Agricultural Lands Frequently Require Nutrient Augmentation Because ________

Multiple Choice

Agricultural lands frequently require nutrient augmentation because ________.

A) nitrogen-fixing bacteria are not as plentiful in agricultural soils because of the use of pesticides
B) the nutrients that become the biomass of plants are not cycled back to the soil on lands where they are harvested
C) land that is available for agriculture tends to be nutrient-poor
D) cultivation of agricultural land inhibits the decomposition of organic matter