Turmeric can be used as spice and also medicinal herb. In Asia espercially in India, Thailand,Sri Lanka etc, turmeric are widely planted.Generally clients dry the turmeric to make powder,which is used in curry. How to dry turmeric by the dehydrator? Generally to make the powder, before drying, the turmeric will be sliced and then put them into the drying equipment.Then setting the drying temperature and drying time which is good to dry turmeric. More details, please contact TSIX sales.