비의류제품

source assessment: mechanical harvesting of cotton - state of the art

  • 출판일1999.03
  • 저자
  • 서지사항
  • 등록일 2016.11.02
  • 조회수 518
the report summarizes reported data on air emissions from the mechanical harvesting of cotton, including the machine removal and collection of seed cotton from mature plants and the transport of this cotton from the field. machine harvesting and field transport cause air pollution in the form of respirable dust, from soil and raw cotton, and agricultural chemicals contained in the cotton dust mechanical cotton harvesting accounted for 0.002 of the national respirable particulate emissions in 1972. highest state contributions were 0.046 in texas and 0.025 in oklahoma. the air quality impact of cotton harvesting emissions was assessed in terms of source severity. the highest source severity was for raw cotton dust: 0.00703 for picking, and 0.035 for stripping
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