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Relation between Growth Condition of Six Upland-Crops and Soil Salinity in Reclaimed Land  

Lee, Seung-Heon (Rural Research Institute, Korea Agricultural and Rural Infrastructure Corporation)
Hong, Byeong-Deok (Rural Research Institute, Korea Agricultural and Rural Infrastructure Corporation)
An, Yeoul (Rural Research Institute, Korea Agricultural and Rural Infrastructure Corporation)
Ro, Hee-Myong (College of Agriculture and Life Sciences, Seoul National University)
Publication Information
Korean Journal of Soil Science and Fertilizer / v.36, no.2, 2003 , pp. 66-71 More about this Journal
Abstract
This study was carried out to obtain basic data for selecting the applicable crops in reclaimed land and to provide guidelines for the rotation between paddy and upland cropping. Field experiment was conducted with six summer crops(garland chrysanthemum, young radish, small radish, kale, lettuce, red lettuce) at Dae-Ho reclaimed experiment plots in Dangjin province. Dry weights and plant heights of harvested crops were measured and soil chemical properties were analyzed. Plant height and dry weight decreased significantly with increasing soil saturation paste extract electrical conductivity(ECe) and sodium adsorption ratio(SAR). The threshold ECe of salt inhibition for six crops was less than $1dS\;m^{-1}$ for young radish and kale, greater than $4dS\;m^{-1}$ for garland chrysanthemum, and greater than $6dS\;m^{-1}$ for small radish, lettuce, and red lettuce. At higher ECe that inhibits crop growth, with every increase in $1dS\;m^{-1}$, dry weight index decreased by 3.35 for kale, 3.92 for small radish, 3.98 for young radish, 4.66 for lettuce, 7.57 for garland chrysanthemum, and 8.45% for red lettuce, respectively. The ECe causing 50% reduction of dry weight index was $18.9dS\;m^{-1}$ for small radish, $17.3dS\;m^{-1}$ for lettuce, $15.4dS\;m^{-1}$ for kale, $12.0dS\;m^{-1}$ for red lettuce, $11.3dS\;m^{-1}$ for young radish, and $11.0dS\;m^{-1}$ for garland chrysanthemum. Among the tested 6 summer crops through field experiment and in-situ survey, kale was proved to be a favorable vegetable crop at reclaimed tidal land.
Keywords
Reclaimed land; Salinity; Electrical conductivity; Salt damage; Upland-crop;
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  • Reference
1 Rural Development Corporation. 1998. A Study on the Crop Cultivation by the improvement of Desalinization Techniques on the Reclaimed Farmland. RDC, Ansan, Korea
2 Sparks D.L., A.L. Page, P.A. Helmke, R.H. Loeppert, P.N. Soltanpour, M.A. Tabatabai, C.T. Johnston, and M.E. Sumner, 1996. Method of soil analysis. Part 3:Chemica1 Methods. ASA and SSSA, Madison, Wisconsin
3 USSL Staff. 1954. Diagnosis and improvement of saline and alkali soils. USDA. Agri. Handbook No. 60. Washington, D.C
4 Koo, J.W., J.K. Choi, and J.K. Son. 1998. Soil Properties of Reclaimed Tidelands of Western Sea Coast in Korea. J. Korean Soc. Soil Sci. Fert. 31:120-127
5 National Institute of Agricultural Science and Technology, 2000. Methods of the Soil-Plant Analysis. NIAST. Sammi Press, Suwon, Korea
6 Shin, J.S., and E.Y. Kim. 1999. Utilization of soil Resources for Maximum Production of Food Grains. p145-167. In Proceedings of Joint Symposium, Korean Society of Breeding, Korean Society of Crop Science, and Korean Society of Soil Science & Fertilizer. Suwon, Korea