Lal R.Soil carbon sequestration impacts on global climate change and food security.Science,2004,304(5677):1623.
[2]
Chen M L,Maie N,Parish K,Jaffé R.Spatial and temporal variability of dissolved organic matter quantity and composition in an oligotrophic subtropical coastal wetland.Biogeochemistry,2013,115:1-17.
Frogbrook Z L,Oliver M A.Comparing the spatial predictions of soil organic matter determined by two laboratory methods.Soil Use and Management,2001,17(4):235-244.
[5]
De Baets S,Meersmans J,Vanacker V,Quine T A,Van Oost K.Spatial variability and change in soil organic carbon stocks in response to recovery following land abandonment and erosion in mountainous drylands.Soil Use and Management,2013,29:65-76.
[6]
Li Q Q,Yue T X,Wang C Q,Zhang W J,Yu Y,Li B,Yang J,Bai G C.Spatially distributed modeling of soil organic matter across China:An application of artificial neural network approach.Catena,2012,104:210-218.
[7]
Cambardella C A,Moorman T B,Parkin T B,Novak J M,Parkin T B,Karlen D L,Turco R F,Konopka A E.Field-scale variability of soil properties in central Iowa soils.Soil Science Society of America Journal,1994,58(5):1501-1511.
[8]
Yost R S,Uehara G,Fox R L.Geostatistical analysis of soil chemical properties of large land areas.I.Semi-variograms.Soil Science Society of America Journal,1982,46(5):1028-1032.
