Studies of the Contents of N, P and K and Organic C in Dustfall in Spring in Shenyang City
The contents of N , P and K and organic C in dustfall in Shenyang atmosphere in Spring in 2005 were analyzed and compared with the contents of the soil from nearby cities and the soil from suburb field. The results show that the dustfall can carry lots of nutritious elements as N, P and K and organic C. The contents of N, P and K and organic C in dustfall in Shenyang atmosphere were higher than that in the soil from suburb field. The contents of whole N in dustfall were little higher than that in soil from nearby cities. The contents of whole K in dustfall were lower than that in the soil from nearby cities. The varieties of the contents of whole P and organic C were greater. These contents from the observation spots were sometimes higher or sometime lower than that in the soil from nearby cities, showing that the origins of P and organic C in dustfall were very complex.
国家科技期刊平台
NSTL
万方数据
维普
