The effect of nitrogen fertilization on yield, quality, and storage ability of chinese cabbage

abonos nitrogenados almacenamiento application rates brassica chinensis calidad chinese cabbages chou chinois col china contenido de materia seca crop yield dose d'application dry matter content harvesting date losses nitrate nitrates nitratos nitrogen fertilizers noruega norway perte postharvest physiology quality rendement des cultures rendimiento de cultivos stockage storage weather