Rising Food Prices Policy. The World Bank, New York Research working paper 4682. Nelson, G. , and Robertson, R. D. (2008). Green gold or green wash: Environmental consequences of biofuels in the developing world. In ‘‘Paper presented at the Allied Social Sciences Association Meeting,’’ New Orleans, USA, 4 January 2008.

Cellulosic ethanol would also have a much smaller water footprint. Some studies project that greater corn acreage for biofuel production would increase N and P losses to water in the United States. Greenhouse gases are produced from processes associated with production of biofuels, including fertilizer, pesticide, and fuel production, industrial processing, transport, and marketing. Greenhouse gases can also be emitted from land-use changes. Most studies have found that Are Biofuels Antithetic to Long-Term Sustainability of Soil and Water Resources?

There is a wide array of potential biofuel feedstocks across the world. The largest growth recently has been in production of ethanol and diesel biofuels for transport using agricultural crops as feedstocks. Currently, most of the world’s ethanol production comes from sugarcane in Brazil and corn in the United States. For biodiesel, the most common feedstocks are rapeseed in the EU, and soybean in the United States and Brazil. Palm, coconut, and castor oils are used in tropical and subtropical countries as biodiesel feedstocks.

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