Publications

Kim, J.H., Kang, Y.G., Lee, J.Y., Kim, J.H., Choi, J.W., & Oh, T.K. 2025. Effect of organic fertilizers mixed with ginkgo leaf biochar on lettuce growth and soil chemical properties. Environmental Research Communications, 7, 115027. DOI: 10.1088/2515-7620/ae219d.

Kang, Y.G., Lee, J.Y., Choi, J., Kim, J.H., Kim, J.H., Yun, Y.U., & Oh, T.K. 2025. Effects of organic fertilizer combined with rice husk biochar on soil quality and crop productivity. Agricultural and Environmental Science, 44, 180-187. DOI: 10.5338/KJEA.2025.44.19.

Kang, Y.G., Kim, Y.J., Lee, J.Y., Kim, J.H., Choi, J., Kim, J.H., & Oh, T.K. 2025. Short-term effect of biochar application on crop productivity under varying soil pH conditions. Korean Journal of Agricultural Science 52, 481-490. DOI: 10.7744/kjoas.520407.

Kang, Y.G., Kim, J.H., Lee, J.Y., Kim, J.H., Choi, J., & Oh, T.K. 2025. Potential role of pyrolysis temperature for brewer’s spent grain biochar on mitigating ammonia emissions from urea-fertilized soils. Korean Journal of Soil Science and Fertilizer, 58, 190-201. DOI: 10.7745/KJSSF.2025.58.2.190.

Shin, J.H., Kang, Y.G., Lee, J.Y., Choi, J., Kim, J.H., Kim, J.H., & Oh, T.K. 2025. Monitoring soil characteristics of the Saemangeum reclaimed agricultural soils for enhancing upland crop productivity. Korean Journal of Agricultural Science, 52, 223-231. DOI: 10.7744/kjoas.520302.

Kang, Y.G., Choi, J., Lee, J.Y., Kim, J.H., Kim, J.H., & Oh, T.K. 2025. Identifying an accurate and efficient approach to soil organic matter removal for quantifying microplastics in agricultural soils. Korean Journal of Agricultural Science, 52, 417-425. DOI: 10.7744/kjoas.520403.

Kang, Y.G., Lee, J.Y., Kim, J.H., Choi, J., Kim, J.H., Chun, J.H., & Oh, T.K. 2025. Machine learning approach for quantifying methane emissions from a flooded rice paddy in Chungcheong province. Korean Journal of Soil Science and Fertilizer, 58, 324-334. DOI: 10.7745/KJSSF.2025.58.3.324.

Kang, Y.G., Kim, J.H., Lee, J.Y., Choi, J., Kim, J.H., & Oh, T.K. 2025. Evaluation of the feasibility of fertilizer deep-placement for N2O mitigation and soil fertility improvement in rice paddies of Chungnam province. Korean Journal of Soil Science and Fertilizer, 58, 314-323. DOI: 10.7745/KJSSF.2025.58.3.314.

Serwaa, R.N., Oh, T.K., & Sung, J. 2025. Understanding the combined effect of biochar and nitrogen fertilizer on crop yield, nitrogen use efficiency and physiological properties of corn plant. Korean Journal of Agricultural Science, 52, 491-504. DOI: 10.7744/kjoas.520408.

Jeon, Y.J., Kang, Y.G., Eun, J.A., & Oh, T.K. 2024. Yield, functional properties and nutritional compositions of leafy vegetables with dehydrated food waste and spent coffee grounds. Applied Biological Chemistry, 67, 22. DOI: 10.1186/s13765-024-00863-0.

Kang, Y.G., Lee, J.Y., Cho, G., Yun, Y., & Oh, T.K. 2024. Synergy effect of silicate fertilizer and iron slag: A sustainable approach for mitigating methane emission in rice farming. Science of the Total Environment, 935, 173392. DOI: 10.1016/j.scitotenv.2024.173392.

Kang, Y.G., Chun, J.H., Yun, Y.U., Lee, J.Y., Sung, J., & Oh, T.K. 2024. Pyrolysis temperature and time of rice husk biochar potentially control ammonia emissions and Chinese cabbage yield from urea-fertilized soils. Scientific Reports, 14, 5692. DOI: 10.1038/s41598-024-54307-2.

Kang, Y.G., Park, D.G., Lee, J.Y., Choi, J., Kim, J.H., Kim, J.H., Yun, Y.U., & Oh, T.K. 2024. Ammonium capture kinetic, capacity, and prospect of rice husk biochar produced by different pyrolysis conditions. Scientific Reports, 14, 29910. DOI: 10.1038/s41598-024-80873-6.

Kang, Y.G., Lee, J.Y., Kim, J.H., & Oh, T.K. 2024. Quantifying soil organic matter for sustainable agricultural land management with soil color and machine learning technique. Agronomy Journal, 116, 982-989. DOI: 10.1002/agj2.21525.

Park, D.G., Jeong, H.C., Jang, E.B., Lee, J.M., Lee, H.S., Park, H.R., Lee, S.I., Park, D.G., Jang, E.B., & Oh, T.K. 2024. Effect of rice hull biochar treatment on net ecosystem carbon budget and greenhouse gas emissions in Chinese cabbage cultivation on infertile soil. Applied Biological Chemistry, 67, 44. DOI: 10.1186/s13765-024-00903-9.

Lee, H.S., Gwon, H.S., Lee, S.I., Park, H.R., Lee, J.M., Park, D.G., Lee, S.R., Eom, S.H., & Oh, T.K. 2024. Reducing methane emissions with humic acid-iron complex in rice cultivation: Impact on greenhouse gas emissions and rice yield. Sustainability, 16, 4059. DOI: 10.3390/su16104059.

Park, D.G., Kim, H.W., Lee, H.S., Lee, M.J., Park, H.R., Oh, T.K., & Lee, S.I. 2024. Evaluation of the impact of continuous use of rice hull biochar on greenhouse gas emissions and net ecosystem carbon balance in Kimchi cabbage cultivation. Korean Journal of Environmental Agriculture, 43, 117-127. DOI: 10.5338/KJEA.2024.43.12.

Lee, J.Y., Park, D.G., Kang, Y.G., Kim, J.H., Kim, J.H., Choi, J.W., Yun, Y.U., & Oh, T.K. 2024. Effect of biochar derived from rice husk and chicken manure on lettuce growth and soil chemical properties. Korean Journal of Agricultural Science, 51, 271-281. DOI: 10.7744/kjoas.510303.

Park, J.O., Kang, Y.G., Lee, D.B., Lee, B.O., & Oh, T.K. 2024. Effect of liquid fraction from livestock manure on short-term cucumber (Cucumis sativus L.) cultivation. Journal of Agricultural Science, 51, 625-634. DOI: 10.7744/kjoas.510416.

Shin, J.H., Kang, Y.G., Lee, J.Y., Kim, J.H., & Oh, T.K. 2024. Effect of poultry manure biochar on soil nutrition and carbon improvement in Saemangeum reclaimed soils. Journal of Agricultural Science, 51, 643-654. DOI: 10.7744/kjoas.510418.

Kim, J.H., Kang, Y.G., Lee, J.Y., Kim, J.H., Choi, J.W., & Oh, T.K. 2024. Influences of silicate fertilizers containing different rates of iron slag on CH4 emission and rice (Oryza sativa L.) growth. Journal of Agricultural Science, 51, 227-238. DOI: 10.7744/kjoas.510213.

Kang, Y.G., Choi, J., Lee, J.Y., Kim, J.H., Kim, J.H., Park, D.G., Oh, T.K., & Yun, Y.U. 2024. Response of biochar amendment for substituting organic fertilizer ingredients in kale-grown soils. Journal of Agricultural Science, 51, 819-827. DOI: 10.7744/kjoas.510430.

Lee, J.Y., Kang, Y.G., Kim, J.H., Kim, J.H., Choi, J., & Oh, T.K. 2024. Quantification of methane emissions in rice paddies: A machine learning approach with rice cultivar and transplanting date. Korean Journal of Soil Science and Fertilizer, 57, 331-343. DOI: 10.7745/KJSSF.2024.57.4.331.

Kim, J.H., Park, H., Bae, M.H., Seo, Y., Gu, E.Y., Oh, T.K., & Lee, B.S. 2024. Effect of cordycepin-enriched Cordyceps militaris L. extract powder on alcohol degradation and hepatoprotection in mice alcohol model. Journal of Agricultural Science, 51, 169-178. DOI: 10.7744/kjoas.510207.

Kim, J.H., Park, H., Bae, M.H., Seo, Y., Gu, E.Y., Oh, T.K., & Lee, B.S. 2024. Hepatoprotective effect of cordycepin-enriched Cordyceps militaris extract powder on high fat diet-induced hepatic steatosis in obese (ob/ob) mice. Journal of Agricultural Science, 51, 159-167. DOI: 10.7744/kjoas.510206.

Kim, J.H., Park, H., Bae, M.H., Seo, Y., Gu, E.Y., Oh, T.K., & Lee, B.S. 2024. Evaluation of liver function using Cordyceps militaris extract powder in Sprague-Dawley rat with acute hepatic injury induced by dimethylnitrosamine. Journal of Agricultural Science, 51, 147-158. DOI: 10.7744/kjoas.510205.

Lee, J.H., Lee, J.Y., Kang, Y.G., Kim, J.H., & Oh, T.K. 2023. Evaluating methane emissions from rice paddies: A study on the cultivar and transplanting date. Science of the Total Environment, 902, 166174. DOI: 10.1016/j.scitotenv.2023.166174.

Kang, Y.G., Lee, J.H., Lee, J.Y., Kim, J.H., Oh, T.K., & Sung J.K. 2023. Effect of pyrolysis conditions on chemical properties of carbonzied rice husks for efficient NH4+ adsorption. Applied Biological Chemistry, 66, 45. DOI: 10.1186/s13765-023-00806-1.

Sung, J., Kim, W., Oh, T.K., & So, Y.S. 2023. Nitrogen (N) use efficiency and yield in rice under varying types and rates of N source: chemical fertilizer, livestock manure compost and food waste-livestock manure compost. Applied Biological Chemistry, 66, 4. DOI: 10.1186/s13765-022-00766-y.

Jang, E.B., Jeong, H.C., Gwon, H.S., Lee, H.S., Park, H.R., Lee, J.M., Oh, T.K., & Lee, S.I. 2023. Effect of water management on greenhouse gas emissions from rice paddies using a slow-release fertilizer. Korean Journal of Environmental Agriculture, 42, 112-120. DOI: 10.5338/KJEA.2023.42.2.14.

Kang, Y.G., Lee, J.H., Lee, J.Y., & Oh, T.K. 2023. The effects of different management strategies on growth and quality of rice (Oryza sativa L.). Journal of Agricultural Science, 50, 75-86. DOI: 10.7744/kjoas.20230004.

Wijeysingha, S., Walpola, B.C., Kang, Y.G., Yoon, M.H., & Oh, T.K. 2023. Practical significance of plant growth-promoting rhizobacteria in sustainable agriculture: a review. Journal of Agricultural Science, 50, 759-771. DOI: 10.7744/kjoas.500414.

Kang, Y.G., Lee, J.Y., Kim, J.H., Oh, T.K., & Yun, Y.U. 2023. Effects of organic amendments on lettuce (Lactuca sativa L.) growth and soil chemical properties in acidic and non-acidic soils. Journal of Agricultural Science, 50, 713-721. DOI: 10.7744/kjoas.500410

Kang, Y.G., Lee, J.H., Lee, J.Y., & Oh, T.K. 2023. Effects of application rate and pH of carbonized rice husk on the reduction of NH3 volatilization and soil quality. Journal of Agricultural Science, 50, 231-239. DOI: 10.7744/kjoas.20230018.

Kang, Y.G., Lee, J.H., Lee, J.Y., Kim, J.H., & Oh, T.K. 2023. Effects of biochar-based fertilizer on ammonia volatilization under controlled conditions. Journal of Agricultural Science, 50, 479-488. DOI: 10.7744/kjoas.500313.

Lee, J.Y., Kang, Y.G., Kim, J.H., Oh, T.K., & Yun, Y.U. 2023. Effects of nutrient-coated biochar amendments on the growth and elemental compositions of leafy vegetables. Journal of Agricultural Science, 50, 967-976. DOI: 10.7744/kjoas.500430.

Kang, Y.G., Lee, J.H., Lee, J.Y., & Oh, T.K. 2023. Statistical estimation of soil carbon stocks in Chungcheong province through digital soil mapping and multiple linear regression. Korea Journal of Soil Science and Fertilizer, 56, 209-216. DOI: 10.7745/KJSSF.2023.56.3.209.

Kang, Y.G., Chun, J.H., Lee, J.H., Park, S.Y., Luyima, D., Oh, T.k., & Yun, Y.U. 2022. Effects of Varying Rates of Nitrogen and Biochar pH on NH3 Emissions and Agronomic Performance of Chinese Cabbage (Brassica rapa ssp. pekinensis). Agronomy 12, 61. DOI: 10.3390/agronomy12010061

Chun, J.H., Kang, Y.G., Lee, J.H., Yun, Y.U., Oh, T.K., & Yoon, M.H. 2022. The combined effect of nitrogen and biochar amendments on the yield and glucosinolate contents of the Chinese cabbage. Journal of King Saud University – Science 34, 101799. DOI: 10.1016/j.jksus.2021.101799

Kang, Y.G., Lee, J.H., Chun, J.H., Yun, Y.U., Hatamleh, A.A., Al-Dosary, M.A., Al-Wasel, Y.A., Lee, K.S., & Oh, T.K. 2022. Influence of individual and co-application of organic and inorganic fertilizer on NH3 volatilization and soil quality. Journal of King Saud University – Science 34, 102068. DOI: 10.1016/j.jksus.2022.102068

Sonn, Y.K., Yoo, J.H., Luyima, D., Lee, J.H., Chun, J.H., Kang, Y.G., Oh, T.K., & Cho, J. 2022. Development of Models to Estimate Total Soil Carbon across Different Croplands at a Regional Scale Using RGB Photography. International Journal of Environmental Research and Public Health 19, 9344. DOI: 10.3390/ijerph19159344

Egyir, M., Luyima, D., Park, S.J., Lee, K.S., & Oh, T.K. 2022. Volatilisations of ammonia from the soils amended with modified and nitrogen-enriched biochars. Science of the Total Environment 835, 155453. DOI: 10.1016/j.scitotenv.2022.155453

Egyir, M., Luyima, D., Kim, S.H., & Oh, T.K. 2022. Effects of modified and nitrogen-enriched biochars on ammonia emissions and crop yields under a field environment. Water, Air, & Soil Pollutant 233, 439. DOI: 10.1007/s11270-022-05871-8

Kang, Y.G., Park, S.J., Lee, J.H., Chun, J.H., Lee, J.Y., & Oh, T.K. 2022. Status and changes in physico-chemical properties of soil in Chungcheongnam-do. Korean Journal of Agricultural Science 49, 239-247. DOI: 10.7744/kjoas.20220021

Kang, Y.G., Kim, N.H., Kim, J.H., Ko, D.H., Lee, J.H., Chun, J.H., & Oh, T.K. 2022. Comparative study of individual and co-application of biochar and wood vinegar on growth of perilla (Perilla frutescens var.) and soil quality. Korean Journal of Agricultural Science 49, 357-366. DOI: 10.7744/kjoas.20220034

Lee, C.W., Ok, J.H., Kim, Y.M., Song, Y.S., Park, H.J., Hyun, B.K., Lee, Y.J., Oh, T.K. & 2022. Effect of soil physical properties on nitrogen leaching during sesame (Sesamum indicum L.) cultivation under lysimeter conditions. Korean Journal of Agricultural Science 49, 379-387. DOI: 10.7744/kjoas.20220037

Lee, J.H., Choi, Y.J., Chun, J.H., Kang, Y.G., Yun, Y.U., Oh, T.K. & 2022. Effects of organic fertilizers mixed with dehydrated food waste powder on agronomic performance of leafy vegetables. Korean Journal of Agricultural Science 49, 397-405. DOI: 10.7744/kjoas.20220027

Chun, J.H., Kang, Y.G., Yu, Y.J., Lee, J.H., Yun, Y.U., & Oh, T.K. 2022. Effects of different nitrogen fertilizer applications on growth of Chinese cabbage (Brassica rapa L. ssp. pekinensis). Korean Journal of Agricultural Science 49, 657-666. DOI: 10.7744/kjoas.20220049

Kang, Y.G., Lee, J.H., & Oh, T.K. 2022. Monitoring physical chemical properties of soil in Chungcheongbuk-do. Korean Journal of Agricultural Science 49, 667-676. DOI: 10.7744/kjoas.20220061

Kang, Y.G., Sonn, Y.K., Lee, J.H., Chun, J.H., Lee, C.H., & Oh, T.K. 2022. Prediction of Soil Carbon Contents Using Smartphone Images and Multiple Regression Analysis. Korean Journal of Soil Science and Fertilizer 55, 228-238. DOI: 10.7745/KJSSF.2022.55.3.228

Lee, Y., Kim, G.E., Oh, T.K., & Sung, J. 2022. Yield and Nitrogen Use Efficiencies (NUEs) in Open Field Pepper: Effect of Different Types of Basal Fertilizer and Fertigation Ratio. Korean Journal of Soil Science and Fertilizer 55, 286-298. DOI: 10.7745/KJSSF.2022.55.4.286

Kim, W., Lee, Y., Oh, T.K., & Sung, J. 2022. Water/nutrient use efficiency and effect of fertigation: a review. Korean Journal of Agricultural Science 49, 919-926. DOI: 10.7744/kjoas.20220083

Luyima, D., Egyir, M., Yun, Y.U., Park, S.J., & Oh, T.K. 2021. Nutrient Dynamics in Sandy Soil and Leaf Lettuce Following the Application of Urea and Urea-Hydrogen Peroxide Impregnated Co-Pyrolyzed Animal Manure and Bone Meal. Agronomy 11, 1664. DOI: 10.3390/agronomy11081664

Luyima, D., Egyir, M., Lee, J.H., Yoo, J.H., & Oh, T.K. 2021. A review of the potentiality of biochar technology to abate emissions of particulate matter originating from agriculture. International Journal of Environmental Science and Technology 21, 3267. DOI: 10.1007/s13762-021-03267-5

Yang, J.W., Luyima, D., Park, S.J., Kim, S.H., & Oh, T.K. 2021. Mixing Sodium-Chloride-Rich Food Waste Compost with Livestock Manure Composts Enhanced the Agronomic Performance of Leaf Lettuce. Sustainability 13, 13223. DOI: doi.org/10.3390/su132313223

Yoo, J.H., Luyima, D., Lee, J.H., Park, S.Y., Yang, J.W., An, J.Y., Yun, Y.U., & Oh, T.K. 2021. Effects of brewer’s spent grain biochar on the growth and quality of leaf lettuce (Lactuca sativa L. var. crispa.). Applied Biological Chemistry 64, 10. DOI: 10.1186/s13765-020-00577-z

Kang, Y.G., Lee, J.Y., Chun, J.H., Lee, J.H., Yun, Y.U., & Oh, T.K. 2021. Adsorption characteristics of NH4-N by biochar derived from pine needles. Korean Journal of Agricultural Science. 48, 589–596. DOI: 10.7744/kjoas.20210049

Kang, Y.G., Lee, J.H., Chun, J.H., & Oh, T.K. 2021. Adsorption Characteristics of NH4+ by Biochar Derived from Rice and Maize Residue. Korean Journal of Environmental Agriculture 40, 161.-168. DOI: 10.5338/KJEA.2021.40.3.19

Jang, H.H., Oh, T.K., & Sung, J.K. 2021. A study to improve the national technical qualification practical evaluation method of National Competency Standards in the seed and horticulture industry. Korean Journal of Agricultural Science 48, 729-738. DOI: 10.7744/kjoas.20210072

Kang, Y.G., Lee, J.H., Chun, J.H., Yun, Y.U., Oh, T.K., & Sung, J.K. 2021. Evaluation of NH3 emissions in accordance with the pH of biochar. Korean Journal of Agricultural Science 48, 787-796. DOI: 10.7744/kjoas.20210066

Jang, H.H., Oh, T.K., & Sung, J.K. 2021. A study to improve the national technical qualification practical evaluation method of National Competency Standards in the field of organic agriculture. Korean Journal of Agricultural Science 48, 855-863. DOI: 10.7744/kjoas.20210072

Jang, H.H., Oh, T.K., & Sung, J.K. 2021. A study to improve the national technical qualification practical evaluation method of National Competency Standards in the field of floral design. Korean Journal of Agricultural Science 48, 865-873. DOI: 10.7744/kjoas.20210072

Yoo, J.H., Sung, J.K., Luyima, D., Oh, T.K., & Cho, J. 2021. Development of a soil total carbon prediction model using a multiple regression analysis method. Korean Journal of Agricultural Science 48, 891-897. DOI: 10.7744/kjoas.20210075

Park, S.J., Kwon, S.I., Kim, S.H., Shim, J., Lee, Y.H., & Oh, T.K. 2021. Estimation of Soil Organic Carbon (SOC) Stock in South Korea Using Digital Soil Mapping Technique. Korean Journal of Soil Science and Fertilizer 54, 247. DOI: 10.7745/KJSSF.2021.54.2.247

Lee, J.H., Luyima, D., Lee, C.H., Park, S.J., & Oh, T.K. 2020. Efficiencies of unconventional bulking agents in composting food waste in Korea. Applied Biological Chemistry, 63, 68. DOI: 10.1186/s13765-020-00554-6

Luyima, D., Sung, J., Lee, J.H., Woo, S.A., Park, S.J., & Oh, T.K. 2020. Sorption of urea hydrogen peroxide by co-pyrolysed bone meal and cow dung slowed-down phosphorus and nitrogen releases but boosted agronomic efficiency. Applied Biological Chemistry, 63, 52. DOI: 10.1186/s13765-020-00535-9

Luyima, D., Lee, J.H., Sung, J., & Oh, T.K. 2020. Co-pyrolysed animal manure and bone meal-based urea hydrogen peroxide (UHP) fertilisers are an effective technique of combating ammonia emissions. Journal of Material Cycles and Waste Management, 22, 1887-1898. DOI: 10.1007/s10163-020-01074-7

Hwang, T.Y., Gwak, S.C., Sung, J., Chung, J.W., Shinogi, Y., Oh, T.K., & Kim, H.S. (2020). Variation of Korean Soybean [Glycine max (L.) Merrill] Varieties based on Leaf-Related Characters. Journal of the Faculty of Agriculture, 65, 15-23. DOI: doi.org/10.5109/2558885

Lee, Y., Hwang, T.Y., Lee, S., Shinogi, Y., OH, T.K., & Sung, J. 2020. Nutrient–Specific Variation of C–N Metabolism in the Leaves and Roots of Bell Pepper (Capsicum annunm. L) in Response to Macronutrient Deficiency. Journal of the Faculty of Agriculture, 65, 25-34. DOI: 10.5109/2558887

Yoo, J.H., Kim, J.H., Lee, J.H., Chun, J.H., Deogratius, L., Kang, Y.G., Woo, H.N., Oh, T.K., & Kim, S.H. 2020. Effect of organic fertilizer mixed with dehydrated food waste powder on growth of leaf lettuce. Korean Journal of Agricultural Science, 47, 1021-1027. DOI: 10.7744/kjoas.20200085

Jeon, Y.J., Hwang, H.C., Eun, J.A., Jung, S., & Oh, T.K. 2020. Effect of application of coffee sludge and dried food waste powder on the growth Peucedanum japonicum Thunberg. Korean Journal of Agricultural Science, 47, 193-204. DOI: 10.7744/kjoas.20200011

Kim, K.H., Lee, J.H., Park, C.H., & Oh, T.K. 2020. Incubation of Scenedesmus quadricauda based on food waste compost. Korean Journal of Agricultural Science, 47, 1039-1048. DOI: 10.7744/kjoas.20200087

Park, S.J., Lee, C.W., Kim, S.H., & Oh, T.K. 2020. Digital mapping of soil carbon stock in Jeolla province using cubist model. Korean Journal of Agricultural Science, 47, 1097-1107. DOI: 10.7744/kjoas.20200092

Kim, B.R., Lee, J.H., Kim, S.H., Choi, H.Y., Choi, B.S., Oh, T.K., & Lee, C.H. 2020. Production of liquid fertilizer from broken eggs and evaluation of its effect on lettuce growth. Korean Journal of Agricultural Science, 47, 11-18. DOI: 10.7744/kjoas.20190077

Lee, J.H., Kang, Y.G., Luyima, D., Park, S.J., Oh, T.K., & Lee, C.H. 2020. Characteristics of food waste: Water and salinity contents. Korean Journal of Agricultural Science, 47, 375-380. DOI: 10.7744/kjoas.202000027

Park, S.Y., Choi, H.Y., Kang, Y.G., Park, S.J., Luyima, D., Lee, J.H., & Oh, T.K. 2020. Evaluation of ammonia (NH3) emissions from soil amended with rice hull biochar. Korean Journal of Agricultural Science, 47, 1049-1056. DOI: 10.7744/kjoas.20200088

Park, S.J., Lee, C.W., Kim, S.H., & Oh, T.K. 2020. Analysis of land use change for advancing national greenhouse gas inventory using land cover map: focus on Sejong City. Korean Journal of Agricultural Science, 47, 933-940. DOI: 10.7744/kjoas.20200077

Lee, H.H., Heo, D.Y., Han, H.R., Park, Y.L., Ruangcharus, C., Kim, S.U., Seo, D.C., Oh, T.K., & Hong, C.O. 2019. Evaluation of the effects of mandarin (Citrus reticulate) by-products containing citric acid on immobilization of cadmium in arable soils. Applied Biological Chemistry, 62, 45. DOI: 10.1186/s13765-019-0452-2

Song, H.J., Lee, J.H., Jeong, H.C., Choi, E.J., Oh, T.K., Hong, C.O., & Kim, P.J. 2019. Effect of straw incorporation on methane emission in rice paddy: conversion factor and smart straw management. Applied Biological Chemistry, 62(1), 70. DOI: 10.1186/s13765-019-0476-7

Lee, C.H., Park, S.J., Hwang, H.Y., Kim, M.S., Jung, H.I., Luyima, D., Suk, Y.H., Oh, T.K., & Kim, S.H. 2019. Effects of food waste compost on the shift of microbial community in water saturated and unsaturated soil condition. Applied Biological Chemistry, 62, 36. DOI: 10.1186/s13765-019-0445-1

Luyima, D., Lee, J.H., Kim, S.H., Shinogi, Y., Balikuddembe, B., TUMUHAIRWE, B., & Oh, T.K. 2019. Efficiencies of a Commercial Microbial Inoculant and Poultry Litter in Composting Dry Maize Stovers. Journal of the Faculty of Agriculture, 64, 205-211. DOI: 10.5109/2339104

Luyima, D., Jeong, H.C., Lee, J.H., Kim, S.H., Shinogi, Y., Lee, C.H., & Oh, T.K. 2019. Effects of straw incorporation time on rice yield and methane emissions from sandy loam paddy fields. Journal of the Faculty of Agriculture, 64, 213-218. DOI: 10.5109/2339106

Luyima, D., Lee, J.H., Yoo, J.H., Kim, S.H., Shinogi, Y., Sung, J., & Oh, T.K. 2019. Post–Pyrolysis Nutrient Enhancement of Wood Biochar with Compost and Uncharred Wastes–Influence on Soil Chemical Properties and Crop Productivity. Journal of the Faculty of Agriculture, 64, 199-204. DOI: 10.5109/2339103

Kim, S.H., Luyima, D., Kim, J.H., Lee, J.H., Shinogi, Y., Lee, C.H., & Oh, T.K. 2019. Methane emissions from sandy clay loam paddy soils under different rice straw management strategies. Journal of the Faculty of Agriculture, 64, 219-224. DOI: 10.5109/2339108

Lee, J.H., Luyima, D., Lee, J.Y., Kim, S.J., Son, M.K., Yoon, C.W., Choi, Y.J., Choi, H.Y., Shinogi, Y., Park, K.W., & Oh, T.K. 2019. Effects of two biochar–based organic amendments on soil chemical properties and productivity of selected vegetables. Journal of the Faculty of Agriculture, 64, 39-46. DOI: 10.5109/2231632

Luyima, D., Lee, J.H., An, J.Y., Kwon, O.S., Park, S.Y., Lee, S.J., PARK, S.Y., Shinogi, Y., Park, K.W., & Oh, T.K. 2019. Impact of synchronizing the application of different biochar organic fertilisers with NPK on soil chemical properties and growth of leek (Allium ampeloprasum). Journal of the Faculty of Agriculture, Kyushu University, 64(1), 47-53. Journal of the Faculty of Agriculture, 64, 47-53. DOI: 10.5109/2231633

Choi, E.J., Kim, G.Y., Lee, S.I., Jeong, H.C., Lee, J.S., Gwon, H.S., & Oh, T.K. 2019. Estimation of nitrous oxide emission from different livestock manure composts applied to cropland. Journal of Climate Change Research, 10, 325-332. DOI: 10.15531/ksccr.2019.10.4.325

Choi, E.J., Jeong, H.C., Kim, G.Y., Lee, S.I., Gwon, H.S., Lee, J.S., & Oh, T.K. 2019. Assessment of methane emission with application of rice straw in a paddy field. Korean Journal of Agricultural Science, 46, 857-868. DOI: 10.7744/kjoas.20190069

Lee, J.H., Luyima, D., Ahn, J.Y., Park, S.Y., Choi, B.S., Oh, T.K., & Lee, C.H. 2019. Effect of different biochar formulations on the growth of cherry tomatoes. Korean Journal of Agricultural Science, 46, 931-939. DOI: 10.7744/kjoas.20190075

Lee, J.H., Yeom, K.R., Yang, J.W., Choi, Y.J., Hwang, H.C., Jeon, Y.J., Lee, C.H., Oh, T.K., & Park, S.J. 2019. Comparing the composting characteristics of food waste supplemented with various bulking agents. Korean Journal of Agricultural Science, 46, 897-905. DOI: 10.7744/kjoas.20190072

Kim, Y.X., Kim, T.J., Lee, Y., Lee, S., Lee, D., Oh, T.K., & Sung, J. 2018. Metabolite profiling and mineral nutrient analysis from the leaves and roots of bell pepper (Capsicum annuum L. var. angulosum) grown under macronutrient mineral deficiency. Applied Biological Chemistry, 61, 661-671. DOI: 10.1007/s13765-018-0395-z

Kim, E.Y., Hong, Y.K., Lee, C.H., Oh, T.K., & Kim, S.C. 2018. Effect of organic compost manufactured with vegetable waste on nutrient supply and phytotoxicity. Applied Biological Chemistry, 61, 509-521. DOI: 10.1007/s13765-018-0386-0

Kim, S.H., Lee, J.H., Lim, J.S., Shinogi, Y., Lee, C.H., & Oh, T.K. 2018. Effects of rice straw application on methane emission from rice paddy fields. Journal of the Faculty of Agriculture, 63, 387-392. DOI: 10.5109/1955658

Le, T.H., Jia, W.Q., Won, O.J., Oh, T.K., Shinogi, Y., Park, K.W., & Lee, J.J. 2018. Weed control efficacy of sorghum shoot extract extracted with various solvents. Journal of the Faculty of Agriculture, 63, 399-404. DOI: 10.5109/1955661

Kim, S.H., Lee, J.H., Lim, J.S., Shinogi, Y., Lee, C.H., & Oh T.K. 2018. Comparison of methane emissions on soil texture in Korean paddy fields. Journal of the Faculty of Agriculture, 63, 393-397. DOI: 10.5109/1955660

Lee, J.H., Sung, J., Kim, S.H., Lee, H.C., Lee, Y.K., Lim, J.S., Yoo, J.H., Kim, J.H., Park, J.H., Shinogi, Y., & Oh, T.K. (2018). Effect of Bead–form Biochar as Soil Amendment. Journal of the Faculty of Agriculture, 63, 405-409. DOI: 10.5109/1955662

Rahman, M.H., Bir, M.S.H., Islam, M.M., Ali, M., Mazumder, M.N.N., Nain, J., Islam M.S., Islam, M.R., Oh, T.K., & Park, K.W. 2018. Impact of short duration and high yielding aman rice varieties in Manga areas of Bangladesh. Bioscience Research, 15, 513-517.

Bir, M.S.H., Haider, M.R., Haque, M.M., Islam, M.S., Oh, T.K., & Park, K.W. 2018. Impact and adaptation strategies of climate change in agricultural extension system in Bangladesh. Bioscience Research, 15, 357-368.

Le, T.H., Oh, T.K., Won, O.J., Shinogi, Y., Lee, J.J., Park, K.W., & CHUNG, J.S. 2018. Allelopathic suppression of Sorghum bicolor (L.) moench shoot extracts on weed germination and on weeds treated by foliar application. Journal of the Faculty of Agriculture, 63, 21-25. DOI: 10.5109/1909898

Noh, J., Lee, J., Shinogi, Y., & Oh, T.K. 2018. Simulating daily runoff in hydrologic standard basin considering agricultural reservoir operation. Journal of the Faculty of Agriculture, 63, 119-130. DOI: 10.5109/1911210

SONG, H.J., LEE, J.H., Kim, S.H., LEE, H.C., Shinogi, Y., & Oh, T.K. 2018. Effect of Biochar derived from Coffee sludge on growth of Chinese cabbage (Brassica campestris l. Ssp. pekinensis) in field soil and bed soil. Journal of the Faculty of Agriculture, 63, 131-137. DOI: 10.5109/1911212

Lee, C.H., Kim, S.C., Kim, M.S., Park, S.J., Yun, S.G., Kim, Y.H., & Oh, T.K. 2018. Changes of Soil Organic Carbon in Forest and Arable Soil Under Different Altitude Levels. Korean Journal of Soil Science and Fertilizer, 51, 180-188. DOI: 10.7745/KJSSF.2018.51.3.180

Lee, J.H., Seong, C.J., Kang, S.S., Lee, H.C., Kim, S.H., Lim, J.S., Kim, J.H., Yoo, J.H., Park, J.H. & Oh, T.K. 2018. Effect of different types of biochar on the growth of Chinese cabbage (Brassica chinensis). Korean Journal of Agricultural Science, 45, 197-203. DOI: 10.7744/kjoas.20180033

Noh, J., An, H., Shinogi, Y., Oh, T.K., & Lee, J. 2017. Comparing water quantity between Korean and Japanese river. Journal of the Faculty of Agriculture, 62, 493-502. DOI: 10.5109/1854025

Kim, Y.C., Kim, J.U., Lee, J.W., Jo, I.H., Bang, K.H., Kim, D.H., Hyun, D.Y., Oh, T.K., Shinogi, Y., & Lee, C. 2017. The classification of the morphological characteristics of aerial vegetative tissues in a large germplasm collection of Korean ginseng (Panax sp.). Journal of the Faculty of Agriculture, 62, 69-74. DOI: 10.5109/1799304

Won, O.J., Eom, M.Y., Kim, Y.T., Bir, M.S.H., Park, T.S., Uddin, M.R., Oh, T.K., Shinogi, Y., & Park, K.W. 2017. Growth response of rice and paddy weeds under elevated temperatures. Journal of the Faculty of Agriculture, 62, 63-67. DOI: 10.5109/1799303

Jia, W., Hwang, K.S., Won, O.J., Oh, T.K., Shinogi, Y., & Park, K.W. 2017. Occurrence of weed species in pear orchards in Chungnam province of Korea. Journal of the Faculty of Agriculture, 62, 75-80. DOI: /10.5109/1799305

Lee, C.H., Kim, H.N., Kim, S.C., Kim, S.C., Sung, J., Shinogi, Y., & Oh, T.K. 2017. Study on patent trends for food waste recycling technology. Journal of the Faculty of Agriculture, 62, 115-122. DOI: 10.5109/1800845

Lee, C.H., Ko, K.K., Kim, S.C., Kim, S.C., Sung, J., Shinogi, Y., & Oh, T.K. 2017. Characteristics of food waste composting with various particle sizes of sawdust. Journal of the Faculty of Agriculture, 62, 123-129. DOI: 10.5109/1800846

Sung, J., Yun, H., Cho, M., Lim, J., Lee, S., Lee, D., & Oh, T.K. 2017. Tissue-specific response of primary metabolites in tomato plants affected by different K nutrition status. Plant Omics, 10, 37-44. DOI: 10.3316/INFORMIT.721075798481017

Lee, C.H., Kim, S.C., Park, S.J., Kim, M.S., & Oh, T.K. 2017. Effects of animal waste addition on food waste compost under co-composting. Korean Journal of Soil Science and Fertilizer, 50, 622-633. DOI: 10.7745/KJSSF.2017.50.6.623

Oh, T.K., Lee, J.H., Kim, S.H., & Lee, H.C. 2017. Effect of biochar application on growth of Chinese cabbage (Brassica chinensis). Korean Journal of Agricultural Science, 44, 359-365. DOI: 10.7744/kjoas.20170039

Choi, E.J., Lee, J.H., Jeong, H.C., Kim, S.H., Lim, J.S., Lee, D.K., & Oh, T.K. 2017. Analysis of research trends in methane emissions from rice paddies in Korea. Korean Journal of Agricultural Science, 44, 463-476. DOI: 10.7744/kjoas.20170055

Lee, C.H., Nam, H.S., Kim, S.C., Park, S.J., Kim, M.S., Kim, S.C., & Oh, T.K. 2017. Effects of earthworm cast addition on food waste compost under co-composting with sawdust. Korean Journal of Soil Science and Fertilizer, 50, 588-597. DOI: 10.7745/KJSSF.2017.50.6.588

Won, O.J., Kim, Y.T., Choi, J.S., Oh, T.K., Shinogi, Y., & Park, K.W. 2016. Herbicidal activity and mode of action of Streptomyces scopuliridis metabolites. Journal of the Faculty of Agriculture, 61, 47-51. DOI: 10.5109/1564081

Sung, J., Cho, M., Sonn, Y., Yun, H., Kang, S., Shinogi, Y., & Oh, T.K. 2016. Mineral uptake and soluble carbohydrates of lettuce: Effects of air temperatures and mineral supply levels. Journal of the Faculty of Agriculture, 61, 41-46. DOI: 10.5109/1564080

Kim, E.Y., Kook, S.W., Oh, T.K., Lee, C.H., Ko, B.G., Kim, S.C., & Kim, S.C. 2016. Evaluating Feasibility of Producing Fermented Organic Fertilizer with Vegetable Waste. Korean Journal of Soil Science and Fertilizer, 49, 760-767. DOI: 10.7745/KJSSF.2016.49.6.760

Lee, C.H., Ko, B.G., Kim, M.S., Park, S.J., Yun, S.G., & Oh, T.K. 2016. Effect of food waste compost on crop productivity and soil chemical properties under rice and pepper cultivation. Korean Journal of Soil Science and Fertilizer, 49, 682-688. DOI: 10.7745/KJSSF.2016.49.6.682

Sung, J., Sonn, Y., Lee, Y., Kang, S., Ha, S., Krishnan, H.B., & Oh, T.K. 2015. Compositional changes of selected amino acids, organic acids, and soluble sugars in the xylem sap of N, P, or K‐deficient tomato plants. Journal of Plant Nutrition and Soil Science, 178(5), 792-797. DOI: 10.1002/jpln.201500071

Oh, T.K., Uddin, M.R., Lee, J.J., Shinogi, Y., & Park, K.W. 2015. Herbicidal selectivity and mode of action of EK–2612 in rice and barnyardgrass. Journal of the Faculty of Agriculture, 60, 281-284. DOI: 10.5109/1526338

Han, S.M., Oh, T.K., Uddin, M.R., Shinogi, Y., Lee, B., Kim, C.G., & Park, K.W. 2015. Monitoring the occurrence of genetically modified maize in Korea: A 3–year observations. Journal of the Faculty of Agriculture, 60, 285-290. DOI: 10.5109/1526339

Lee, C.H., Park, S.J., Kim, M.S., Yun, S.G., Ko, B.G., Lee, D.B., Kim, S.C., & Oh, T.K. 2015. Characteristics of compost produced in food waste processing facility. Korean Journal of Agricultural Science, 42, 177-181. DOI: 10.7744/cnujas.2015.42.3.177

Ko, B.G., Kim, M.S., Park, S.J., Yun, S.G., Oh, T.K., & Lee, C.H. 2015. Effect of Decomposition on nitrogen dynamics in soil applied with compost and rye. Korean Journal of Soil Science and Fertilizer, 48, 648-657. DOI: 10.7745/KJSSF.2015.48.6.648

Lee, C.H., Kim, M.S., Kong, M.S., Kim, Y.H., Oh, T.K., & Kang, S.S. 2014. Determination of moisture threshold for solution sampling in different soil texture. Korean Journal of Agricultural Science, 41, 399-404. DOI: 10.7744/cnujas.2014.41.4.399

Shin, K.S., Oh, T.K., Hur, S.O., Hyun, B.G., Cho, H.J., & Sonn, Y.K. 2014. Comparison between natural and anthropogenic soils through fractal dimension analysis. Korean Journal of Agricultural Science, 41, 379-384. DOI: 10.7744/cnujas.2014.41.4.379

Hur, S.O., Sonn, Y.G., Hyun, B.K., Shin, K.S., Oh, T.K., & Kim, J.G. 2014. Verification on PTF (Pedo-Transfer Function) estimating soil water retention based on soil properties. Korean Journal of Agricultural Science, 41, 391-398. DOI: 10.7744/cnujas.2014.41.4.391

Kang, S.S., Kim, M.S., Kong, M.S., Kim, Y.H., Oh, T.K., & Lee, C.H. 2014. Effects of nitrogen fertigation on cucumber growth and nitrate in Soil under plastic film house. Korean Journal of Agricultural Science, 41, 385-390. DOI: 10.7744/cnujas.2014.41.4.385

Jeon, D.S., Oh, T.K., Park, M., Lee, D.S., Lim, Y.J., Shin, J.S., Song, S.G., Kim, S.C., Shinogi, Y., & Chung, D.Y. 2014. Reactions and behavior relevant to chemical and physical properties of various veterinary antibiotics in soil. Journal of the Faculty of Agriculture, 59, 391-397. DOI: 10.5109/1467651

Oh, T.K., Shinogi, Y., Lee, S.J., & Choi, B. 2014. Utilization of biochar impregnated with anaerobically digested slurry as slow‐release fertilizer. Journal of plant nutrition and soil science, 177, 97-103. DOI: 10.1002/jpln.201200487

Oh, T.K., Sonn, Y.K., Lee, D.S., Kim, M.S., Kim, S.C., Yun, H.B., Lee, D.B., & Lee, C.H. 2014. Nutrient Balances and Soil Properties Affected by Application of Soybean and Barley Residues. Korean Journal of Soil Science and Fertilizer, 47, 120-126. DOI: 10.7745/KJSSF.2014.47.2.120

Oh, T.K., & Shinogi, Y. 2013. Characterization of the pyrolytic solid derived from used disposable diapers. Environmental technology, 34, 3153-3160. DOI: 10.1080/09593330.2013.808240

Kim, Y.H., Kang, S.S., Kim, M.S., Kong, M.S., Choi, S.K., & Oh, T.K. 2013. Soil Organic Carbon of Soil Series from 2003 to 2010 in Korea. Korean Journal of Soil Science and Fertilizer, 46, 623-640. DOI: 10.7745/KJSSF.2013.46.6.623

Oh, T.K., Cho, M.G., Chung, J.M., Jung, H.R., Jeon, K.S., Moon, H.S., Lee, S.J., & Shinogi, Y. 2012. Effect of thinning intensity on soil nitrogen dynamics in Pinus densiflora stand. Journal of the Faculty of Agriculture, 57, 473-479. DOI: 10.5109/25208

Heo, C.M., Kim, Y.D., Oh, T.K., Min, J.Y., Hwang, J.G., Jeong, M.J., Song, H.J., Kim, H.G., Sim, S.J., Choi, M.S., Karigar, C.S., Moon, H.S., Lee, S.J., & Shinogi, Y. 2012. Rapid Selection of Polyphenol–rich Tea Trees (Camellia sinensis L.) Employing a Colorimetric Method. Journal of the Faculty of Agriculture, 57, 467-471. DOI: 10.5109/25207

Oh, T.K., Choi, B., Shinogi, Y., & Chikushi, J. 2012. Effect of pH conditions on actual and apparent fluoride adsorption by biochar in aqueous phase. Water, Air, & Soil Pollution, 223, 3729-3738. DOI: 10.1007/s11270-012-1144-2

Oh, T.K., Choi, B., Shinogi, Y., & Chikushi, J. 2012. Characterization of biochar derived from three types of biomass. Journal of the Faculty of Agriculture, 57, 61-66. DOI: 10.5109/22049

Oh, T.K., Shinogi, Y., Chikushi, J., Lee, Y.H., & Choi, B. 2012. Effect of aqueous extract of biochar on germination and seedling growth of lettuce (Lactuca sativa L.). Journal of the Faculty of Agriculture, 57, 55-60. DOI: 10.5109/22048

Gutierrez, W.M., Kim, D.G., Kim, D.H., Kim, S., Le, S.J., Kim, B.W., Hong, J.T., Yu, B.K., Kim, H.J., Oh, T.K., & Chang, H.H. 2011. Establishing criteria for a method to automatically detect the onset of parturition and dystocia in breeding pigs. Journal of the Faculty of Agriculture, 56, 57-61. DOI: 10.5109/19637

Oh, T.K., Lee, S.J., Chang, D.I., Chikushi, J., & Hong–Hee, C. 2011. The effects of noise and vibration generated by mechanized equipment in laying hen houses on productivity. Journal of the Faculty of Agriculture, 56, 271-277. DOI: 10.5109/20320

Oh, T.K., Nakaji, K., Chikushi, J., & Park, S.G. 2010. Effects of the application of water treatment sludge on growth of Lettuce (Lactuca sativa L.) and changes in soil properties. Journal of the Faculty of Agriculture, 55, 15-20. DOI: 10.5109/17795

Oh, T.K., & Chikushi, J. 2010. Fluoride adsorption on water treatment sludge processed by polyaluminium chloride. Journal of Food, Agriculture & Environment, 8, 358-362. DOI: 10.5555/20103048664

Oh, T.K., Chikushi, J., & Saeki, K. 2009. The adsorption of hydrogen fluoride and fluoride ion on a water treatment sludge. Journal of the Faculty of Agriculture, 54, 205-208. DOI: 10.5109/14061

OH, T.K., & SAEKI, K. 2009. Fluoride removal by a variety of minerals in aqueous phase. Clay Science, 14, 111-116. DOI: 10.11362/jcssjclayscience.14.3_111

Miyamoto, H., Chikushi, J., & Oh, T.K. 2008. Measurement of water level, electrical conductivity, and sediment surface level using time domain reflectometry. Soil Physical Conditions and Plant Growth, 108, 37-45.

Cho, H.S., Kim, C.G., Seo, J.H., Lee, J.K., Eom, S.P., & Oh, T.K. 2005. Effect of liquid pig manure on yield and grain quality of rice and barley under double cropping systems in paddy field. Korean Journal of Crop Science, 50, 99-103.