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Investigation of Selenium Distribution in Highland Province of Gangwon and Effect of Sodium Selenate Treatment on the Selenium Content and Growth of Some Western Vegetables Grown by Ferigation  

Lee, Sung-Jin (HoengSeong-Gun Agricultural Technology and Extension Center)
Kang, Ho-Min (Department of Horticulture, Kangwon National University)
Kim, Il-Seop (Department of Horticulture, Kangwon National University)
Publication Information
Journal of Bio-Environment Control / v.17, no.1, 2008 , pp. 38-42 More about this Journal
Abstract
This study was conducted to investigate distribution of selenium in Gangwon highland Province and to confirm the effect of sodium selenate added nutrient solution on the selenium content of some western vegetables; beet, broccoli, cabbage lettuce, celery, and parsley. The contents of selenium were distributed from 0.024 to $0.038\;mg{\cdot}kg^{-1}$ in soil of Gangwon highland province. As the selenium content in soil increased, the selenium content in broccoli was increased in highland of Gangwon province. The selenium content of broccoli showed $10.5{\sim}17.9\;mg{\cdot}kg^{-1}DW$ 1311owe4 by celery ($6.02\;mg{\cdot}kg^{-1}DW$). Beet, cabbage lettuce, and parsley contained just about $1\;mg{\cdot}kg^{-1}DW$ in highland of Gangwon province. Some western vegetables grown by fertigation supplied $2\;mg{\cdot}L^{-1}$ sodium selenate were shown better growth and higher selenium content than those of $0\;mg{\cdot}L^{-1}$ sodium selenate supplied treatment(control). The selenium contents of western vegetables supplied $2\;mg{\cdot}L^{-1}$ sodium selenate in fertigation culture for 60 days were $76.2\;mg{\cdot}L^{-1}$ in broccoli, $69.1\;mg{\cdot}L^{-1}$ in parsley, $63.2\;mg{\cdot}L^{-1}$ in celery, $54.2\;mg{\cdot}L^{-1}$ in beet, $8.3\;mg{\cdot}L^{-1}$ in cabbage lettuce. Those selenium content of broccoli, celery, and parsley treated $2\;mg{\cdot}L^{-1}$ sodium selenate were followed the order 4.2 times, 10.5 times and 62.5 times higher in compared to control.
Keywords
beet; broccoli; cabbage lettuce; celery; parsley;
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