Both the Punjab and the Haryana government have imposed a ban on burning paddy residue which could lead to prosecution of erring farmers.
However, reports from various parts of the two states suggest farmers still burn paddy straw despite being asked time and again to shun this practice and providing subsidy on farm implements like happy seeder, rotavators, straw reapers for managing straw in sustainable manner.
"Farmers, especially the small ones still prefer to burn paddy stubble rather than using solutions like happy seeders as they think it involves spending money," Punjab Commissioner of Agriculture, B S Sidhu said today.
The problem of crop residue burning assumes significance as a whopping 22 million tonne of paddy residue is being disposed of every year by this process, farming experts said.
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Stubble burning causes emission of smoke and toxic gases such as carbon dioxide, carbon monoxide, methane and nitrous oxide. It also leads to poor soil health by eliminating essential nutrients, they said.
It is estimated that burning of one tonne of rice straw accounts for loss of 5.5 kg nitrogen, 2.3 kg phosphorus, 25 kg potassium and 1.2 kg sulphur.