http://dieoff.org/page40.htm FOOD, LAND, POPULATION and the U.S. ECONOMY Acres needed to feed a person at US dietary standards על פי דו"ח שהוכן arable land http://dieoff.org/page40.htm Retail Food is a huge http://dieoff.org/page40.htm 1.2 acres Retail Food is a huge Retail Food is a huge "Eating Fossil Fuels | EnergyBulletin.net" Acres needed to feed a person at US dietary standards "Eating Fossil Fuels | EnergyBulletin.net" http://dieoff.org/page40.htm older study from 1994 על פי דו"ח שהוכן על פי דו"ח שהוכן Food, Land, Population and the U.S. Economy על פי דו"ח שהוכן « Eating Fossil Fuels » older study from 1994 Retail Food is a huge על פי דו"ח שהוכן « Eating Fossil Fuels » http://dieoff.org/page40.htm על פי דו"ח שהוכן