From Punjab Agri University and JNU, a solution to stubble burning -Shivnarayan Rajpurohit

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published Published on Nov 25, 2019   modified Modified on Nov 25, 2019
-The Indian Express

Biochar is granular material obtained by heating crop residue at 400°C to 600°C in a kiln-shaped structure in the absence of oxygen. It is used as fertiliser to improve soil health and water-holding capacity of agriculture land.

New Delhi: At a time when various measures have failed to find a solution to stubble burning, scientists from Punjab Agriculture University (PAU) and Jawaharlal Nehru University (JNU) may hold a ray of hope: Biochar.

Biochar is granular material obtained by heating crop residue at 400°C to 600°C in a kiln-shaped structure in the absence of oxygen. It is used as fertiliser to improve soil health and water-holding capacity of agriculture land.

Rajeev Kumar Gupta, senior scientist at PAC, said biochar can reduce greenhouse gas emissions by 70%. “With help from ICAR a year ago, PAC set up structures at four Krishi Vigyan Kendras in Punjab to produce biochar. We’ve been demonstrating the technology to farmers.”

He estimated that the project in Punjab may cost Rs 400-500 crore. In 2018-19, the Centre disbursed Rs 300 crore for in-situ management of stubble in Punjab. “Around 12,857 villages in Punjab burn stubble. Each village should have at least 5-8 structures,” he added.
 

The Indian Express, 24 November, 2019, please click here to read more

The Indian Express, 24 November, 2019, https://indianexpress.com/article/cities/delhi/from-punjab-agri-university-and-jnu-a-solution-to-stubble-burning-6133949/?fbclid=IwAR0_huCrTQifhtCfPuon7Z_JZT5tV4


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