[Orienting at the producer: beans]

calidad proteica consommation alimentaire consumo de alimentos date de semis environmental factors facteur du milieu factores ambientales farm inputs fecha de siembra fenologia food consumption insumos agricolas moyen de production agricole nicaragua nutritive value phaseolus vulgaris phenology production structure protein quality rotation culturale rotational cropping sowing date structure de production technologie technology tecnologia valeur nutritive valor nutritivo variedades varieties