Hussain, C. A., Said, M. M., & Shyja, M. A. (1964). Some spacing and manurial studies in seed production of Japanese radish(R. sativus). West Pakistan Journal of Agricultural Research, 2, 77-80.
Kim, D. H., Park, C. B., & Kim, J. Y. (2010). Effect of propagation method, planting density, amount of nitrogen fertilizer and cropping years on growth and yield of Asparagus cochinchinensis(Lour.) Merr. Korean Journal of Medicinal Crop Science, 18(2), 93-97.
Kim, Y. G., Yeo, J. H., Han, S. H., Hur, M., Lee, Y. S., & Park, C. B. (2013). Characteristics of growth and yield by planting density and mulching materials in Salvia miltiorrhiza Bunge. Korean Journal of Medicinal Crop Science, 21(3), 179-183.
Ko, S. B., Kim, S. B., Kim, J. S., Ko, T. S., Kim, Y. H., & Kang, S. K. (2012). Growth response of Danji Radish by planting density in Jeju. Korean Journal of Horticultural Science & Technology, 30 (Sp. II), 62.
Lee, S. S. (1985). Status of varietal improvement and approaches for progress of seed industry in vegetables in Korea. Korean Journal of Breeding, 17(3), 253-262.
Lund, E. K., Smith, T. K., Clarke, R. G., & Johnson, I. T. (2001). Cell death in the colorectal cancer cell line HT29 in response to glucosinolate metabolites. Journal of the Science of Food and Agriculture, 81(9), 959-961.
Marcelis, L. F. M., Heuvelink, E., & Van Dijk, D. (1997). Pithiness and growth of radish tubers as affected by irradiance and plant density. Annals of Botany, 79(4), 397-402.
Nam, H. H., Lee, H. S., Woo, J. H., & Han, Y. Y. (2009). Growth and Yield Response as Affected by Planting Density in Nelumbo nucifera. Korean Journal of Horticultural Science and Technology, 27(Sp. I). 52.
Oh, I. S., Park, W. K., Joo, K. N., & Kang, C. H. (1998). Standardization of mechanized cultivated models for radish and Chinese cabbage. Korean Society for Agricultural Machinery, 3(2). 83-91.
Park, K. W. & Fritz, D. (1990). Influence of growing season, harvesting time, fertilization and soil moisture on pithiness in radish [Raphanus sativius L. var. niger (Mill)]. Korean Journal of Horticultural Science, 31(1), 1-6.
Rahman, M. T., Hossain, A. K. M. A., & Rashid, M. A. (1990). Yield and quality of radish seed as affected by time of sowing and spacing. Tropical Agricultural Research, 2. 55-67.
Shin, J. S., Shin, J. S., Hyan, K. H. & Kwon, B. S. (2002). Effects of row width and plant spacing within row on yield in Scutellaria baicalensis George. Korean Journal of Plant Resources, 15(1), 77-80.
Song, I. G., Ho, Q. S., Hwang, S. G., Yun, J. S., Choi, I. S., Lee, C. H., & Lee, J. K. (1997). Effects of planting data and planting density on growth and tuber yield of yacon in the middle region. The Plant Resources Society of Korea, 10(1), 17-23.