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The Study of Changing Dynamics on Chemical Components of Decomposed Litters in Aneurolepidum chinense Rangeland of Songnen Plain

Guo Jixun; Zhu Tingcheng(National Laboratory of Grassland EcologicaI Engineering,Northeast China Normal Universiy,Changchun, Jilin 130024,P.R.China)  
The chemical components of litters on rangeland together with their nutrient substances are continuously released into soil in the process of decornposition。The dissolved loss of carbohydrate went on fastly in thefirst place,and crude fat,the second,then at last, cellulose lost slowly among all the organic componen ts oflitters after 195 days' decomposition elapsed from April to October in the year of our experiment on Aneurole-pidiam chinense rangeland.The changing contents of inorganic components among all chemical elements wereobviously correlated significantiy and the loss of elements in size order was taken place in K,P,N,Na,Ca,Mn,Mg,Fe,Cu and Zn successively from decomposing litters。
【Fund】: 国家自然科学基金
【CateGory Index】: S812.3
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