Chapter 1. Our threatened agricultural resources. Pages 1-13.

Keywords: agricultural problems, energy, the alarming increase in the costs of energy inputs during the 1970s, fuel used on farms did not increase during the period of sharply escalating energy costs, fertilizer prices, highly dependent on energy costs, increased steeply in the last decade, nutrient usage increased modestly during the 1970s, dramatic price increases in all farm inputs occurred during the last decade as a result of inflationary increase fueled by energy costs, although gross farm income has increased threefold since 1970, production expenses have also risen dramatically, net farm income has not kept pace with inflation, water, meeting the challenge