The study of Nitrogen in Yitong River in Changchun region

摘要

From May to October in 2010, the content of Nitrogen in Yitong River was detected for six times continuously. And the results showed that the average content of NO3⁻-N in the researching area was not high, but NH4⁺-N and NO2⁻-N were higher relatively. According to their distribution, they all tended to increase from upriver to downriver. And their content changed significantly in different sampling time and space.