why biogas is a boon to the farmers?

There are various benefits of using biogas for farmers including 

• Production of energy ,(heat, light, electricity) at economicak rate.
• Transformation of organic wastes into high quality fertilizer.
• Improvement of hygienic conditions through reduction of pathogens, worm eggs and flies.

But one advantage which has proved boon is transformation of organic wastes into high quality fertilizer. The output from the digester (digested manure) is actually a high quality organic fertilizer which contains three times more nitrogen than normal manures and also cheap and eco friendly. It helps in producing good quality yield of the crops.