Friday, June 24, 2016

Nitrogen fixation, Rhizobium, legumes, haber process

A detailed tutorial on all aspects of Rhizobium, (what, where and how it fixes nitrogen.....):-

Production of Biogas (English)




Very well explained video on how to make bio-gas:-


Production of Biofertilizers



Following video shows in simple steps how to make different kinds of bio-fertillizers.