Agriculture, Ecosystems and Environment, 2002, Volume 88, pp. 111-117.
Abstract. The Natural Systems Agriculture (NSA) idea was developed at The Land Institute in 1977 and was published in 1978.This new paradigm features an ecologically sound perennial food-grain-producing system where soil erosion goes to near zero, chemical contamination from agrochemicals plummets, along with agriculture's dependence on fossil fuels.
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