01074nam a2200217 a 450000100080000000500110000800800410001910000250006024501000008526002730018550000260045852001810048465000160066565000160068165300410069765300320073865300340077070000170080470000180082170000170083921537062023-12-11       2005    bl uuuu     u00u1 u    #d1 aFREITAS, A. C. R. de  aEvaluating agricultural systems based on mulch technologyba case study.h[electronic resource]  aIN: TROPENTAG 2005: INTERNATIONAL RESEARCH ON FOOD SECURITY, NATURAL RESOURCE MANAGEMENT AND RURAL DEVELOPMENT, Stuttgart, 2005. The global food & product chain - dynamics, innovations, conflicts, strategies: book of abstracts. Stuttgart: University of Hohenheimc2005  aEditor: Eric Tielkes.  aThis results indicate that systems of temporary cultures (e.g. beans, maize and cassava) using slash-and-burn technology were more efficient with a better economic performance.  aAgriculture  aAgricultura  aIndicadores de desempenho econômico  aMão de obra familiar rural  aTecnologia de cobertura morta1 aGOMES, E. G.1 aVIEIRA, A. L.1 aCLAUS, J. C.