David M B. Carbon control on spodosol nitrogen, sulfur and phosphorus cycling [M] / / McFeeW W, Kelly J M. Carbon Forms andFractions in Forest Soils. Soil Science Society of America, 1988:329 - 353
[18]
Dixon R K, Brown S, Houghton P A. Carbon pools and flux of global forest ecosystem [J]. Science, 1994, 263: 185 - 190
[19]
Sundquist E T. The global carbodioxide budget [J]. Science,1993, 259: 935 - 941
[20]
Jobbagy E G, Jackson R B. The vertical distribution of soil organiccarbon and itps relation to climate and vegetation [J]. Ecol App l,2002, 10 (2) : 423 - 436
[21]
Mann L K. Change in soil carbon storage after cultivation [J]. SoilSci, 1986, 142: 279 - 288
[22]
Davison E A. Acherman I L. Change in soil carbon inventions following cultivation of p reviously untilled soils [J]. Biogeochemistry,1993, 20: 161 - 193