Spatial changes in soil organic carbon density and storage of cultivated soils in China from 1980 to 2000

Global Biogeochemical Cycles

Volumn 23, Issue 2, 2009, Pages

  Yu, Yanyan ^a,b   Guo, Zhengtang ^a   Wu, Haibin ^a   Kahmann, Julia A ^a,c   Oldfield, Frank ^d  

^a INSTITUTE OF GEOLOGY AND GEOPHYSICS   (China)

^b UNIVERSITY OF CHINESE ACADEMY OF SCIENCES   (China)

^c BAYLOR UNIVERSITY   (United States)

^d UNIVERSITY OF LIVERPOOL   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

A-CARBON; ACRISOLS; AGRICULTURAL PRACTICES; BLACK SOIL; CARBON SINK; CULTIVATED SOILS; FOOD AND AGRICULTURE ORGANIZATIONS; LOESS PLATEAU; MANAGEMENT PRACTICES; MEASURED DATA; NORTH CHINA; NORTHEAST CHINA; NORTHWEST CHINA; PADDY SOILS; RED EARTH; SOIL ORGANIC CARBON; SOIL TYPES; SOUTH CHINA; SOUTHWEST CHINA; SPATIAL CHANGES; STATISTICAL ANALYSIS; TERRESTRIAL ECOSYSTEMS; UNITED NATIONS;

CLIMATE CHANGE; FORESTRY; ORGANIC CARBON; PROGRAMMABLE LOGIC CONTROLLERS; RESTORATION; SOIL SURVEYS;

SOILS;

AGRICULTURAL PRACTICE; AGRICULTURAL SOIL; CARBON SEQUESTRATION; CARBON SINK; SOIL CARBON; SOIL ORGANIC MATTER; SOIL SURVEY; SOIL TYPE; SPATIAL VARIATION; STATISTICAL ANALYSIS; TERRESTRIAL ECOSYSTEM;

ASIA; CHINA; EURASIA; FAR EAST;

EID: 70349558274     PISSN: 08866236     EISSN: None     Source Type: Journal    
DOI: 10.1029/2008GB003428     Document Type: Article

References (106)

1. Bellamy, P. H., P. J. Loveland, R. L. Bradley, R. M. Lark, and G. J. Kirk (2005), Carbon losses from all soils across England and Wales 19782003, Nature, 437, 245-248, doi:10.1038/nature04038. (Pubitemid 41294485)
2. Bruce, J. P., M. Frome, E. Haites, H. Janzen, R. LaI, and K. Paustian (1999), Carbon sequestration in soils, J. Soil Water Conserv., 54(X), 382-389.
3. Burke, I. C., C. M. Yonker, W. J. Parton, C. V. Cole, K. Flach, and D. S. Schimel (1989), Texture, climate and cultivation effects on soil organic matter content in U.S. grassland soils, Soi7 Sci. Soc. Am. J., 53, 800-805.
4. Calhoun, F. G., N. E. Smeck, B. L. Slater, J. M. Bigham, and G. F. Hall (2001), Predicting bulk density of Ohio soils from morphology, genetic principles and laboratory characterizations data, Soil Sci. Soc. Am. J., 65, 811-819.
5. Caliesen, I., J. Liski, K. Raulund-Rassmussen, M. T. Olsson, L. TauStrands, L. Vesterdal, and C. J. Westman (2003), Soil carbon stores in Nordic well-drained forest soils-relationships with climate and texture class, Global Change Biol, 9(3), 358-370, doi: 10.1046/j. 1365-2486. 2003.00587.x.
6. Chen, L. X., X. W. Chen, and W B. Duan (1998), Larch litter and soil fertility (in Chinese with English abstract), Chin. J. Appl. Ecol, 9(6), 581-586.
7. Chen, Z. Q., Q. H. Xue, and R. Zhang (2003), Status of soil nutrients and fertility in Huangshui valley (in Chinese), Qinghai Sci. Technol, 2, 29-32.
8. Cole, C. V. K. (1996), Agricultural options for mitigation of greenhouse gas emission, in Climate Change 1995. impacts, Adaptations, and Mitigation of Climate Change: Intergovernmental Panel on Climate Change, edited by R. T. Watson, M. C. Zinyowera, and R. H. Moss, pp. 1 -27, Cambridge Univ. Press, Cambridge, U. K.
9. Dang, T. H., M. D. Hao, Q. Li, and L. Peng (1995), Effect of position fertilization on soil nutrient of Heilu soil profile, Bull. Soil Water Conserv., 15(6), 28-33.
10. DeVos,B.,M.V.Meirvenne,P.Quataert,J.Deckers,andB.Muys(2005), PredictivequalityofpedotransferfunctionsforestimatingbulkdensityofforestSoils, SoilSci.Soc.Am.J.,69,500-510.(Pubitemid40413450)
11. Dolan, M. S., C. E. Clapp, R. R. Allmaras, J. M. Baker, and J. A. E. Molina (2006), Soil organic carbon and nitrogen in a Minnesota soil as related to tillage, residue and nitrogen management, So/7 Tillage Res., 89(2), 221-231, doi: 10.1016/j.still.2005.07.015.
12. Eve, M. D., M. Sperow, K. Paustian, and R. F. Follett (2002), National-scale estimation of changes in soil carbon stocks on agricultural lands, Environ. Pollut., 116(3), 431-438, doi: 10.1016/S0269-7491(01)00220-2. (Pubitemid 33095090)
13. Fan, J., M. D. Hao, and T. H. Dang (2001), Effect of long-term fertilization on nutrient distribution in profiles of black loessial soil (in Chinese with English abstract), Plant Nutrition Fert. Sci, 7(3), 249-254.
14. FAO-UNESCO (1988), Soil Map of the World: Revised Legend, Food and Agrie. Org. of the U. N., Rome.
15. Gal, A., T. J. Vyn, E. Michéli, E. J. Kladivko, and W. W. McFee (2007), Soil carbon and nitrogen accumulation with long-term no-till versus moldboard plowing overestimated with tilled-zone sampling depths, Soil Tillage Res., 96(1-2), 42-51, doi:10.1016/j.still.2007.02.007. (Pubitemid 47505365)
16. Gao, X. Z., W. Q. Ma, Y. Cui, R. F. Wang, and F. S. Zhang (2000), Change of soil nutrient contents and input of nutrients in arable of China (in Chinese with English abstract), Plant Nutrition Fert. Sci, 6(4), 363-369.
17. Gao, X. Z., W Q. Ma, C. B. Ma, F. S. Zhang, and Y. H. Wang (2002), Analysis on the current status of utilization of crop straw in China (in Chinese with English abstract), J. Huazhong Agric Univ., 21(3), 242-247.
18. Gao, Y J., P. L. Zhu, D. M. Huang, Z. M. Wang, and S. X. Li (2000), Longterm impact of different soil management on organic matter and total nitrogen in rice-based cropping system (in Chinese with English abstract), Soil Environ. Sci, 9(1), 27-30.
19. Guiot, J., and C. Goeury (1996), PPPBASE, a software for statistical analysis of paleoecological and paleoclimatological data, Dendrochronologia, 14, 295-300.
20. Han, B., X. K. Wang, Z. Y. Ouyang, Z. Q. Cao, and D. Y. Zou (2003), A stimulation analysis of distribution and change of agricultural soil carbon pool in Liaoning Province (in Chinese with English abstract), Acta Ecol. Sin., 23(1), 1321-1327.
21. Han, B., X. K. Wang, Z. Y. Ouyang, Z. Q. Cao, D. Y Zou, H. D. Sun, P. Zhu, and B. K. Zhou (2004), Distribution and change of agro-ecosystem carbon pool in the northeast of China (in Chinese with English abstract), Chin. J. Soil Sci., 55(4), 401-407.
22. Hornik, K. (1991), Approximation capabilities of multilayer feedforward networks, Neural Networks, 4(2), 251-257, doi:10.1016/0893-6080(91) 90009-T.
23. Houghton, R. A. (1999), The annual net flux of carbon to the atmosphere from change in land use 1850-1990, Tellus, Ser. B, 51(2), 298-313, doi:10.1034/j.l600-0889.1999.00013.x.
24. 2 to the atmosphere, Ecol. Monogr., 55(3), 235-262, doi:10.2307/1942531.
25. Hu, H., S. Q. Liu, Q. H. Chen, C. Q. Wang, K. W. Pan, and X. P. Pang (2001), Changes of soil properties during artificial recovery of subalpine coniferous forests in western Sichuan (in Chinese with English abstract), Chin. J. Appl. Environ. Biol, 7(4), 308-314.
26. Huang, B., J. G. Wang, H. Y. Jin, and S. C. Xu (2006), Effects of long-term application fertilizer on carbon storage in calcareous meadow soil (in Chinese with English abstract), J. Agro-Environ. Sci., 25(1), 161-164.
27. Huang, B., W. X. Sun, Y. C. Zhao, J. Zhu, R. Q. Yang, Z. Zou, F. Ding, and J. P. Su (2007), Temporal and spatial variability of soil organic matter and total nitrogen in an agriculture ecosystem as affected by farming practices, Geoderma, 139(3-4), 336-345, doi:10.1016/j.geoderma.2007. 02.012. (Pubitemid 46656376)
28. Huang, Y, and W. J. Sun (2006), Changes in topsoil organic carbon of croplands in mainland China over the last two decades, Chin. Sei. Bull, 51(15), 1785-1803, doi:10.1007/sll434-006-2056-6.
29. Institute of Soil Science Chinese Academy of Sciences (ISSCAS) (Ed.) (1978), Soil Physical and Chemical Analysis (in Chinese), Shanghai Sci. and Technol. Publ. House, Shanghai, China.
30. Janzen, H. H., C. A. Campbell, E. G. Gergorich, and B. H. Ellert (1997), Soil carbon dynamics in Canadian agroecosystems, in Soil Processes and Carbon Cycles, edited by R. J. LaI et al., pp. 57-80, CRC Press, Boca Raton, Fla.
31. Johnson, M. G. (1995), The role of soil management in sequestering soil carbon, in Soil Management and Greenhouse Effect, edited by R. Lal et al., pp. 351-363, Lewis Publ., Boca Ration, Fla.
32. Kaur, R., S. Kumar, and H. P. Gurung (2002), A pedo-transfer function (PTF) for estimating soil bulk density from basic soils data and its comparison with existing PTFs, Aust. J. Soil Res., 40, 847-857, doi:10.1071/ SR0 1023. (Pubitemid 34890733)
33. King, J. A., R. I. Bradley, and R. Harrison (2005), Current trends of soil organic carbon in English arable soils, Soil Use Manage., 21(2), 189-195, doi:10.1079/SUM2005307. (Pubitemid 41169433)
34. Lai, X. W., Q. H. Huang, C. G. Li, and C. L. Xiong (1991), Effects of successive application of inorganic fertilizer on the content of organic matter in red paddy soil (in Chinese), Soils Fert., 1, 4-7.
35. LaI, R. (1999), World soils and the greenhouse effect, IGBPNewsl, 37,4-5.
36. LaI, R. (2002), Soil carbon sequestration in China through agricultural intensification, and restoration of degraded and desertified ecosystems, Land Degrad. Dev., 13(6), 469-478, doi:10.1002/ldr.531.
37. LaI, R. (2004a), Soil carbon sequestration impacts on global climate change and food security, Science, 304(5611), 1623-1627, doi: 10.1126/science. 1097396.
38. LaI, R. (2004b), Soil carbon sequestration to mitigate climate change, Geoderma, /25(1-2), 1-22, doi:10.1016/j.geoderma.2004.01.032. (Pubitemid 39351354)
39. 2 emissions by soil carbon sequestration, Clim. Change, 65, 263-275, doi:10.1023/B:CLIM.0000038203. 81854.7c.
40. LaI, R. (2005), Soil erosion and carbon dynamics, Soil Tillage Res., 81(2), 137-142, doi:10.1016/j.still.2004.09.002.
41. Lettens, S., J. V. Orshoven, B. V. Wesemael, D. V. Bruno, and M. Bart (2005), Stocks and fluxes of soil organic carbon for landscape units in Belgium derived from heterogeneous data sets for 1990 and 2000, Geoderma, 127(1-2), 11-23, doi:10.1016/j.geoderma.2004.11.001. (Pubitemid 40793525)
42. Li, C. S. (2000), Loss of soil carbon threatens Chinese agriculture: A comparison on agroecosystem carbon pool in China and the U.S. (in Chinese with English abstract), Quat. Sci., 20(4), 345-350.
43. Li, C. S., Y. H. Zhang, S. Frolking, J. Galloway, R. Harriss, B. Moore, D. Schimel, and X. K. Wang (2003), Modeling soil organic carbon change in croplands of China, Ecol. Appl, 13(2), 327-336, doi:10.1890/10510761(2003) 013[0327:MSOCCI]2.0.CO;2.
44. Li, Z., X. Jiang, X. Z. Pan, and Q. G. Zhao (2001), Organic carbon storage in soils of tropical and subtropical China, Water Air Soil Pollut., 129, 45-60, doi: 10.1023/A:1010356828990.
45. Li, Z. P., X. X. Lin, and Y. P. Che (2002), Analysis for the balance of organic carbon pools and their tendency in typical arable soils of eastern China (in Chinese with English abstract), Acta Pedológica Sin., 39(3), 351-360.
46. Li, Z. P., T. L. Zhang, and B. Y. Chen (2006), Change in organic carbon and nutrient contents of highly productive paddy soils in Yujiang County of Jiangxi Province, China and their environmental application (in Chinese with English abstract), Agric Sci. China, 5(1), 522-529, doi:10.1016/ S1671-2927(06)60087-60094
47. Liu, S. L., B. J. Fu, Y. H. Lv, and L. D. Chen (2003), Assessment of soil quality in relation to land use and landscape position on slope (in Chinese with English abstract), Acta Ecol. Sin., 23(3), 414-420.
48. Manrique, L. A., and C. A. Jones (1991), Bulk density of soils in relation to soil physical and chemical properties, Soil Sci. Soc. Am. J., 55, 476-481.
49. National Bureau of Statistics of China (NBSC) (Ed.) (2001), China Statistical Yearbook (in Chinese), Chin. Stat. Press, Beijing.
50. National Soil Survey Office (NSSO) (Ed.) (1993), Soil Species of China (in Chinese), vol.1, China Agric. Press, Beijing.
51. National Soil Survey Office (NSSO) (Ed.) (1994a), Soil Species of China (in Chinese), vol.2, China Agric. Press, Beijing.
52. National Soil Survey Office (NSSO) (Ed.) (1994b), Soil Species of China (in Chinese), vol.3, China Agric. Press, Beijing.
53. National Soil Survey Office (NSSO) (Ed.) (1995a), Soil Species of China (in Chinese), vol.4, China Agric. Press, Beijing.
54. National Soil Survey Office (NSSO) (Ed.) (1995b), Soil Species of China (in Chinese), vol.5, China Agric. Press, Beijing.
55. National Soil Survey Office (NSSO) (Ed.) (1996), Soil Species of China (in Chinese), vol.6, China Agric. Press, Beijing.
56. National Soil Survey Office (NSSO) (Ed.) (1998), Soils of China (in Chinese), China Agric. Press, Beijing.
57. Pan, G. X., and Q. G. Zhao (2005), Study on evolution of organic carbon stock in agricultural soils of China: Facing the challenge of global change and food security (in Chinese with English abstract), Adv. Earth Sci., 20(4), 384-393.
58. Plattner, G. K., F. Joos, and T. F. Stocker (2002), Revision of the global carbon budget due to changing air-sea oxygen fluxes, Global Biogeochem. Cycles, 16(4), 1096, doi:l0.1029/2001GBOOI746.
59. Post, W. M., W. R. Emanuel, P. J. Zinke, and A. G. Stangenberger (1990), Soil carbon pools and life zones, Nature, 348, 232-234.
60. Prentice, I. C., G. D. Farquhar, M. J. R. Fasham, M. L. Heimann, V. J. Jaramillo, and H. S. Kheshgi (2001), The carbon cycle and atmospheric carbon dioxide, in Climate Change 2001: The Scientific Basis, edited by J. T. Houghton et al., pp. 183-237, Cambridge Univ. Press, Cambridge, U.K.
61. Pu, X. P., C. L. Xu, and X. J. Liu (2004), Effects of different grazing levels on physical and chemical characteristics of soil under Dasiphora fruticosa shrubland (in Chinese with English abstract), J. Gansu Agric Univ., I, 39-41.
62. Qian, C, X. B. Cai, H. Y. Xue, Z. L. Chen, Y. L. Peng, and Y. Q. Zhang (2003), Microbes characteristics of soil rehabilitation in central Tibet (in Chinese with English abstract), J. Soil Water Conserv., 17(4), 22-26.
63. Qiu, J. J., H. J. Tang, and C. S. Li (2003), Study on the situation of soil organic carbon storage in ecotone between agriculture and animal husbandry: A case study from Inner Mongolia (in Chinese with English abstract), Chin. J. Eco-Agric, 11(4), 86-88.
64. Qiu, J. J., L. G. Wang, H. J. Tang, H. Li, and C. S. Li (2004), Study on the situation of soil organic carbon storage in arable lands in northeast China (in Chinese with English abstract), Sei. Agric Sin., 37(8), 1166-1171.
65. Ren, G. Y, M. Z. Xu, Z. Y. Chu, J. Guo, Q. X. Li, X. N. Liu, and Y. Wang (2005), Changes of surface air temperature in China during 1951-2004 (in Chinese with English abstract), CHm. Environ. Res., 10(4), 717-727.
66. Rumelhart, D. E., G. E. Hinten, and R. J. Williams (1986), Learning representations by back-propagating errors, Nature, 323, 533-536, doi:10.1038/ 323533a0.
67. Schlesinger, W. H. (1999), Carbon sequestration in soils, Science, 284(5423), 2095, doi:10.1126/science.284.5423.2095.
68. Shen, Y., Y. Huang, L. G. Zong, W. Zhang, M. Xu, and L. W. Liu (2003), Simulation and prediction of soil organic carbon dynamics in Jiangsu Province based on model and GIS techniques (in Chinese with English abstract), Sci. Agric Sin., 36(11), 1312-1317.
69. Shi, X. Z., D. S. Yu, W. X. Sun, H. J. Wang, Q. G. Zhao, and Z. T. Gong (2004), Reference benchmarks relating to great groups of genetic soil classification of China with soil taxonomy (in Chinese), Chin. Sci. Bull., 49(13), 1299-1303.
70. Sleutel, S., et al. (2003), Carbon stock changes and carbon sequestration potential of Flemish cropland soils, Global Change Biol, 9(8), 1193-1203, doi: 10.1046/j. 1365-2486.2003.00651 .x. (Pubitemid 37078485)
71. Smith, W. N., R. L. Desjardins, and E. Pattey (2000), The net flux of carbon from agricultural soils in Canada 1970-2010, Global Change Biol, 6(5), 557-568, doi: 10.1046/j. 1365-2486.2000.00340.X.
72. Song, G. H., L. Q. Li, G. X. Pan, and Q. Zhang (2005), Topsoil organic carbon storage of China and its loss by cultivation, Biogeochemistry, 74(1), 41-62, doi:10.1007/sl0533-004-2222-3.
73. Su, L. X., J. X, S. Q. Wang, and Y. L. Zhao (2004), Status and change of arable soil nutrients in Haidian district of Beijing (in Chinese with English abstract), Soil Fert., 5, 17-20.
74. Su, Y. Z., and H. L. Zhao (2002), Advances in research on soil organic carbon storages, affecting factors and its environmental effects (in Chinese with English abstract), J. Desert Res., 22(3), 220-228.
75. Sun, H. G., and F. J. Lamey (1997), Effects of conservation tillage and crop residues on soil nutrient contents (in Chinese with English abstract), EcoAgric. Res., 5(1), 47-51.
76. Sun, P., L. H. Wang, G. Z. Li, Y. H. Sun, and B. Y. Sun (2001), The effect of covering straw in orchard on soil physical and chemical characteristics (in Chinese with English abstract), Res. Soil Water Conserv., 8(3), 37-39.
77. Tan,Z.X.,R.Lal,N.E.Smeck,F.G.Calhoun,B.K.Slater,B.Parkinson,andR.M. Gehring(2004),TaxonomieandgeographicdistributionofsoilorganiccarbonpoolsinOhio, SoilSci.Soc.Am.J.,68,1896-1904.(Pubitemid39501175)
78. Tian, Q., J. Li, and F. H. Huang (1996a), The soil map of China, in The Database of Resources and Environment in China (I:4M) (in Chinese), State Lab. of Resour. and Environ. Inf. Syst., Beijing.
79. Tian, Q., J. Li, and F. H. Huang (1996b), The land-use map of China, in The Database of Resources and Environment in China (1:4M) (in Chinese), State Lab. of Resour. and Environ. Inf. Syst., Beijing.
80. Tranter, G., B. Minasny, A. B. Mcbratney, B. Murphy, N. J. Mckenzie, M. Grundy, and D. Brough (2007), Building and testing conceptual and empirical models for predicting soil bulk density, Soil Use Manage., 23(4), 437-443, doi: 10.1111/j.1475-2743.2007.00092.X. (Pubitemid 350145557)
81. Vandenbygaart, A. J., E. G. Gregorich, D. A. Angers, and U. F. Stokias (2004), Uncertainty analysis of soil organic carbon stock change in Canadian cropland from 1991 to 2001, Global Change Biol, 10(6), 983-994, doi: 10.1111/j. 1365-2486.2004.00780.X.
82. Wang, J. K., S. Y. Li, X. D. Zhang, D. Wei, and F. Q. Chi (2007), Spatial and temporal variability of soil quality in typical black area in northeast China in 20 years (in Chinese with English abstract), Chim. J. Eco-Agric, 15(1), 19-24.
83. Wang, L. G., and J. J. Qiu (2004), Study on simulating soil carbon storage and balance in high-yield Huabei Plain (in Chinese with English abstract), Rev. China Agric. Sci. Technol, 6(5), 27-31.
84. Wang, Q. J., X. R. Li, C. L. Kou, X. R. Wang, and F. S. Zhang (1997), Research on nutrient balance of sand soils and application of fertilizer in the system of wheat intercropped with peanut (in Chinese), Soils, 4, 205-208.
85. Wang, X. B., D. Y. Cai, L. Hua, W. B. Hoogmoed, O. Oenema, and U. D. Perdok (2006), Soil conservation tillage: The highest priority for global sustainable agriculture (in Chinese with English abstract), Sci. Agric. Sin., 39(4), 741-749.
86. Wang, Y. X., Y. J. Jie, and P. Wang (2002), Analysis of reasons for soil and water losses of black soil in northeast China (in Chinese), Sci. Tech. Inf. Soil Water Conserv., 3, 27-29.
87. Watson, R. T., I. R. Noble, B. Bolin, N. H. Ravindranaťh, D. J. Verardo, and D. J. Dokken (Eds.) (2000), IPCC Special Report on Land Use, LandUse Change, and Forestry, Cambridge Univ. Press, Cambridge, U. K.
88. World Resources Institute (WRI) (2005), World Resources 2005: The Wealth of the Poor: Managing Ecosystems to Fight Poverty, 264 pp., World Resour. Inst., Washington, D. C. (Available at http://www.wri.org)
89. Wu, H. B., Z. T. Guo, and C. H. Peng (2003), Land use induced changes of organic carbon storage in soils of China, Global Change Biol, 9,305-315, doi: 10.1046/j. 1365-2486.2003.00590.X.
90. Wu, T. Y., J. J. Schoenau, F. M. Li, P. Y. Qian, S. S. Malhi, Y. C. Shi, and F. L. Xu (2004), Influence of cultivation and fertilization on total organic carbon and carbon fractions in soils from the loess plateau of China, Soil Tillage Res., 77, 59-68, doi: 10.1016/j.stitl.2003.10.002.
91. Wu, Y., Q. Liu, Y. K. Qiao, K. W. Pan, C. M. Zhao, and Q. H. Chen (2001), Species diversity changes in subalpine coniferous forests of different restoration stages and their effects on soil properties (in Chinese with English abstract), Acta Phytoecol. Sin., 25(6), 648-655.
92. Wu, Y. C. (2002), Study on the evolving regularities of farming system in the recent 15 years (in Chinese with English abstract), Ph.D. thesis, China Agric.. Univ., Beijing.
93. Xie, L. H., J. L. Lü, Y. P. Zhang, X. W. Liu, and L. H. Liu (2004), Influence of long-term fertilizer on phosphorus fertility of calcareous soil 1. organic matter, total phosphorus and available phosphorus (in Chinese with English abstract), Chin. J. Appl. Ecol., 15(5), 787-789.
94. Xu, Y, F. R. Zhang, J. K. Wang, Q. B. Wang, and R. Wang (2004), Temporal changes of soil organic matter in Ustic cambisols and Udic Isohumosols of China in recent twenty years (in Chinese with English abstract), Chim. J. Soil Sci, 55(2), 102-105.
95. Yang, H. S., and B. H. Janssen (1997), Analysis of impact of farming practices on dynamics of soil organic matter in north China, Eur. J. Agron., 7(1), 211-219, doi:10.1016/S1161-0301(97)00047-6. (Pubitemid 27490875)
96. Yang, Y. H., A. Mohammat, J. M. Feng, R. Zhou, and J. Y. Fang (2007), Storage, pattern and environmental controls of soil organic carbon in China, Biogeochemistry, 84, 131-141, doi: 10.1007/s10533-007-9109-z. (Pubitemid 46855376)
97. Yu, H., J. K. Huang, S. Rozelle, and L. Brandt (2003), Soil fertility changes of cultivated land in eastern China (in Chinese with English abstract), Geogr. Res., 22(3), 380-388.
98. Yu, Y. Q., Y. Huang, W. Zhang, and W. J. Sun (2007), Modeling farmland soil organic carbon dynamics in eastern China: Spatio-temporal pattern (in Chinese with English abstract), Geogr. Geo-Inf Sci, 23(11), 97-100.
99. Yue, H. G., B. Shen, and Y. H. Liu (1999), Protect resource of black soil, make northeastern China great granary (in Chinese), Jilin Water Resour, 192, 42-44.
100. Zhang, G. L., D. J. Bao, Y. Wang, G. B. Li, W. X. Qiao, and F. Q. Meng (1999), Effect of long-term fertilizer application on crop yield and soil properties (in Chinese with English abstract), Chin. J. Soil Sci., 50(2), 64-67.
101. Zhang, J. B., and C. C. Song (2004), Effect of different land-use on soil physical-chemical properties in the Sanjiang Plain (in Chinese with English abstract), Chim, J. Soil Sci, 55(3), 371-373.
102. Zhang, W., Y. Q. Yu, W. J. Sun, and Y. Huang (2007), Simulation of soil organic carbon dynamics in Chinese rice paddies from 1980 to 2000, Pedosphere, 17(1), 1-10, doi: 10.1016/S1002-0160(07)60001-0.
103. Zhang, X. Z. (2000), Decoupling China's carbon emissions increase from economic increase from economic growth: An economic analysis and policy implications, World Dev., 28(4), 739-752, doi:10.1016/S0305750X(99)00154-0.
104. Zhao, S. J., and J. S. Li (1993), Effect of inorganic fertilization on soil nutrient in different layers (in Chinese), Hebei Crop Res., 4, 49-53.
105. Zhou, J. B., C. W. Li, B. S. Zhao, T. M. Hua, and H. T. Li (1993), Effect of long-term fertilization on nutrient in deeper part of profiles of Lou soils (in Chinese with English abstract), Chin. J. Soil Sci, 24(1), 21-23.
106. Zuo, H. C., S. H. Lu, and Y. Q. Hu (2004), Variations trend of yearly mean air temperature and precipitation in China in the last 50 years (in Chinese with English abstract), Plateau Meteorol, 23(2), 238-244.