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PUSA Decomposer

  • Published
    16th Sep, 2021

GS-III: Economy

  • Agriculture

GS-III: Environment 

  • Conservation

Terming the bio-decomposer technique (PUSA Decomposer) a success at curbing stubble burning in the Capital, Chief Minister Arvind Kejriwal recently appealed to the Centre to ask the neighboring States to use the same to prevent pollution.

Prelims question:

‘PUSA Decomposer’, seen in news recently, is a:

  • A.
  • B.
  • C.
  • D.

Mains Question:

Stubble burning has been seen by many as a major cause of air pollution during winters in North Indian cities. In this context, enumerate various ways in which farm stubble can be effectively and sustainably managed. (150 Words)


  • Introduce by describing the scenario of stubble burning, regions where this practice is prevalent and why
  • Discuss how it becomes a major factor in increased air pollution in North Indian cities during the winter season when Rabi crops are to be sown
  • Enumerate various ways - like PUSA decomposer, use of modern machines, alternate usages of stubble, etc. which can limit the practice of stubble burning
  • Way Forward / Conclusion

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