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유기물 종류에 따른 더덕 근의 일반성분과 정유성분 (精油成分) 변화
이승필(Seong Phil Lee),김상국(Sang Kuk Kim),최부술(Boo Sull Choi),이상철(Sang Chul Lee),여수갑(Soo Kab Yeo) 한국약용작물학회 1998 한국약용작물학회지 Vol.6 No.1
This experiment was conducted to increase aromatics in roots of Condonopsis lanceolata by applications of organic matters. Fresh root wt. was increased by conifer/moss application to 79.1g per plant. Crude protein content was also higher at rice straw application than native soil application and crude saponin content was increased by conifer/moss application, but contents of crude fat, fiber and ash were not different in all treatments. Although contents of K, Ca, and Mg were increased by rice straw application, Fe, Mn. Zn, Na and Cu were not significantly different in all treatments. The highest free amino acid was arginine, it was increased by the application of fallen leaves and the highest yield (0.008%) of essential oils was obtained by conifer/moss applicatian. As a result, to produce C. lanceolata plant showing higher quality and aromatic essential oils, it was considered that the most effective organic matter showing high yield and higher aromatic constituents was conifer/moss application of over 3M/T per 10a.
최장수,안덕종,최충돈,이승필,최부술 한국농림기상학회 2000 한국농림기상학회지 Vol.2 No.4
The typhoon and flooding injury in rice were investigated both the region of downpour at the middle of August and the region of typhoon "Yanni" at the late of September, 1998 in Kyongbuk provincial of Korea. More than 10% of rice stem were buried by soil inundation, the heading was delayed and the high node tiller was brought out. Yield components were deteriorated and yield was reduced. As the clay in the muddy water was attached on grains of rice, the yield was greatly reduced by reason of low grain filling ratio and polished rice ratio. The injury of muddy water was less at yellow ripening stage than at early ripening stage. On the other hand, the muddy water injury was reduced by the fungicide "Benomyl" and "Daconil" treatments. The degree of lodging according to varieties and ripening stages was not made a great difference, while the lodging was mainly occurred in the early transplanting time. In a week after lodging, viviparous spikes were occurred in almost all varieties, the degree of viviparity was shown highly in order of early maturing, middle maturing and late maturing varieties in the field as well as in laboratory test. The viviperous spikes were greatly occurred in the lodging toward hill space within row than row space because the more grains were touched on the ground.