Published online by Cambridge University Press: 24 August 2009
Calls for small-scale farmers to move away from the use of purchased inputs in order to make farming more environmentally sustainable are being increasingly voiced on the strength of ecological arguments. These arguments, backed up by technical information on natural resource-loss or degradation, and by descriptions of sustainable indigenous systems which use few external inputs, are often persuasive. However, they can also be simplistic and misleading.