See Question 7 for background information. Question 8 Curren…
See Question 7 for background information. Question 8 Currently corn is harvested from 35 million hectares in the United States. This includes corn grain for food, feed and ethanol. It is proposed to use the corn stover generated during corn grain harvest as feedstock for ethanol production. Corn stover is a significant agricultural residue and consists of the stalks, leaves, husks, and cobs. Table 4.10 of exam handout lists the quantities of corn stover generated in the US. The moisture content of the corn stover during harvest is 30%. To conserve soil organic matter, 30% of the corn stover has to be left in the field that means only 70% of the corn stover is available for ethanol industry. How much corn stover can be recovered for the ethanol industry in the United States?
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