Agriculture and Cal Poly Land Many definitions of agriculture have evolved from the original The federal agency charged with administering agriculture embraces many other activities - such as nutrition program (food stamps), pet care, financial assistance (loans, bail outs, disaster relief, etc.), Food and Drug administration (Health and Human Services Department) regulates most foods - not Ag department The agriculture census, however, only deals with agriculture Most of the functions of the USDA are not agriculture - they are activities related to agriculture in some way