00855naa a2200217 a 450000100080000000500110000800800410001902400310006010000160009124500850010726000090019252001990020165000280040065000130042865000330044165000260047465300220050065300220052270000200054477300730056416610402023-07-12 2010 bl uuuu u00u1 u #d7 a10.1051/agro/2009047.2DOI1 aANDRIEU, N. aModeling biomass flows at the farm levelba discussion support tool for farmers. c2010 aMany simulation models that are used to assess the impact of mixed farming systems have a high level of complexity that is not suitable for teaching farmers about the impacts of their practices. aSustainable development aCaatinga aDesenvolvimento Sustentável aSistema de Produção aLavoura pecuária aSistema agrícola1 aNOGUEIRA, D. M. tAgronomy for Sustainable Developmentgv. 30, n. 2, p. 505-513, 2010.