摘要: Abstract Agroecosystems may be regarded as true cybernetic systems whose goal is increased social value. This achieved through a variety of strategies that combine different levels productivity, stability, sustainability and equitability. Agricultural development thus involves making trade-offs between these properties. The point illustrated by selected examples from agricultural history, including the origins agriculture, manorial modern western Green Revolution in Indonesia. It suggested properties used normatively combined criteria for evaluating performance programmes projects.