1) Wu Haohao, Xu Xingkai, Cheng Weiguo and Han Lin (2020) Dissolved organic matter and inorganic N jointly regulate greenhouse gases fluxes from forest soils with different moistures during a freeze-thaw period. Soil Science and Plant Nutrition, 66(1): 163-176
2) Wu Haohao, Xu Xingkai, Cheng Weiguo, Fu Pingqing and Li Fayun (2017) Antecedent soil moisture prior to freezing can affect quantity, composition and stability of soil dissolved organic matter during thaw. Scientific Reports, 7, 6380, doi:10.1038/s41598-017-06563-8
3) Wu Haohao, Xu Xingkai, Duan Cuntao, Li Tuansheng and Cheng Weiguo (2017) Effect of carbon and nitrogen addition on nitrous oxide and carbon dioxide fluxes from thawing forest soils. International Agrophysics, 31(3): 339-349
4) Wu Haohao, Xu Xingkai, Duan Cuntao, Li Tuansheng and Cheng Weiguo (2017) Changes in heterotrophic respiration and microbial biomass carbon of forest soils during thaw. Acta Ecologica Sinica, 37(8): 2729-2742 (in Chinese)
5) Zhang Dandan, Mo Liuying, Chen Xin, Zhang Limei and Xu Xingkai (2017) Effects of nitrogen addition on methanotrophs in temperate forest soil. Acta Ecologica Sinica, 37(24): 8254-8263 (in Chinese)
6) Shuirong Tang, Weiguo Cheng, Ronggui Hu, Miyuki Nakajima, Julien Guigue, Samuel Munyaka Kimani, Satoru Sato, Keitaro Tawaraya and Xingkai Xu (2017) Decomposition of soil organic carbon influenced by soil temperature and moisture in Andisol and Inceptisol paddy soils in a cold temperate region of Japan. Journal of Soils and Sediments, 17: 1843-1851
7) Ruan Changlin, Wu Haohao, Xu Xingkai and Li Tuansheng (2017) Comparison of dissolved organic matter in forest soils extracted by different extractants. Environmental Science & Technology, 40(11): 1-7 (in Chinese)
8) Wu Haohao, Xu Xingkai, Duan Cuntao, Li Tuansheng and Cheng Weiguo (2016) Synergistic effects of dissolved organic carbon and inorganic nitrogen on methane uptake in forest soils without and with freezing treatment. Scientific Reports, 6, 32555, doi:10.1038/srep32555
9) Wu Haohao, Xu Xingkai, Duan Cuntao, Li Tuansheng and Cheng Weiguo (2016) Effect of carbon and nitrogen addition on nitrous oxide flux during thawing of frozen temperate forest soils with different moisture levels. Chinese Journal of Ecology, 7: 1807-1818 (in Chinese)
10) Xu Xingkai, Yin Lian, Duan Cuntao and Jing Yunshu (2016) Effect of N addition, moisture, and temperature on soil microbial respiration and microbial biomass in forest soil at different stages of litter decomposition. Journal of Soils and Sediments, 16: 1421-1439
11) Shuirong Tang, Weiguo Cheng, Ronggui Hu, Julien Guigue, Samuel Munyaka Kimani, Keitaro Tawaraya and Xingkai Xu (2016) Simulating the effects of soil temperature and moisture in the off-rice season on rice straw decomposition and subsequent CH4 production during the growth season in a paddy soil. Biology and Fertility of Soils, 52(5): 739-748
12) Xingkai Xu, Cuntao Duan, Haohao Wu, Tuansheng Li and Weiguo Cheng (2016) Effect of intensity and duration of freezing on soil microbial biomass, extractable C and N pools, and N2O and CO2emissions from forest soils in cold temperate region. Science China:Earth Sciences, 59(1): 156-169
13) Miyuki Nakajima, Weiguo Cheng, Shuirong Tang, Yasuaki Hori, Eiko Yaginuma, Satoshi Hattori, Susumu Hanayama, Keitaro Tawaraya and Xingkai Xu (2016) Modeling aerobic decomposition of rice straw during the off-rice season in an Andisol paddy soil in a cold temperate region of Japan: Effects of soil temperature and moisture. Soil Science and Plant Nutrition, 62(1): 90-98
14) Wu Haohao, Xu Xingkai,Duan Cuntao, Li Tuansheng and Cheng Weiguo (2015) Effect of vegetation type, wetting intensity, and nitrogen supply on external carbon stimulated heterotrophic respiration and microbial biomass carbon in forest soils. Science China:Earth Sciences, 58(8): 1446-1456
15) Yin Lian, Xu Xingkai and Jing Yuanshu (2015) Comparison of two measurement methods of dissolved organic carbon and dissolved total nitrogen. Environmental Science & Technology, 38(9): 93-97 (in Chinese)
16) Wu Haohao, Xu Xingkai, Li Tuansheng and Duan Cuntao (2014) Effect of carbon and nitrogen addition on nitrous oxide flux from temperate forest soils under different wetting intensity conditions. Chinese Science Bulletin, 59(14): 1337-1347 (in Chinese)
17) Wang Jinzhi, Hu Zhengyi, Xu Xingkai, Jiang Xia, Zheng Binghui, Liu Xiaoning, Pan Xubin and Kardol Paul (2014) Emissions of ammonia and greenhouse gases during combined pre-composting and vermicomposting of duck manure. Waste Management, 34: 1546-1552
18) Xu Xingkai, Luo Xianbao, Jiang Songhua and Xu Zhongjun (2012) Biodegradation of dissolved organic carbon in soil extracts and leachates from a temperate forest stand and its relationship to ultraviolet absorbance. Chinese Science Bulletin, 57(8): 912-920
19) Xu Xingkai and Luo Xianbao (2012) Effect of wetting intensity on soil GHG fluxes and microbial biomass under a temperate forest floor during dry season. Geoderma, 170: 118-126
20) Xu Xingkai, Han Lin, Luo Xianbao and Han Shijie (2011) Synergistic effects of nitrogen amendments and ethylene on atmospheric methane uptake a temperate old-growth forest. Advances in Atmospheric Sciences, 28(4): 843-854
21) Xu Xingkai, Miao Hongyan and Chen Zhe (2011) The vertical distribution and their relationship of dissolved organic carbon and exchangeable metals in Chinese old-growth forest soils. African Journal of Agricultural Research, 6(4): 998-1008
22) Xu Xingkai and Inubushi Kazuyuki (2009) Ethylene oxidation, atmospheric methane consumption, and ammonium oxidation in temperate volcanic forest soils. Biology and Fertility of Soils, 45: 265-271
23) Zhang Tengyu, Xu Xingkai, Luo Xianbao, Han Lin, Wang Yinghong and Pan Genxing (2009) Effects of acetylene at low concentrations on nitrification, mineralization and microbial biomass nitrogen concentrations in forest soils. Chinese Science Bulletin, 54: 296-303
24) Xu Xingkai and Inubushi Kazuyuki (2009) Temperature effects on ethylene and methane production from temperate forest soils. Chinese Science Bulletin, 54: 1426-1433
25) Xu Xingkai and Inubushi Kazuyuki (2009) Soil acidification stimulates the emission of ethylene from temperate forest soils. Advance in Atmospheric Sciences, 26: 1253-1261
26) Xu Xingkai and Inubushi Kazuyuki (2009) Responses of ethylene and methane consumption to temperature and pH in temperate volcanic forest soils. European Journal of Soil Science, 60: 489-498
27) Xu Xingkai, Han Lin, Luo Xianbao, Liu Zirui and Han Shijie (2009) Effects of nitrogen addition on dissolved N2O and CO2, dissolved organic matter, and inorganic nitrogen in soil solution under a temperate old-growth forest. Geoderma, 151: 370-377
28) Xu Xingkai, Yuan Bin and Wei Jin (2008) Vertical distribution and interaction of ethylene and methane in temperate volcanic forest soils. Geoderma, 145: 231-237
29) Xu Xingkai, Zhang Tengyu and Liu Zirui (2008) Calibration model of microbial biomass carbon and nitrogen concentrations in soils using ultraviolet absorbance and soil organic matter. European Journal of Soil Science, 59: 630-639
30) Xu Xingkai and Inubushi Kazuyuki (2008) Measurement of ethylene and methane production in a temperate forest soil using inhibition of acetylene and carbon monoxide. Chinese Science Bulletin, 53(7): 1087-1093
31) Xu Xingkai and Inubushi Kazuyuki (2007) Production and consumption of ethylene in temperate volcanic surface forest soils. European Journal of Soil Science, 58: 668-679
32) Xu Xingkai and Wang Zijian (2007) Phosphorus uptake and translocation in field-grown maize after application of rare earth-containing fertilizer. Journal of Plant Nutrition, 30: 557-568
33) Xu Xingkai, Han Lin, Wang Yuesi and Inubushi Kazuyuki (2007) Influence of vegetation types and soil properties on microbial biomass carbon and metabolic quotients in temperate volcanic and tropical forest soils. Soil Science and Plant Nutrition, 53: 430-440
34) Xu Xingkai and Inubushi Kazuyuki (2007) Effects of N sources and glucose on the consumption of ethylene and methane by temperate volcanic forest surface soils. Chinese Science Bulletin, 52: 3281-3291
35) Xu Xingkai, Inubushi Kazuyuki and Sakamoto Kazunori (2006) Effect of vegetations and temperate on microbial biomass carbon and metabolic quotients of temperate volcanic forest soils. Geoderma, 136:310-319
36) Xu Xingkai and Inubushi Kazuyuki (2005) Contribution of mineralization of nitrogen to N2O production in some acid forest soils under controlled aerobic conditions. Soil Science and Plant Nutrition, 51(5): 683-688
37) Boeckx Pascal, Xu Xingkai and Van Cleemput Oswald (2005) Mitigation of N2O and CH4 emission from rice-wheat cropping systems using dicyandiamide and hydroquinone. Nutrient Cycling in Agroecosystems, 72: 41-49
38) Xu Xingkai, Boeckx Pascal, Van Cleemput Oswald and Inubushi Kazuyuki (2005) Mineral nitrogen in a rhizosphere soil and in standing water during rice (Oryza sativa L.) growth: effect of hydroquinone and dicyandiamide. Agriculture, Ecosystems and Environment, 109: 107-117
39) Huang Yao, Zou Jianwen, Zheng Xunhua, Wang Yuesi and Xu Xingkai (2004) Nitrous oxide emissions as influenced by amendment of plant residues with different C:N ratios. Soil Biology and Biochemistry, 36(6): 973-981
40) Xu Xingkai and Inubushi Kazuyuki (2004) Effects of N sources and methane concentrations on methane uptake potential of a typical coniferous forest and its adjacent orchard soil.Biology and Fertility of Soils, 40: 215-221
41) Xu Xingkai, Wang Zijian, Wang Yuesi and Inubushi Kazuyuki (2003) Urea hydrolysis and inorganic-N in a luvisol after application of fertilizer containing rare-earth elements. Australian Journal of Soil Research, 41(4): 741-748
42) Xu Xingkai, Zhu Wangzhao, Wang Zijian and Witkamp Geert-Jan (2003) Accumulation of rare earth elements in maize plants (Zea mays L.) after application of mixtures of rare earth elements and lanthanum. Plant and Soil, 252(2): 267-277
43) Xu Xingkai, Boeckx Pascal, Van Cleemput Oswald and Zhou Likai (2002) Urease and nitrification inhibitors to reduce emissions of CH4 and N2O in rice production. Nutrient Cycling in Agroecosystems, 64(1-2): 203-211
44) Zheng Xunhua, Fu Congbin, Xu Xingkai, Yan Xiaodong, Huang Yao, Han Shenghui, Hu Fei and Chen Guanxiong (2002) The Asian nitrogen cycle case study. Ambio, 31(2): 79-87
45) Xu Xingkai, Boeckx Pascal, Wang Yuesi, Huang Yao, Zheng Xunhua, Hu Fei and Van Cleemput Oswald (2002) Nitrous oxide and methane emissions during rice growth and through rice plants: effect of dicyandiamide and hydroquinone. Biology and Fertility of Soils, 36(1): 53-58
46) Xu Xingkai, Boeckx Pascal, Zhou Likai and Van Cleemput Oswald (2002) Inhibition experiments on nitrous oxide emission from paddy soils. Global Biogeochemical Cycles, 16, 10.1029/2001GB001397
47) Xu Xingkai, Zhu Wangzhao, Wang Zijian and Witkamp Geert-Jan (2002) Distributions of rare earths and heavy metals in field-grown maize after application of rare earth-containing fertilizer. The Science of the Total Environment, 293: 97-105
48) Xu Xingkai and Wang Zijian (2001) Effects of lanthanum and mixtures of rare earths on ammonium oxidation and mineralization of nitrogen in soil. European Journal of Soil Science, 52(2): 323-330
49) Xu Xingkai, Huang Yao, Zhou Likai, Huang Guohong and Van Cleemput Oswald (2001) Effect of dicyandiamide and hydroquinone on the transformation of urea-nitrogen-15 in soil cropped to wheat. Biology and Fertility of Soils, 34(4): 286-290
50) Xu Xingkai, Zhou Likai, Van Cleemput Oswald and Wang Zijian (2000) Fate of urea-15N in a soil-wheat system as influenced by urease inhibitor hydroquinone and nitrification inhibitor dicyandiamide. Plant and Soil, 220: 261-270
51) Xu Xingkai, Wang Yuesi, Zheng Xunhua, Wang Mingxing, Wang Zijian, Zhou Likai and Van Cleemput Oswald (2000) Methane emission from a simulated rice field ecosystem as influenced by hydroquinone and dicyandiamide. The Science of the Total Environment, 263(1-3): 243-253

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