Effect of Planting Date, Plant Spacing, and Harvest Time on the Production of Small-sized Sweetpotato in the Alpine Zone of Korea
2006
Kim, H.S. (Mokpo Experiment Station, NICS, RDA, Muan, Republic of Korea), E-mail: [email protected] | Moon, Y.H. (Mokpo Experiment Station, NICS, RDA, Muan, Republic of Korea) | Chung, M.N. (Rural Development Administration, Suwon, Republic of Korea) | Ahn, Y.S. (National Institute of Crop Science, RDA, Suwon, Republic of Korea) | Lee, J.S. (Mokpo Experiment Station, NICS, RDA, Muan, Republic of Korea) | Bang, J.K. (Mokpo Experiment Station, NICS, RDA, Muan, Republic of Korea)
The optimum planting date, plant spacing, and harvest time for production of small-sized sweetpotato was evaluated in 2003 to 2004 at the Mokpo Experiment Station. Small-sized sweetpotato is important as snack food in Korea. Optimum planting date and plant spacing were with plastic mulch, and mid-April and 75×15~20 cm respectively, mid-June and 75×15 cm respectively without plastic mulch. Storage root yield decreased with early harvest, but the ratio of small-sized sweetpotato was higher in plots harvested after 100 days of planting (DAP) than that of 80 or 120 DAP.
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