... two feeding ports,one is for the wood log,and the other is for straw ,stalk,grass and some soft material!Their are four ... other agro-waste:wood chips, tree skin,rice husk, straw, cotton stalk, wheat straw, left over of olive, sawdust, coffee husk, paddy ... straw, sunflowers stalk, soybeans husk, seeding of yam, peanut, forestry waste, and many other agro ...