Piotr Hamrol

Topic: Experience with starting substrate production for Shiitake in Poland.


Piotr has been in the mushroom business for 4 years, and has been responsible for exotic mushrooms substrate production for 3 years. He is a production manager in polish company Holpol Compost and makes sawdust based substrate for Shiitake, Eryngii, Maitake and Reishi.