Energy use in U.S. agriculture: an evaluation of national and regional impacts from alternative energy policies

Modern agriculture depends heavily on fossil fuel energy to power its machinery, to pump irrigation water, to produce fertilizers, and for many other uses. Further increases in energy prices will have important impacts on U.S. agriculture. Energy intensive irrigated farming will suffer most severely. But as energy prices continue to increase, other types of farming will also be affected.https://lib.dr.iastate.edu/card_reports/1077/thumbnail.jp