Although the high temperatures in Bulgaria are not quite as good for yields, they have enabled farmers to start harvesting a bit earlier than usual. The sunflowers as such may in general have a good appearance, yet farmers are reckoning with many so-called "heat seeds" at the start of the harvest. Because of the heat these seeds contain smaller than average kernels. Hope is that the kernels will turn out bigger as the harvest progresses in two to three weeks.
The European Commission has once again revised the sunflower seed production estimate