Earthworm Bioproduct: Urigo and Vermicompost What is urigo? Urigo is an organic bioproduct of earthworm which is an excellent source of organic manure. The earthworms don’t have urinary tract, that’s why they extract liquid matters through their cutaneous surface. This is the urine of earthworm. In this post we will know about Earthworm Bioproduct Urigo… Continue reading Earthworm Bioproduct: Urigo and Vermicompost