Return to growth in 2012. - The agri-foods industry is expected to begin growing again, thanks to raw agricultural materials that will have less of a negative impact on agri-food profit margins in 2012. This is the analysis of several experts published in a study by ESN (European Securities Network). The fall in raw agricultural prices began to bottom out about six months ago and is expected to continue for several months. In 2012, prices are expected to fall by an average of 5%....