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KMID : 1098420040120030226
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Korean Journal of Medicinal Crop Science
2004 Volume.12 No. 3 p.226 ~ p.230
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Growth and Yield of Atractylodes japonica Koidz. Affected by Mulching Methods
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Park Jeong-Min
Kang Jin-Ho
Jeong Eun-Ho
Song Geun-Woo
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Abstract
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Plant growth should be affected by mulching method. The study was done to examine the effect of different mulching methods on growth and yield of Atractylodes japonica Koidz. The experiment was done by six different mulching methods; no mulching, rice straw, transparent polyethylene (PE), black PE, two combined treatments of rice hull and transparent PE or black PE. Green shoot and related characters, growth and yield of early and late stages were measured on May 8, June 8 and October 26, respectively. Green shoot fresh weight was the highest in transparent PE mulching, while number of leaves, shoot and stem lengths were the greatest in rice straw mulching of the methods. In its early stage, rice straw mulching had the fewest number of leaves, roots, stems, the smallest width of leaves, and the least fresh weights of shoots and rhizomes. Combined mulching of black PE and rice hull showed the highest values in root-related characters; number of roots, fresh weights of rhizomes and roots. In its late stage, the treatment effects shown in the early stage disappeared owing to high temperature of mid-summer so that there was no significant difference between the mulching treatments. Yield per unit area and marketable yield were the highest in rice straw mulching, and combined mulching of black PE and rice hull.
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KEYWORD
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Atractylodes japonica Koidz., mulching methods, green shoot, growth, rhizome yield
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