5Kirschbaum M U F.The temperature dependence of soil organic matter decomposition, and the effect of global wanning on soil organic Cstorage. Soil Biology and Biochemistry),, 1995,27:753 - 760.
6Schimel D S. The carbon equation. Nature, 1998,393:208 - 209.
7Paustian K. Modeling Soil Organic Mauer Dynamlcs-global Challenges. Sustainable management of soil organic matter. London : Published by CAB International Press,2001:43 - 53.
8Maciej T. Spatial interpolation and its uncertainty using automated an isotropic inverse distance weighting (IDW)-cross-validation/jackknife approach. Journal of Geographic Information and Decision Analysis,1998,2(2):18 - 30.
