New mass production processes included the semi-closed pile fermentation method and thedirect phosphate mineral production method.

The earthworms was fed with fermented residue, their weight increased about 28.7% and the breed rate rised to 98.35% comparing with using the residue of composted domestic waste as the feed.

After retting heap after fermentation, the tea will be some scattered light, so to rehabilitation kneading 5 to 6 minutes.