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  • Tapping the hidden value of farm waste | MIT News

    India has millions of small farms, many an acre or less in size, cultivating rice, wheat, sugarcane, and other staple crops. And twice a year, when the harvest is done, these farms go u

    in flames.

    Satellite imagery of agricultural regions such as the Punjab shows thousands of smoke

    lumes rising as farmers burn biomass waste in the form of husks, stalks, and other

    lant residue in order to clear the land for another cro

    cycle. This smoke affects air quality locally and carries as far as major cities like Delhi. In fact, the

    ractice of burning biomass in the open is so widespread that it was found to account for about 18

    ercent of global carbon dioxide emissions in a 2014 Stanford University study.

    There is unta

    ed value in this waste — especially as a biofuel alternative to co


    全文(Full Article): https://news.mit.edu/2017/tapping-hidden-value-of-farm-waste-0125?groupid=28.9937.81433.81461&pid=1280267&startgroup=