This one-page Ag quickCAST contains excerpted material from its companion CAST document (IP 51), Food, Fuel, and Plant Nutrient Use in the Future.

Future food, fiber, and fuel demands will not be met by expanding cropland area; continued advances in nutrient use efficiency will moderate increased nutrient demand. With a growing population, dwindling arable land, and an increased demand for biofuels, the world cannot count on an expansion of harvested area to fill the demands of the world’s growing population.