1. Overview of the grain storage business 1.1 Stored seeds France produces around 70 Mt of cereals, oilseeds and protein crops, representing 1/5th of European production. There are three main categories of seeds: cereals, such as wheat, barley and corn; oilseeds, such as rapeseed or sunflower, which are grains with a high oil content; protein crops, such as peas and beans, which are protein-rich grains. Figure 1 shows the key data for each product.