Husk of sunflower seeds
It is a by-product of sunflower oil manufacture. It is produced by peeling husk, when sunflower seeds are prepared for oil extraction. Sunflower husk is rich with pentosins and in form of fine cut substance it is used as an additive for coarse fodder. As well, husk is used in building sphere, for mushroom cultivation, as a fertilizer and improver of soil properties as well it is used for biogas production.