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International Online Symposium on Soil C and N Dynamics by Land Use, Management and Climate Changes Main Topics: Carbon sequestration? Greenhouse gases emission? Plants production? Soil fertility? Effect of Climate Changes? Soil mineral and organic components? Date : September 28 ‐ 29, 2020 Venue: Zoom Cloud Meeting for most participants, and Yamagata University for participants who can attend in Tsuruoka, Japan Organizer & Contact: Prof. Weiguo CHENG (Yamagata University, Japan) Phone: +81‐235‐28‐2824 E‐mail: [email protected]‐u.ac.jp Sponsor: Yamagata University UGAS, Iwate University Program (1) OM: Opening message; KN: Keynote; OC: Oral Communication; P: Poster Presentation Monday, 2020/9/28 Time in Time in Presenter, Session / Presentation Presenter Japan Affiliation country 8:00 Start registration online Opening Ceremony OM 1 Opening welcome message from Dean of United Prof. UEMURA Japan Graduate School of Agricultural Sciences, Iwate Matsuo, Iwate 9:00-9:10 University University 9:00-9:10 Prof. MURAYAMA OM 2 Opening welcome message from Dean of Faculty Japan Hideki, Yamagata of Agriculture,Yamagata University 9:10-9:20 University 9:10-9:20 OM 3 Opening welcome message and introduction of the Prof. CHENG Weiguo, Japan 9:20-9:30 IOS from Organizer Yamagata University 9:20-9:30 Session 1: Natural and Artificial Wetlands KN 1 Effects of mire disturbance by Sika deer on Prof. INUBUSHI Japan physico-chemical properties of peat soils and Kazuyuki, Chiba 9:30-10:00 greenhouse gas flux in Ozegahara Mire, Japan University 9:30-10:00 USA KN 2 Soil and vegetation characteristics along Prof. Jay P. Sah, hydrologic gradient in marl- and peat- dominated Florida International (last day) 10:00-10:30 wetlands in Everglades, Florida University 21:00-21:30 10:30-10:40 Coffee/Tea Break Prof. Abdul Hadi, KN 3 Peatland restoration at Kayu Tangi Conserved Indonesia Lambung Mangkurat Area: A pilot project 10:40-11:10 University 8:40-9:10 Dr. Nguyen-Sy Toan, OC 1 Extractable carbohydrate as affected by long term Vietnam The University of conversion from forest to rice paddy 11:10-11:30 Danang 9:10-9:30 OC 2 The warming winter accelerated methane Pre-Dr. WU Xian, China emissions during subsequent rice growing season Huazhong Agricultural 11:30-11:50 from paddy fields University 10:30-10:50 OC 3 Japan CH4 emission from paddy field with dry direct Dr. NAKAJIMA Miyuki, 11:50-12:10 seeding NARO-Tohoku 11:50-12:10 Dr. Crisanta S. Bueno, OC 4 Dry direct seeding as an adaptive technology in Philippines University of the drought-prone rainfed in the Philippines 12:10-12:30 Philippines Los Baños 11:10-11:30 12:30-13:30 Lunch Break in Japan Ⅰ Program (2) OM: Opening message; KN: Keynote; OC: Oral Communication; P: Poster Presentation Monday, 2020/9/28 Time in Time in Presenter/ Session / Presentation Presenter Japan Affiliation country Session 2: Agricultural Lands and Climate Change KN 4 Investigating the mitigation mechanisms of Prof. Amnat Chidthaisong, Thailand methane emissions from paddy field by biochar King Mongkut's University 13:30-14:00 application of Technology Thonburi 11:30-12:00 KN 5 Rice straw cover effects on soil erosion and Prof. Woo-Jung Choi, Korea carbon, nitrogen, and phosphorus loss from maize Chonnam National 14:00-14:30 fields University 14:00-14:30 Dr. Sanna Saarnio, OC 5 Effects of raised water level on greenhouse gas Finland Natural Resources fluxes in boreal croplands on peat soil 14:30-14:50 Institute Finland 8:30-8:50 OC 6 Effects of field management on soil organic carbon Dr. WATANABE Japan 14:50-15:10 in upland fields in Thailand Takeshi, JIRCAS 14:50-15:10 Dr. Julien Guigue, OC 7 VNIR hyperspectral imaging of soil organic matter Germany Technical University in agricultural soils 15:10-15:30 of Munich 8:10-8:30 15:30-15:40 Coffee/Tea Break OC 8 Effects of different land-use patterns on soil microbial Dr. KONG Yuhua, China biomass carbon, nitrogen contents and enzyme Henan Agricultural 15:40-16:00 activities in rocky mountains of Northern China University 14:40-15:00 OC 9 Study of soil chemical properties and nitrogen Pre-Dr. Patria N. Indonesia dynamics in paddy fields with different cropping Kusumawardani, 16:00-16:20 patterns in Central Java Indonesia Universitas Gadjah Mada 14:00-14:20 OC 10 Co-elevated CO2 and temperature affect biomass, Dr. Hyun-Jin Park, Korea chemical composition, and decomposability of rice Chonnam National 16:20-16:40 residues University 16:20-16:40 OC 11 Effects of prior upland cropping on nitrous oxide Pre-Dr. XU Peng, China emission from rice-growing seasons-comparing Huazhong Agricultural 16:40-17:00 rice-rapeseed and rice-wheat rotations University 15:40-16:00 OC 12 Utilization of Azolla in rice cultivation for Pre-Dr. Samuel M. Japan environmental conservation and adaptation to Kimani, UGAS-Iwate 17:00-17:20 climate change University 17:00-17:20 Dr. Alfred Arthur, OC 13 Soil carbon stocks and nutrient dynamics under Ghana Cocoa Research cocoa plantations of different ages 17:20-17:40 Institute of Ghana 8:20-8:40 Online Party (18:00-19:00) Pre-Dr: who will receive Ph.D degree soon. Ⅱ Program (3) OM: Opening message; KN: Keynote; OC: Oral Communication; P: Poster Presentation Tuesday, 2020/9/29 Time in Time in Presenter/ Session / Presentation Presenter Japan Affiliation country 8:00 Start registration online Session 3: Forests and Treelands KN 6 Effect of changes in throughfall on soil GHG fluxes Prof. XU Xingkai, China under a mature temperate forest, northeastern China: Chinese Academy of 9:00-9:30 measurement and meta-analysis Sciences 8:00-8:30 Prof. SASE Hiroyuki, KN 7 Nitrogen saturation in forest ecosystems in central Japan Asia Center for Air Japan, recovery or progress? 9:30-10:00 Pollution Research 9:30-10:00 Dr. Silvio Y. Ushiwata, Brazil OC 14 Soil quality under integrated crop-livestock system Universidade do Estado (last day) – a case study in Middle-West Brazil 10:00-10:20 de Mato Grosso 22:00-22:20 Dr. TAN Ngai Paing, OC 15 Soil carbon, nitrogen and phosphorus changes of Malaysia Universiti Putra oil palm fields with different planting age 10:20-10:40 Malaysia 9:20-9:40 10:40-10:50 Coffee/Tea Break Effects of different fertilizer applications on SOC OC 16 Dr. TANG Shuirong, China mineralization and composition in rubber Hainan University 10:50-11:10 plantation, Hainan, China 9:50-10:10 OC 17 Spatial variability of soil properties reflecting field Dr. Wong Mum Keng, Malaysia management practices in a matured oil palm The Genting 11:10-11:30 ecosystem Plantation 10:10-10:30 OC 18 Nitrogen fertilizer reducing and green manure Pre-Dr. LUO Yue, China planting modulate runoff nitrogen and phosphorus Huazhong Agricultural 11:30-11:50 loss in citrus orchard University 10:30-10:50 OC 19 Soil carbon dynamics in the apple orchard under Prof. ITO Daiyu, Japan 11:50-12:10 the changing climate Hirosaki University 11:50-12:10 12:10-13:30 Lunch Break in Japan Session 4: Poster Presentations (13:30-17:00) 13:30-14:30 P1~P16 14:30-15:30 P18~P32 15:30-16:30 Free chat 16:30-17:00 Farewell Massage Ⅲ Poster presentations (1) Country No. Presenter Affiliation Title in Dr. Niigata Fertilization management for organic ricecultivation P1 FURUKAWA Japan Prefecture in weed coexistenceenvironment Yuichiro Dr. YASHIMA A soil C and N recovery trial using green manures P2 Chiba University Japan M. Miwa in a decontamination site of Fukushima area Effect of pellet compost on CO₂ and N₂O P3 SATO Makiba Chiba University Japan production and plant growth in Andosols and Chernozem TAIRA Cyanobacteria as candidates for remediation of P4 Chiba University Japan Hidetoshi degraded soils Chonnam Soil salinity effects on soil carbon content and rice Dr. PARK P5 National Korea yield in reclaimed coastal tideland paddies with Hyun-Jin University different cultivation years Chonnam Estimation of electrical conductivity of saturated SEO Bo- P6 National Korea soil paste from 1:1, 1:2, 1:5 soil-water extracts in Seong University soils with different texture Chinese Academy Responses of soil DOM quantity and quality to Dr. WU P7 of Sciences China freeze–thaw and litter manipulation with Haohao (Beijing) contrasting soil water content: a laboratory Chinese Academy Dr. WU The role played by vegetation water use strategies in the response P8 of Sciences China of gross primary productivity to drought across China: integration of Haohao (Nanjing) flux tower, satellite data, and process-based model Henan Seasonal dynamics of soil active carbon and GONG P9 Agricultural China nitrogen under 5 different ages of Platycladus Shanshan University orientalis artificial forest in rocky mountains of Huazhong The effect of zero-valent iron addition on the P10 HU Jinli Agrcultural China process of returning straw to paddy fields University Huazhong Prior nitrogen fertilization regulates CH emissions JIANG 4 P11 Agrcultural China from rice cultivation by increasing soil carbon storage Mengdie University in a rapeseed-rice rotation Huazhong Evaluating the impact of earthworm on urea-15N P12 NA Liping Agrcultural China utilization and potential environmental pollution University Huazhong Organic matter mineralization in different horizons P13 SU Ronglin Agrcultural China of paddy soil responses to temperature change University Huazhong Land use and fertilization impacts on nitrogen in P14 XIAO Hengbin Agrcultural China water body University UPMC Interests of Rock-Eval® thermal analysis on soil P15 SUN Zheng University Paris France organic matter 06 Improvement of soil properties and enzyme Hainan P16 XU Wenxian China activities of young rubber plantation in Hainan University through kudzu mulching Ⅳ Poster presentations (2) Country No.