Andrieu, Nadine; Piraux, Marc; Tonneau, Jean-Philippe - In: International Journal of Sustainable Development 10 (2007) 1/2, pp. 106-121
In the north-eastern semi-arid area of Brazil, because of climatic and economic risks, production systems use limited amounts of inputs and instead exploit accumulated fertility. The substitution of the woody native vegetation by pastures has led to its almost total deforestation. The...