Yunhe county from Zhejiang province abounds with Shiitake and Black fungus. Recent years, Yunhe not only promote the mushroom production, but also strive to develop ecological and circulatory agriculture through using scientific production management pattern. Now multiple recycling patterns are formed initially in Yunhe county:
1. Agricultural straws(Rice, maize and soybean)--- Mushroom (Stropharia rugoso-annulata)---mushroom dregs---organic fertilizer---Rice, maize and soybean.
2. Pruning away branches---Black fungus---mushroom dregs---Single cropping rice
Livestock and poultry breeding excrement---Agricultural fertilizer fermentation pool (marsh gas)---fertilizer solution---sprinkling irrigation---Fruit tree
3. Animal manure treatment---Waste mushroom bag---Organic fertilizer---Crops
At present, there are two organic fertilizer processing factories in Yunhe county, and the annual output of organic fertilizer will reach 4000 tons.