Yang, Xueming, Ph.D.
Reseach ScientistContact Information:
2585 County Road 20
Harrow, Ontario N0R 1G0
Telephone: 519-738-1292
Fax: 519-738-2929
Email: xueming.yang@agr.gc.ca
Areas of Expertise:
- conservation tillage practices and soil quality
- soil carbon and nitrogen dynamics
- soil organic carbon and nitrogen modeling
- soil organic carbon fractionation
- soil organic carbon sequestration
- soil organic carbon distribution on landscape
- organic amendments, composts and manure
- crop rotations, cover crops
Current Projects:
- Residual soil nitrogen verification project for Ontario
- Residual soil nitrogen and the indicator of risk of water
- Novel tillage and nitrogen management strategies to reduce energy
Affiliations:
- Greenhouse and Processing Crops Research Centre, Harrow, Ontario
- Adjunct professor, Northeast Institute of Geography and Agro-ecology, Chinese Academy of Sciences
Research Publications:
The links below lead to abstracts with access to full text.2012:
- Drury, C.F., Reynolds, W.D., Yang, X.M., McLaughlin, N.B., Welacky, T.W., Calder, W., and Grant, C.A. (2012). "Nitrogen source, application time and tillage effects on soil nitrous oxide emissions and corn grain yields.", Soil Science Society of America Journal, 76(4), pp. 1268-1279. doi : 10.2136/sssaj2011.0249
- Fan, R.-Q., Shen, Y., Yang, X.M., Zhang, X.-P., Liang, A.-Z., Jia, S., Chen, X., and Wei, S. (2012). "Assessment of humic and fulvic acids in black soils using near-infrared reflectance spectroscopy.", Spectroscopy and Spectral Analysis / Guang Pu Xue Yu Guang Pu Fen Xi, 32(10), pp. 2674-2679. doi : 10.3964/j.issn.1000-0593(2012)10-2674-06
- Fan, R.-Q., Yang, X.M., Zhang, X.-P., Shen, Y., Liang, A.-Z., Shi, X.H., Wei, S., and Chen, X. (2012). "Prediction of Soil Organic Carbon in Different Soil Fractions of Black Soils in Northeast China Using Near-Infrared Reflectance Spectroscopy.", Spectroscopy and Spectral Analysis / Guang Pu Xue Yu Guang Pu Fen Xi, 32(2), pp. 349-353. doi : 10.3964/j.issn.1000-0593(2012)02-0349-05
- Fan, R.-Q., Yang, X.M., and Xie, H.T. (2012). "Determination of nutrients in hydroponic solutions using mid-infrared spectroscopy.", Scientia Horticulturae, 144(6), pp. 48-54. doi : 10.1016/j.scienta.2012.06.037
- Fan, R.-Q., Zhang, X.-P., Liang, A.-Z., Jia, S., Chen, X., Wei, S., and Yang, X.M. (2012). "Comparative study of different earthworm sampling methods.", Acta Ecologica Sinica / Shengtai Xuebao, 32(13), pp. 4154-4159.
- Guo, X.-B., Drury, C.F., Yang, X.M., Reynolds, W.D., and Zhang, R. (2012). "Impacts of Wet-Dry Cycles and a Range of Constant Water Contents on Carbon Mineralization in Soils under Three Cropping Treatments.", Soil Science Society of America Journal, 76(2), pp. 485-493. doi : 10.2136/sssaj2011.0315
- Liu, H.L., Yang, J.Y., He, P., Bai, Y.L., Jin, J.Y., Drury, C.F., Zhu, Y.P., Yang, X.M., Li, W.J., Xie, J.G., Yang, J.M., and Hoogenboom, G. (2012). "Optimizing parameters of CSM-CERES-Maize model to improve simulation performance of maize growth and nitrogen uptake in northeast China.", Journal of Integrative Agriculture, 11(11), pp. 1898-1913. doi : 10.1016/S2095-3119(12)60196-8
- Shi, X.H., Yang, X.M., Drury, C.F., Reynolds, W.D., McLaughlin, N.B., and Zhang, X.-P. (2012). "Impact of ridge tillage on soil organic carbon and selected physical properties of a clay loam in southwestern Ontario.", Soil & Tillage Research, 120, pp. 1-7. doi : 10.1016/j.still.2012.01.003
- Shi, X.H., Zhang, X.-P., Yang, X.M., Drury, C.F., McLaughlin, N.B., Liang, A.-Z., Fan, R.-Q., and Jia, S. (2012). "Contribution of winter soil respiration to annual soil CO2 emission in a Mollisol under different tillage practices in northeast China.", Global Biogeochemical Cycles, 26(2, Article No. GB2007). doi : 10.1029/2011GB004054
- Shi, X.H., Zhang, X.-P., Yang, X.M., McLaughlin, N.B., Liang, A.-Z., and Fan, R.-Q. (2012). "An appropriate time-window for measuring soil CO2 efflux: a case study on a Black soil in north-east China.", Acta Agriculturae Scandinavica, Section B - Plant Soil Science, 62(5), pp. 449-454. doi : 10.1080/09064710.2011.642001
- Yang, J.Y., Huffman, E.C., Drury, C.F., Yang, X.M., DeJong, R., and Campbell, C.A. (2012). "Estimating changes of residual soil nitrogen in Chernozemic soils in Canada.", Canadian Journal of Soil Science, 92(3), pp. 481-491. doi : 10.4141/CJSS2010-37
- Yang, X.M., Xie, H.T., Drury, C.F., Reynolds, W.D., Yang, J.Y., and Zhang, X.D. (2012). "Determination of organic carbon and nitrogen in particulate organic matter and particle size fractions of Brookston clay loam soil using infrared spectroscopy.", European Journal of Soil Science, 63(2), pp. 177-188. doi : 10.1111/j.1365-2389.2011.01421.x
- Zhang, B., He, H., Ding, X., Zhang, X., Zhang, X.-P., Yang, X.M., and Filley, T.R. (2012). "Soil microbial community dynamics over a maize (Zea mays L.) growing season under conventional- and no-tillage practices in a rainfed agroecosystem.", Soil & Tillage Research, 124, pp. 153-160. doi : 10.1016/j.still.2012.05.011
- Zhang, B., Yang, X.M., Drury, C.F., Reynolds, W.D., He, H., and Zhang, X. (2012). "Effects of 49 years of fertilization on the distribution and accumulation of soil carbon under corn cultivation.", Canadian Journal of Soil Science, 92(6), pp. 835-839. doi : 10.4141/cjss2011-117
- Zhao, H., Lv, Y., Wang, X., Zhang, H., and Yang, X.M. (2012). "Tillage impacts on the fractions and compositions of soil organic carbon.", Geoderma, 189-190, pp. 397-403. doi : 10.1016/j.geoderma.2012.06.001
2011:
- Ding, X., Zhang, B., Zhang, X., Yang, X.M., and Zhang, X.-P. (2011). "Effects of tillage and crop rotation on soil microbial residues in a rainfed agroecosystem of northeast China.", Soil & Tillage Research, 114(1), pp. 43-49. doi : 10.1016/j.still.2011.03.008
- Fang, H.-J., Cheng, S.-L., Yu, G., Zheng, J.-J., Zhang, P., Xu, M., Li, Y., and Yang, X.M. (2011). "Responses of CO2 efflux from an alpine meadow soil on the Qinghai Tibetan Plateau to multi-form and low-level N addition.", Plant and Soil, 351(1-2), pp. 177-190. doi : 10.1007/s11104-011-0942-4
- Guo, X.-B., Drury, C.F., Yang, X.M., Reynolds, W.D., and Zhang, R. (2011). "Influence of current and previous crops on soil basal and potential denitrification rates.", Biology and Fertility of Soils, 47(8), pp. 937-947. doi : 10.1007/s00374-011-0588-7
- Shi, X.H., Yang, X.M., Drury, C.F., Reynolds, W.D., McLaughlin, N.B., Welacky, T.W., and Zhang, X.-P. (2011). "Zone Tillage Impacts on Organic Carbon of a Clay Loam in Southwestern Ontario.", Soil Science Society of America Journal, 75(3), pp. 1083-1089. doi : 10.2136/sssaj2010.0319
- Xie, H.T., Yang, X.M., Drury, C.F., Yang, J.Y., and Zhang, X.D. (2011). "Predicting soil organic carbon and total nitrogen using mid- and near-infrared spectra for Brookston clay loam soil in Southwestern Ontario, Canada.", Canadian Journal of Soil Science, 91(1), pp. 53-63. doi : 10.4141/CJSS10029
- Yang, J.Y., Huffman, E.C., Drury, C.F., Yang, X.M., DeJong, R., Jin, J.Y., He, P., Bai, Y.L. (2011). "Estimating the impact of manure nitrogen losses on total nitrogen application on agricultural land in Canada.", Canadian Journal of Soil Science, 91(1), pp. 107-122. doi : 10.4141/CJSS10052
- Yoo, G., Yang, X.M., and Wander, M.M. (2011). "Influence of soil aggregation on SOC sequestration: A preliminary model of SOC protection by aggregate dynamics.", Ecological Engineering, 37(3), pp. 487-495. doi : 10.1016/j.ecoleng.2010.12.016
2010:
- Cheng, S.-L., Fang, H.-J., Zhu, T.-H., Zheng, J.-J., Yang, X.M., Zhang, X.-P., and Yu, G. (2010). "Effects of soil erosion and deposition on soil organic carbon dynamics at a sloping field in Black Soil region, Northeast China.", Soil Science and Plant Nutrition, 56(4), pp. 521-529. doi : 10.1111/j.1747-0765.2010.00492.x
- Fan, R.-Q., Liang, A.-Z., Yang, X.M., Zhang, X.-P., Shen, Y., and Shi, X.H. (2010). "Effects of tillage on soil aggregates in Black soils in Northeast China.", Scientia Agricultura Sinica / Zhongguo nongye Kexue, 43, pp. 3767-3775.
- Fan, R.-Q., Zhang, X.-P., Liang, A.-Z., Shen, Y., Shi, X.H., and Yang, X.M. (2010). "Field sampling methods for earthworm: A review.", Chinese Journal of Applied Ecology / Ying Yong Sheng Tai Xue Bao, 21(6), pp. 1589-1595.
- Guo, X.-B., Drury, C.F., Yang, X.M., and Zhang, R. (2010). "Influence of constant and fluctuating water contents on nitrous oxide emissions from soils under varying crop rotations.", Soil Science Society of America Journal, 74(6), pp. 2077-2085. doi : 10.2136/sssaj2010.0064
- Liang, A.-Z., Yang, X.M., Zhang, X.-P., Shen, Y., Shi, X.H., Fan, R.-Q., and Fang, H.-J. (2010). "Short-Term Impacts of No Tillage on Aggregate-Associated C in Black Soil of Northeast China.", Agricultural Sciences in China, 9(1), pp. 93-100. doi : 10.1016/S1671-2927(09)60072-9
- Liang, A.-Z., Zhang, X.-P., Yang, X.M., Shen, Y., Shi, X.H., Fan, R.-Q., and Fang, H.-J. (2010). "Dynamics of soil particulate organic carbon and mineral-incorporated organic carbon in black soils in northeast China.", Acta Pedologica Sinica / Turang Xuebao, 47(1), pp. 153-158.
- Yang, J.Y., Drury, C.F., Yang, X.M., DeJong, R., Huffman, E.C., Campbell, C.A., and Kirkwood, V. (2010). "Estimating biological N2 fixation in Canadian agricultural land using legume yields.", Agriculture, Ecosystems and Environment, 137(1-2), pp. 192-201. doi : 10.1016/j.agee.2010.02.004
- Zhang, X.-P., Shen, Y., Liang, A.-Z., Shi, X.H., Fan, R.-Q., and Yang, X.M. (2010). "Near infrared spectroscopy in determining organic carbon and total nitrogen in black soil of Northeast China.", Chinese Journal of Applied Ecology / Ying Yong Sheng Tai Xue Bao, 21(1), pp. 109-114.
- Zhang, Z.D., Yang, X.M., Drury, C.F., Reynolds, W.D., and Zhao, L.P. (2010). "Mineralization of active soil organic carbon in particle size fractions of a Brookston clay soil under no-tillage and mouldboard plough tillage.", Canadian Journal of Soil Science, 90(4), pp. 551-557. doi : 10.4141/CJSS09081
2009:
- Liang, A.-Z., Yang, X.M., Zhang, X.-P., McLaughlin, N.B., Shen, Y., and Li, W.F. (2009). "Soil organic carbon changes in particle-size fractions following cultivation of Black soils in China.", Soil & Tillage Research, 105(1), pp. 21-26. doi : 10.1016/j.still.2009.05.002
- Liang, A.-Z., Zhang, X.-P., Yang, X.M., McLaughlin, N.B., Shen, Y., and Li, W.F. (2009). "Estimation of total erosion in cultivated Black soils in northeast China from vertical profiles of soil organic carbon.", European Journal of Soil Science, 60(2), pp. 223-229. doi : 10.1111/j.1365-2389.2008.01100.x
- Liang, A.-Z., Zhang, X.-P., Yang, X.M., McLaughlin, N.B., Yan, S., and Li, W.F. (2009). "Short-term effects of tillage on soil aggregate size distribution and stability in black soil in northeast China.", Acta Pedologica Sinica / Turang Xuebao, 46(1), pp. 154-158.
- Reynolds, W.D., Drury, C.F., Tan, C.S., Fox, C.A., and Yang, X.M. (2009). "Use of indicators and pore volume-function characteristics to quantify soil physical quality.", Geoderma, 152(3-4), pp. 252-263. doi : 10.1016/j.geoderma.2009.06.009
- Yang, X.M., Drury, C.F., Reynolds, W.D., and MacTavish, D. (2009). "Use of sonication to determine the size distributions of soil particles and organic matter.", Canadian Journal of Soil Science, 89(4), pp. 413-419. doi : 10.4141/CJSS08063
Other Science Related Publications:
2012:
- Drury, C.F., Reynolds, W.D., Tan, C.S., McLaughlin, N.B., Yang, X.M., and Calder, W. (2012). "Long-Term Effects of Fertilization and Crop Rotation on Nitrous Oxide Emissions From Soils.", 3rd AQSSS-CSSS Joint Meeting/Congrès conjoint AQSSS-SCSS: Soils in a changing climate: Friend of foe?, Manoir St-Castin, Québec City, QC, Canada, June 3-8, 2012, pp. 72.
- Fan, R.-Q., Yang, X.M., Drury, C.F., Reynolds, W.D., and Zhang, X.-P. (2012). "Characterizing Organic Carbon in Aggregate Inner- and Outer-Core Fractions of Soils Under Different Land Use Systems.", 3rd AQSSS-CSSS Joint Meeting/Congrès conjoint AQSSS-SCSS: Soils in a changing climate: Friend of foe?, Manoir St-Castin, Québec City, QC, Canada, June 3-8, 2012, pp. 74.
- Guo, X.-B., Drury, C.F., Yang, X.M., Reynolds, W.D., and Fan, R.-Q. (2012). "The Impact of the Degree of Soil Wetting and Drying on Nitrous Oxide Emissions.", 3rd AQSSS-CSSS Joint Meeting/Congrès conjoint AQSSS-SCSS: Soils in a changing climate: Friend of foe?, Manoir St-Castin, Québec City, QC, Canada, June 3-8, 2012, pp. 85.
- Shi, X.H., Zhang, X.-P., Yang, X.M., Drury, C.F., McLaughlin, N.B., Liang, A.-Z., Fan, R.-Q., and Jia, S. (2012). "Contribution of winter soil respiration to annual soil CO2 emission in a Mollisol under different tillage practices in northeast China [Global Biogeochemical Cycles 26 (GB3020)] (Erratum).", Global Biogeochemical Cycles, 26(3), pp. 1.
- Yang, X.M., Drury, C.F., Reynolds, W.D., McLaughlin, N.B., and Yang, J.Y. (2012). "Impacts of Fifty-Years of Crop Rotation and Fertilization on SOC and N of a Brookston Clay Loam in Southwestern Ontario.", 3rd AQSSS-CSSS Joint Meeting/Congrès conjoint AQSSS-SCSS: Soils in a changing climate: Friend of foe?, Manoir St-Castin, Québec City, QC, Canada, June 3-8, 2012, pp. 127.
- Yang, X.M., Drury, C.F., and Reynolds, W.D. (2012). "Soil organic carbon and total nitrogen stocks 10 years after a single compost addition to brookston clay loam soil.", 3rd AQSSS-CSSS Joint Meeting/Congrès conjoint AQSSS-SCSS: Soils in a changing climate: Friend of foe?, Manoir St-Castin, Québec City, QC, Canada, June 3-8, 2012, pp. 151.
2011:
- Drury, C.F., Reynolds, W.D., Yang, X.M., Welacky, T.W., McLaughlin, N.B., Calder, W., and Grant, C.A. (2011). "Tillage and N source effects on nitrous oxide emissions from soils.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011.
- Drury, C.F., Reynolds, W.D., Yang, X.M., and Yang, J.Y. (2011). "Challenges and Opportunities for Agriculture over the Next 50 Years. Future of Food: bioCEP3.", Biotechnology, Crops, Education, Policy, Production and Perception, London, ON, Canada, September 20, 2011. (Presentation)
- Drury, C.F., Yang, J.Y., DeJong, R., Huffman, E.C., Yang, X.M., Reynolds, W.D., and Reid, D.K. (2011). "Validating the Residual Soil Nitrogen Indicator.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011.
- Fan, R.-Q., Yang, X.M., and Drury, C.F. (2011). "Mid-IR Spectroscopic Assessment of Structural Features of Organic Carbon In Particle Size Fractions of a Clay Loam Soil.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011.
- Guo, X.-B., Drury, C.F., Yang, X.M., Reynolds, W.D., and Zhang, R. (2011). "Impacts of constant versus fluctuating water-filled pore space on carbon mineralization in soils.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011.
- Guo, X.-B., Drury, C.F., Yang, X.M., Reynolds, W.D., and Zhang, R. (2011). "Influence of current and previous crop on soil basal and potential denitrification rates.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011.
- Reynolds, W.D., Drury, C.F., Yang, X.M., Tan, C.S., Zhang, T.Q., and Yang, J.Y. (2011). "Measuring Soil Hydraulic Properties Using a Falling-Head Borehole Permeameter.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011.
- Shi, X.H., Yang, X.M., Drury, C.F., Reynolds, W.D., McLaughlin, N.B., and Zhang, X.-P. (2011). "Impact of Ridge Tillage on Organic Carbon Sequestration in a Clay Loam Soil in Southwestern Ontario.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011.
- Yang, J.Y., Drury, C.F., DeJong, R., Huffman, E.C., and Yang, X.M. (2011). "Developing a Canadian Agricultural Nitrogen Budget (CANB v3.0) Model to Predict Residual Soil Nitrogen and Nitrate Leaching Across Canadian Farmland.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011.
- Yang, X.M., Drury, C.F., Reynolds, W.D., and Xie, H.T. (2011). "Determination of Organic Carbon and Nitrogen In Particulate and Particle Size Fractions of Brookston Clay Loam Soils Using Soil Infrared Spectroscopy.", 2011 ASA-CSSA-SSSA International Annual Meeting: Fundamental for life: soil, crop and environmental sciences, San Antonio, TX, USA, October 16-19, 2011.
2010:
- Dai, M., Hamel, C., Yang, X.M., and Zhou, Z. (2010). "Soil Fertility, Wheat Colonization by AM and other Endophytic Fungi and Wheat Nutrition in the Canadian Prairie.", 2010 Soils and Crops Workshop, University of Saskatchewan, Saskatoon, SK, Canada, February 24-25, 2010.
- Drury, C.F., Reynolds, W.D., Tan, C.S., Yang, X.M., Zhang, T.Q., Welacky, T.W., and Yang, J.Y. (2010). "Impacts of conservation tillage, cover crops and watertable management on water partitioning and nutrient losses from agricultural soils.", 2010 ASA-CSSA-SSSA International Annual Meeting, Long Beach Convention Center, Long Beach, CA, USA, October 31-November 4, 2010.
- Drury, C.F., Reynolds, W.D., Tan, C.S., Yang, X.M., Zhang, T.Q., Zebarth, B.J., and Welacky, T.W. (2010). "Impacts of soil and crop management practices on water partitioning and nutrient losses from agricultural fields.", 6th Biennial Conference of the Lake Erie Millennium Network, Windsor, ON, Canada, April 27-29, 2010, pp. 24.
- Reynolds, W.D., Drury, C.F., Tan, C.S., Yang, X.M., Zhang, T.Q., and Yang, J.Y. (2010). "Measuring soil hydraulic properties using a cased borehole permeameter falling head analyses.", 2010 Joint Conference of the Canadian Society of Soil Science (CSSS) and the Canadian Society of Agronomy (CSA): Transfers & Transformations: Our Evolving Biosphere, University of Saskatchewan, Saskatoon, SK, Canada, June 20-24, 2010, pp. 146.
- Shen, Y., Zhang, X.-P., Liang, A.-Z., Shi, X.H., Fan, R.-Q., and Yang, X.M. (2010). "Multiplicative Scatter Correction and Stepwise Regression to Build NIRS Model for Analysis of Soil Organic Carbon Content in Black Soil.", System Sciences and Comprehensive Studies in Agriculture, 26(2), pp. 174-180.
- Shi, X.H., Zhang, X.-P., Liang, A.-Z., and Yang, X.M. (2010). "Effect of Short-term No-tillage on Nitrate Leaching for a Black Soil in Northeast China.", System Sciences and Comprehensive Studies in Agriculture, 26(3), pp. 344-348.
2009:
- Drury, C.F., Parkin, G.W., Reynolds, W.D., Saso, J.K., Lauzon, J.D., Zhang, T.Q., Tan, C.S., Yang, J.Y., Yang, X.M., Welacky, T.W., and Reid, D.K. (2009). "Refining the N Index to determine the risk of nitrate contamination of surface and ground waters for Ontario agricultural soils.", Nutrient Management Joint Research Program, OMAFRA, Guelph, ON, Canada, March 10, 2009, Report NM8005.
- Drury, C.F., Parkin, G.W., Reynolds, W.D., Saso, J.K., Lauzon, J.D., Zhang, T.Q., Tan, C.S., Yang, J.Y., Yang, X.M., Welacky, T.W., and Reid, D.K. (2009). "Refining the N Index to determine the risk of nitrate contamination of surface and ground waters for agricultural soils.", Joint Annual Meeting of the CSA-CSSS-CSAFM: Sciences for Sustainability: Soils, Agronomy, and Atmosphere, University of Guelph, Guelph, ON, Canada, August 5-7, 2009. (Abstract)
- Drury, C.F., Parkin, G.W., Reynolds, W.D., Zhang, T.Q., Tan, C.S., Yang, J.Y., Yang, X.M., Lauzon, J.D., Saso, J.K., Welacky, T.W., Reid, D.K., and DeJong, R. (2009). "Refining the N index to determine the risk of nitrate contamination of surface and groundwater for Ontario soils.", Nutrient Management Joint Research Forum (NMJRF): Meeting of researchers and project analysts, Delta Hotel and Conference Center, Guelph, ON, Canada, March 3, 2009. (Presentation)
- Drury, C.F., Parkin, G.W., Reynolds, W.D., Zhang, T.Q., Tan, C.S., Yang, J.Y., Yang, X.M., Lauzon, J.D., Saso, J.K., Welacky, T.W., Reid, D.K., and DeJong, R. (2009). Refining the N Index to determine the risk of nitrate contamination of surface and ground waters for Ontario agricultural soils. Final report to Nutrient Management Joint Research Program. (Report)
- Drury, C.F., Parkin, I.A.P., Reynolds, W.D., Saso, J.K., Lauzon, J.D., Zhang, T.Q., Tan, C.S., Yang, J.Y., Yang, X.M., Welacky, T.W., and Reid, K. (2009). "Refining the N index to determine the risk of nitrate contamination of surface and groundwater for Ontario soils.", Nutrient Management Joint Research Forum, Delta Guelph Hotel and Conference Centre, Guelph, ON, Canada, March 3, 2009. (Presentation)
- Drury, C.F., Yang, J.Y., DeJong, R., Huffman, E.C., Yang, X.M., Reid, D.K., and Campbell, C.A. (2009). Changes in the Canadian soil residual nitrogen indicator over 25 Years: 1981-2006., AAFC National Agri-Environmental Health Analysis and Reporting Program (NAHARP), Ottawa, ON. (Report)
- Reynolds, W.D., Drury, C.F., Tan, C.S., Yang, X.M., Zhang, T.Q., and Yang, J.Y. (2009). "A partially cased borehole permeameter method for measuring hydraulic conductivity in the unsaturated zone.", Joint Annual Meeting of the CSA-CSSS-CSAFM: Sciences for Sustainability: Soils, Agronomy, and Atmosphere, University of Guelph, Guelph, ON, Canada, August 5-7, 2009. (Abstract)
- Reynolds, W.D., Drury, C.F., Tan, C.S., Zhang, T.Q., Yang, X.M., Yang, J.Y., and McLaughlin, N.B. (2009). "Current Soil Physics and Soil Physical Quality Research at AAFC-Harrow.", Canada-China Soil and Eco-Environment Cooperative Management Workshop, Shenyang City, Liaoning Province, China, May 5-7, 2009. (Presentation)
- Tan, C.S., Zhang, T.Q., Drury, C.F., Reynolds, W.D., Welacky, T.W., Yang, J.Y., and Yang, X.M. (2009). "Modernizing Water Management Facilities for Research on Environmental Sustainability Programs. Canada-China Soil and Eco-Environment Cooperative Management Workshop.", Canada-China Soil and Eco-Environment Cooperative Management Workshop, Shenyang City, Liaoning Province, China, May 5-7, 2009. (Presentation)
- Yang, J.Y., Drury, C.F., DeJong, R., Huffman, E.C., Kirkwood, V., and Yang, X.M. (2009). "Developing a Canadian agricultural nitrogen budget (CAB c3.0) model to simulate nitrogen cycle at Soil Landscape of Canada (1:1M scale).", Joint Annual Meeting of the CSA-CSSS-CSAFM: Sciences for Sustainability: Soils, Agronomy, and Atmosphere, University of Guelph, Guelph, ON, Canada, August 5-7, 2009. (Poster)
- Yang, J.Y., Drury, C.F., Huffman, E.C., Yang, X.M., and DeJong, R. (2009). "Changes of fertilizer N, manure N and biological N across Canadian agricultural system.", Joint Annual Meeting of the CSA-CSSS-CSAFM: Sciences for Sustainability: Soils, Agronomy, and Atmosphere, University of Guelph, Guelph, ON, Canada, August 5-7, 2009. (Abstract)
- Yang, J.Y., Drury, C.F., Yang, X.M., Reynolds, W.D., Zhang, T.Q., and Tan, C.S. (2009). "Models and Applications in Agro-ecosystems.", Canada-China Soil and Eco-Environment Cooperative Management Workshop, Shenyang City, Liaoning Province, China, May 5-7, 2009. (Presentation)
- Yang, X.M., Drury, C.F., Reynolds, W.D., Yang, J.Y., Tan, C.S., Zhang, T.Q., and Fox, C.A. (2009). "Soil Organic Carbon Sequestration Research at AAFC-Harrow.", Canada-China Soil and Eco-Environment Cooperative Management Workshop, Shenyang City, Liaoning Province, China, May 5-7, 2009. (Presentation)
- Yang, X.M., Drury, C.F., Reynolds, W.D., and Yang, J.Y. (2009). "Conservation tillage and soil organic carbon sequestration and dynamics.", Seminar by Institute of Geography and Agro-Ecology, Chinese Academy of Sciences, Changchun, China, July 16, 2009. (Presentation)
- Yang, X.M., Drury, C.F., Reynolds, W.D., and Yang, J.Y. (2009). "Long-term effects of crop rotation and fertilization on soil organic carbon and total nitrogen pools of a clay loam soil in Southwestern Ontario.", Joint Annual Meeting of the CSA-CSSS-CSAFM: Sciences for Sustainability: Soils, Agronomy, and Atmosphere, University of Guelph, Guelph, ON, Canada, August 5-7, 2009. (Abstract)
- Yang, X.M., Drury, C.F., Reynolds, W.D., and Yang, J.Y. (2009). "Soil organic carbon in physical fractions and their stability.", Seminar by Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang City, Liaoning Province, China, July 13, 2009. (Presentation)
- Yang, X.M., Zhang, Z.D., Drury, C.F., Reynolds, W.D., and Yang, J.Y. (2009). "Carbon mineralization in particle size fractions of a Brookston clay loam soils under no-tillage and moldboard plough tillage.", Soil Organic Matter Symposium, Rothomsted Research, Harpenden, Hertfordshire, UK, June 23-25, 2009. (Abstract)
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