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		Soil Properties of Wheat Cultivation Fields and Fertilizer Use Status by Farmers Journal of the Korean Society of International Agriculture :: Vol.28 No.2 pp.186-196 DOI:https://doi.org/10.12719/KSIA.2016.28.2.186 Open abstract    
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		Survey on Present Status of Ginseng Production and Soil Characteristics in Jilin Province of China Journal of the Korean Society of International Agriculture :: Vol.27 No.4 pp.428-434 DOI:https://doi.org/10.12719/KSIA.2015.27.4.428 Open abstract    






