02070nam a2200217 a 450000100080000000500110000800800410001910000160006024500920007626000280016830000110019650000710020752014600027865000120173865000160175065000130176665000230177965000150180265000200181765000150183712095672024-07-06       1991    bl uuuu      00u1 u    #d1 aVOYSEST, O.  aAn ecoregional framework for bean germplasm development and natural resources research.  aCali: CIAT, 1991.c1991  a371 p.  aDocumentos de trabajo: anexo del Taller de Mejoramiento de Frijol.  aMajor bean growing environments for integrated crop and resource management research; Bean production in Africa: systems, constraints and research opportunities; The economic returns to bean research for different growing environments in Latin America; Bean production in monoculture under favorable conditions; Breeding beans for high input production systems; Producao de feijao com alta tecnologia; IPM alternatives to excessive insecticide use by small bean farmers in the Andean Zone; Breeding beans for crop associations; Growing beans in favorable environments and in associations with crops of high social or economic value; Banana-bean intercropping in Eastern and Central Africa; Sistemas de produccion de frijol en la Sierra Peruana; Frijol en cultivos multiples en Colombia; Intercropping of sugarcane with beans in Mauritius - research needs in relation to constraints production; Conservacion de suelos en el sistema intercalado cafe-frijol en la zona cafetera colombiana; Aspectos agroforestales del cultivo de frijol asociado a Bosques de Pino en el Departamento de Cauca, Colombia; Bean production in fragile, unfavorable or marginal environments: overview and issues; Breeding beans for unfavorable environments; Frijol tapado en laderas: el mejoramiento de un sistema tradicional; Conservacion de suelo y agua en la region frijolera semi-arida de Mexico; Maintaining the fertility of the oxisols under intensive bean production systems.  aFeijão  aGermoplasma  aPesquisa  aPhaseolus Vulgaris  aProdução  aRecurso Natural  aTecnologia