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KMID : 1098419930010020097
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Korean Journal of Medicinal Crop Science
1993 Volume.1 No. 2 p.97 ~ p.103
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Effects of Crown Diameter and Nitrogen Topdressing on Growth and Yield of Angelica gigas NAKAI
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이승택/Lee, Seoung Tack
유홍섭/박춘근/정규복/Yu, Hong Seob/Park, Chun Geon/Yeon, Kyu Bok
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Abstract
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Relationships between crown diameter divided into the small(0.3∼0.5cm), the medium(0.5∼0.7cm) and the large seedling(0.7∼0.9cm) by the size of crown diameter of Angelica gigas and topdressed nitrogen level of 0, 50, 70 and 100% were conducted to study on growth and yield of two year-planted A. gigas in Suwon. The larger of the crown diameter, the better of the dry weight of leaf and root of A. gigas. Growth of the plane was rapidly increased on June and August, but slowly increased on July and that of root was increased until October while decreasing the aerial stem growth from September. Lower top dressed nitrogen level in the larger seeding was greatly increased the bolting rate compared to the medium or small seedlings. Yields of dried root weight per 10a were 441kg for the large, 373kg for the medium, and 378kg for the small seedling, and weight of the higher nitrogen per 10a were more increased than that of the lower dressed nitrogen treatment.
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