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http://dx.doi.org/10.5142/JGR.2004.28.4.201

Effect of Several Application Methods of Yakto on Growth Status of Aerial Parts in Ginseng Seedlings  

Lee, Sung-Sik (KT&G Central Research Institute)
Cheon, Seong-Ki (KT&G Central Research Institute)
Lee, Tae-Su (KT&G Central Research Institute)
Yoon, Jong-Hyuk (KT&G Central Research Institute)
Park, Hyeon-Suk (KT&G Central Research Institute)
Shin, Seong-Lyon (Joongbu University)
Choi, Kwang-Tae (KISTI)
Lee, Gab-Soo (Youngju Agricultural Technology Extension Center)
Ju, Seong-Don (Youngju Agricultural Technology Extension Center)
Chung, Jae-Dong (Department of Horticulture, College of Agriculture & Life Science, Kyungpook National University)
Publication Information
Journal of Ginseng Research / v.28, no.4, 2004 , pp. 201-206 More about this Journal
Abstract
This experiment was conducted to determine the economic application method of Yakto among 6 application method : amount of Yakto application $3\;plot(70\;l,\;25.5\;l,\;13,3\;l/kan;\;180cm{\times}90cm),$ and added side dressing(3 l/kan) each plot. The reduced amoumt of Yakto application(25.5 l, 13.3 l/kan) were lower the contents of inorganic nitrogen, $P_{2}O_{5},\;K,\;Ca$ and Mg, but similar pH in bed soil compared with standard Yakto application(70 l/kan). Side dressing applicated on 29 May increased the contents of inorganic nitrogen, $P_{2}O_{5},\;K,\;Ca,\;Mg$ and salt concentration in bed soil compared with non­side dressing in each Yakto application plot(70 l, 25.5 l, 13,3 l/kan). The reduced amoumt of Yakto application(25.5 l/kan) added side dressing(3 l/kan) were similar the contents of inorganic nitrogen, K, Mg and salt but lower $P_{2}O_{5}$ and Ca in bed soil compared with standard Yakto application(70 l/kan) in June. The reduced amoumt of Yakto application(25,5 l/Kan) added side dressing(3 l/kan) was similar the contents of P, K, Ca and Mg but lower N in leaves compared with standard Yakto application(70 l/kan). The reduced amoumt of Yakto application(25.5 l/kan) added side dressing(3 l/kan) was shorter stem length, and higher $5{\%}$ chlorosis of leaf tip, but similar emergence ratio, survival ratio, leaf senescence ratio, chlorophyll, stem diameter and leaf area compared with standard Yakto application(70 l/kan). These suggested that 25.5 l Yakto application added side dressing(3 l/kan) per kan might be possible economical application method of Yakto.
Keywords
Yakto; standard yakto application; economic application method of yakto; compost; side dressing; inorganic nitrogen;
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