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Science & Tech.
Pradeep Kumar

10/10/21 10:30 AM IST

A spraying solution to stem stubble burning in Haryana fields

In news

Bengaluru-based firm is providing technology to aid farmers spray decomposers over an unprecedented 5 lakh acres.

Technology
  • The boom sprayer, as it’s called, looks like a hybrid between a tractor and an autobot from the Transformers; its definitive features are two 20-feet booms that spread out like outstretched wings.
  • On them are equally spaced nozzles that spray bio-decomposers on the freshly harvested rice field.
  • The decomposers are a powder mixed in water meant to accelerate the process of turning rice stubble into compost.
  • The promise of the PUSA spray is that because it employs natural enzymes, it will improve soil fertility and because there will be no burning, carbon as well as essential soil-micronutrients will be retained.
  • The use of biodecomposers to accelerate rice-stubble disintegration isn't new and farmers have long used straw, cow dung and other products but nurture.farm’s approach to the exercise is scale.
Time required for decomposition
  • Untreated rice straw takes 4-8 weeks to disintegrate which is too long for the average farmer to wait to be able to sow the winter wheat crop.
  •  The other option is to employ farm labour, who will cut the stalk and pile it into bundles, but that’s expensive and unaffordable for more than 95% of the farmers.
Source: The Hindu

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