부산대학교 도서관

The authors study emissions of ammonia and ammonium into the atmosphere from straw and stubble burning in the United Kingdom. They look at data over the period 1981 to 1992. These emissions have declined in this period, due to impending legislation, but have ranged from 20 to 3.3 ktonnes N yr[sup [minus]1]. They estimate this to represent between 40 and 80% of the total plant nitrogen which is released in this manner. The authors feel this work indicates that straw and stubble burning is a significant factor in nitrogen emissions from the European and North American farming regions.