... consuming forages only are at least partially offset by the sequestration of CO2 by those same perennial forages. In Ireland, Casey and Holden [50] undertook a ‗cradle-to-farm gate‘ LCA approach to ... used a model farm approach and compared one organic and one conventional arable farm on clay soil (both growing potato, sugar beet, wheat, carrot, onion and pea) and one organic and conventional ... efficiencies, an aspect that requires more study. Finally, reducing transport offers some additional, if smaller, potential for E and GHG gains (and again data for the Canadian food system is lacking) and...