Biological process

positive regulation of haemoglobin biosynthesis, positive regulation of haemoglobin biosynthetic process, positive regulation of hemoglobin anabolism, positive regulation of hemoglobin biosynthesis, positive regulation of hemoglobin formation, positive regulation of hemoglobin synthesis, up regulation of hemoglobin biosynthetic process, up-regulation of hemoglobin biosynthetic process, upregulation of hemoglobin biosynthetic process

Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of hemoglobin, an oxygen carrying, conjugated protein containing four heme groups and globin.