Energy offsets, biogas, energy crops and residues have a more limited role on organic farms
compared to conventional ones, because of the nutrient and soil building uses of soil
organic matter, and the high demand for organic foods in human markets. If farm E use
represents 35% of total food chain E use, improvements shown of 20% or more in E
efficiency through organic farm management would reduce food-chain E use by 7% or
more. Among other food supply chain stages, wholesale/retail (including cooling and