Crop-residue burning had led to air pollution across the region and also severely affected air quality in the National Capital Region.
According to the Hisar-based Haryana Space Applications Centre (HARSAC), the area in which stubble was burnt in 2016 was more than what it was in the previous two years and the same as 2013.
"Stubble was burnt (during the harvest period) in over 2,08,000 hectares in 2013 and the successive two years showed declining trend. However, in 2016 stubble was burnt over the same area as it was in 2013," HARSAC Chief Scientist R S Hooda said today.
"Satellite data showed that in 2013, stubble was burnt in 2,08,000 hectares of land, in 2014 in 1,78,000 hectares and in 2015 in 1,63,000 hectares. However, in 2016, it suddenly increased to what it was in 2013. Last year November we saw smog engulfing the Delhi and the NCR," Hooda said.
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The chief scientist said North and northwestern districts of Ambala, Yamunanagar, Panchkula, Kaithal, Kurukshetra, Karnal, Panipat, Jind, Hisar, Fatehabad and Sirsa are the major rice growing areas.
Many farmers in Haryana and neighbouring Punjab have over the years continued with the practice that has led to health risk and adversely affected soil health.
Rice plantation takes place in the state in June and July and paddy is harvested from the first fortnight of October to the first fortnight of November.
He said there are four to five districts, where the problem of stubble burning is more including Kurukshetra, Kaithal, Karnal, Fatehabad and Sirsa.