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KMID : 1098420090170060415
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Korean Journal of Medicinal Crop Science
2009 Volume.17 No. 6 p.415 ~ p.420
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Studies on the Application of Byproduct Composts as Substitute for Yacto in Yang-jik Nursery of Ginseng
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Kang Seung-Weon
Yeon Byeong-Yeol
Lee Sung-Woo
Hyun Dong-Yun
Bae Yeoung-Seuk
Hyeon Geun-Soo
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Abstract
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This study was carried out to select economical byproduct composts as the substitute for the traditional organic fertilizer, Yacto, in the cultivation of ginseng seedlings, and to investigate the application method of a selected compost. Among tested byproduct composts, popped rice hull compost was the best substitute for Yacto, while the application of domestic animal manure composts resulted in red skinned roots of ginseng seedlings. Optimal mixing ratio of the popped rice hull compost with virgin soil (fine sand) were 3~4 : 1 in bulk, showing the same root yield compared to that of conventional seedbed soil. When the popped rice hull compost was lower than 1 ± 0.1% in nitrogen content, the expeller cake of oil seed was added to seedbed soil to rise nitrogen content until 1 ± 0.1%.
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KEYWORD
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Panax ginseng, Byroduct Composts, Seedling, Yield, Popped Rice Hulls
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