YOSHIKAWA Seiko, YAMAMOTO Hiroshi, HANANO Yoshio, ISHIHARA Akira. Hilly-Land Soil Loss Equation (HSLE) for Evaluation of Soil Erosion Caused by the Abandonment of Agricultural Practices. Japan Agricultural Research Quarterly: JARQ. 2004. 38. 1. 21-29
花野 義雄, 井上 久義, 佐藤 泰一郎, 成岡 市. Behavior of arbuscular mycorryzal fungi in converted paddy fields under sunflower-barely cropping system on Hikawa Town in Shimane Prefecture. Miscellaneous publication of the National Agricultural Research Center for Western Region. 2011. 8. 9-24
井上 久義, 花野 義雄, 成岡 市, 佐藤 泰一郎. Countermeasure for poor drainage condition in converted paddy field under sunflower-barely cropping system. Miscellaneous publication of the National Agricultural Research Center for Western Region. 2010. 7. 1-20