The following is required for the production of Stroh Pellets: water, molasses, and straw
You may make 9000 liters of straw pellets from 3000 liters of straw, 30 liters of water, and 30 liters of molasses.
The following is necessary for the manufacturing of hay pellets: Water, molasses, and hay
Nine thousand liters of hay pellets are made from three thousand liters of hay, thirty liters of water, and thirty liters of molasses.
Category of shop: manufacturing facilities
Cost: €20,000
Maintenance cost per day: €5.
Needs: Harvest Pack of Straw

Source: Alex1995H