Gjalt Jan Feersma Hoekstra (Agriton)
On using micro-organisms in an agricultural way. He will show us the fermentationprocess going on in a cow´s stomach.
![](/image/2018/5/30/31495598192_93594324fe_o.jpg%28mediaclass-full-width.c3083fedae46a95f1139ff9d5833b1b6b8e20a69%29.jpg)
Gjalt Jan Feersma Hoekstra (Agriton)
On using micro-organisms in an agricultural way. He will show us the fermentationprocess going on in a cow´s stomach.