Many smallholders in the Amazon employ swidden (slash-and-burn) farming systems in which forest or forest fallows are the primary source of natural soil enrichment. With decreasing opportunities to claim natural forests for agriculture and shrinking landholdings, rotational agriculture on...

Organic farming is an explicitly value-based movement working towards a set of goals. The standards of organic farming serve the purpose of telling organic producers what they need to do, to be certified organic, but they are also as a means to steer them towards the goals of organic production....