crop residue burning Tag

18 Dec Crop Residue Burning: Cause, Effect and Management

फसल अवशेष जलाना: कारण, प्रभाव और प्रबंधन Crop Residue Burning (CRB) or Burning of agricultural biomass residue has been identified as a major health hazard. Burning crop residue causes remarkable pollution problems in the atmosphere and huge nutritional loss and physical health deterioration to the soil. The burning of one tonne of paddy straw releases 3 kg particulate matter 60 kg CO, 2 kg SO2 and 199 kg ash. These gases affect human health due to general degradation in air quality resulting in aggravation of eye and skin diseases, and very fine particles can also causes chronic heart and lung diseases. The composition of nutrients in crop residue is highly rich, like one ton of paddy straw contains approximately 2.3 kg P2O5, 5.5 kg N, 25 kg K2O, 1.2 kg S, 50-70% of micro-nutrients absorbed by rice and 400 kg of carbon, which are lost due to burning of paddy straw only. India is an annual gross crop residue producer of 371 million tons (mt), of which paddy and wheat residues constitutes 51– 57% and 27–36% respectively. Apart from loss of nutrients, some of the soil properties like soil temperature, pH, moisture, available phosphorus and soil organic matter are greatly affected due to burning in the fields. The major impact of crop residue burning are...