Ohta, K, Makino, R, Akihiro, T, Nishijima, T. How the planting density influenced on yield, plant morphology, and physiological characteristics in the determinate 'Suzukoma' tomato?. Journal of Applied Horticulture. 2018. 20. 3-10
Ohta, K. Changes in incidence of fruit cracking, yield, number, and characteristics in cultivars of cherry tomato developed during the last 20 years. Journal of Applied Horticulture. 2017. 19. 22-28