Analysis of seed and ware potato production systems and yield constraints in Argentina

argentina argentine augmentation de rendement aumento del rendimiento ecologia ecologie ecology facteur de rendement factores de rendimiento fisiologia vegetal improvement land use papa papa de siembra plant de pomme de terre plant growth substances plant physiology plant production pomme de terre potatoes production de semences quality rendement rendimiento seed seed potatoes seed production semence semillas simulation models solanum tuberosum sustancias de crecimiento vegetal systems analysis utilisation des terres yield factors yield increases yield losses yields