Wednesday, May 6, 2020
Energy and Industrialized Agriculture Essay - 1599 Words
Agricultural practices throughout the ages have evolved dramatically. Having started off as simple pastoral management and shifting cultivation, these methods have been altered substantially in the name of ââ¬Å"progressâ⬠, primarily in the US and other industrialized nations. Through this progression the energy inputs and outputs has been drastically altered. The industrialized food system as we know it is much more complex today than the simple agricultural practices used thousands of years ago. Today, the industrialized agricultural system is dependent on extraordinary amounts of fossil fuel inputs in order to maintain its complexity. Energy is needed for growing, processing, packaging, distributing, preparing and disposing of food. With theâ⬠¦show more contentâ⬠¦These factors account for the calculation that on average each person in the US consumes 400 gallons of oil equivalent each year. [4] Most of this energy is used for the production of fertilizers which are n ecessary for the high yielding crops we have grown accustom to. Fertilizer is produced using the Haber-Bosch process which uses methane from natural gas in order to complete nitrogen fixation from the atmosphere. Another source of this petroleum use on a smaller scale is for the production of pesticides. The crops being grown, like corn and soybeans, are monoculture which are typically more prone to insect infestation and therefore covered in energy-intensive pesticides. Most pesticides are derived from ethylene and propylene, which are obtained by catalytic cracking of crude petroleum oils, or from methane from natural gas. These crops are being grown in large part to continue the energy-inefficiency of our industrial food system. Energy on Earth is almost entirely derived from the sun. Plants are able to absorb this energy, and through photosynthesis, convert it into energy that is useful to other living organisms on Earth. Western culture has distorted this simple process and created a much more complex way of consuming this energy. Monoculture crops, like corn, are being produced on very large scales, however the energy absorbed by these autotrophs arenââ¬â¢t what is being served on our plates. Typically this energy is transportedShow MoreRelatedThe Impact of Concentrated Animal Feeding Operations1629 Words à |à 7 Pagesway human beings raise and keep animals meant for food. While in the past there were great numbers of widely spaced small individual farms, now there are relatively few, but extremely large industrialized farms. 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