Chan K Y, Heenan D P, Oates A. Soil carbon fractions and relationship to soil quality under different tillage and stubble management. Soil & Tillage Research, 2002, 63: 133~139.
[2]
Ishaq M, Ibrahim M, Lal R. Tillage effects on soil properties at different levels of fertilizer application in Punjab, Pakistan. Soil & Tillage Research, 2002, 68: 93~99.
[3]
Johnston A E. Soil organic carbon, effects on soils and crops. Soil Use and Management, 1986, 2: 97~105.
[4]
Reeves D W. The role of soil organic matter in maintaining soil quality in continuous cropping system. Soil &Tillage Research, 1997, 43: 131~167.
Houghton R A. The contemporary carbon cycle. In: Schlesinger W H. Biogeochemistry. Oxford: Eisevier-Pergamon, 2005. 473~513.
[7]
Lal R. Soil carbon sequestration impacts on global climate change and food security.Science, 2004, 304: 1623~1627.
[8]
Murty D, Kirschbaum M F, Mcmurtrie R E, et al. Does conversion of forest to agricultural land change soli carbon and nitrogen? A review of the literature. Global Change Biology, 2002, 8: 105~123.
Blair G J, Lefroy R D B, Lisle L. Soil carbon fractions based on their degree of oxidation and the development of a carbon management index for agricultural systems. Australian Journal of Agricultural Research, 1995, 46: 1459~1466.
[13]
Lefroy R D B , Blair G, Strong W M. Changes in soil organic matter with cropping as measured by organic carbon fractions and 13C natural isotope abundance. Plant and Soil, 1993, 155~156 : 399~4021.
[14]
Zou X M, Ruan H H, Fu Y, et al. Estimating soil labile organic carbon and potential turnover rates using a sequential fumigation-incubation procedure. Soil Biology & Biochemistry, 2005, 37: 1923~1928.
Cookson W R, Murphy D V, Roper M M. Characterizing the relationship between soil organic matter components and microbial function and composition along a tillage disturbance gradient. Soil Biology and Biochemistry, 2008, 40: 763~777.
[17]
Zagal E, Munoz C, Quiroz M, et al. Sensitivity of early indicators for evaluating quality changes in soil organic matter. Geoderma, 2009, 151(3-4): 191~198.
[18]
Huang B, Sun W, Zhao Y, et al. Temporal and spatial variability of soil organic matter and total nitrogen in an agricultural ecosystem as affected by farming practices. Geoderma, 2007, 139:336~345.
[19]
Laik R, Koushlendra K, Das D K , et al. Labile soil organic matter pools in a calciorthent after 18 years of afforestation by different plantations. Applied Soil Ecology, 2009, 42: 71~78.
[20]
Flie bach A, Oberholzer H R, Gunst L, et al. Soil organic matter and biological soil quality indicators after 21 years of organic and conventional farming. Agriculture, Ecosystems and Environment, 2007, 118: 273~284.
[21]
Haynes R J. Labile organic matter fractions as central components of the quality of agricultural soils: An overview. Advances in Agronomy, 2005, 85: 221~268.
McGrath D, Zhang C S. Spatial distribution of soil organic carbon concentrations in grassland of Ireland. Applied Geochemistry, 2003, 18: 1629~1639.
[32]
Ajwa H A, Rice C W, Sotomayor D. Carbon and nitrogen mineralization in tall grass prairie and agriculture soil profile. Soil Science Society of America Journal, 1998, 62: 942~951.