ASO Rika, ITO Daisuke, FUKUNAGA Kenji, TACHIBANA Ryuichi. Invasion of collebola to the growth base which mixed organic material recycling system. Journal of the Japanese Society of Revegetation Technology. 2011. 37. 1. 207-210
NAKAMURA Hanako, SHINOZAKI Takaya, FUKUNAGA Kenji. Seeds variety and germination of native deciduous tree seeds gathered in southern slope of Mt. Fuji for 6 years. - for utilization of various locality-certified seed. Journal of the Japanese Society of Revegetation Technology. 2011. 37. 1. 127-130
MASATUKI Koji, FUKUNAGA Kenji, TACHIBANA Ryuichi. Effect on air pruning of the pot bottom provides th root system growth of the seedling. Journal of the Japanese Society of Revegetation Technology. 2011. 37. 1. 143-146
TACHIBANA Ryuichi, NAKAMURA Hanako, FUKUNAGA Kenji. Percentage germination of native deciduous tree collected from each region in Japan. Journal of the Japanese Society of Revegetation Technology. 2010. 36. 1. 95-98