legumes in sustainable cropping systemsK H MSiddiqueauthorCJohansenauthorJ V D K KRaoauthorMAliauthorThe beneficial aspects of legumes in sustainable cropping systems have long been known and extensively documented. Although grain legumes generally contribute less fixed N than pasture legumes, due to removal from the field of grain and stover of grain legumes, there is increasing evidence of their positi"e contribution to N balances and increased yields Food LegumesAgriculture-Farming, Production, Technology, Economics2005Conference or Workshop Item