http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
부상형 직파육묘방법에서 cell 크기에 따른 dibbling의 깊이가 담배 묘 생육에 미치는 영향
김영신,신주식,백기현,배길관 충북대학교 엽연초연구소 2001 煙草硏究 Vol.18 No.-
The objects of this study were to search ideal dibbling depth and cell size in direct-seeding improved float system. Percentage of dry cell was high in dibbling depth of 0.0mm and 7.5mm in every cell size. Dibbling treatment increased the seed germination rate. Germination power of the 128 cell was high in dibbling depth of 15.0mm or more, and that of the 162 cell and 200 cell was high in the depth of 12.5mm or more. Rate of usable plant of the 128 cell was high in dibbling depth of 15.0mm, and that of the 162 cell and 200 cell was high in the depth of 12.5mm. Compaction and low oxygen levels of media by deeper dibbling depth contribute significantly to spiral root. According to the interacting results of the treatments, dibbling depth of 15mm in 128 cell and that of 12.5mm in 162 cell and 200 cell were recommended to get high seed germination rate and good seedling growth.
김유진,윤종현,백기현,김양리,유진홍,신완식,강문원 대한화학요법학회 1995 대한화학요법학회지 Vol.13 No.1
We examined the trends of current antibiotic usages in Korea by using two parameters; the cost of production, and the amount of antibiotics produced. In 1993, the cost of production was 693 billion won, which was 5.3 times that of the 1981 figure, but the increment rate of the cost has slowed down since the early 1990s. The most popular antibiotics produced were cephalosporins, penicillins, and aminoglycosides. In 1993, 270.5 billion won, 125.9 billion won, and 77.0 billion won were spent to produce these antibiotics respectively. The amount of antibiotics produced in the year 1993 was 333.2 ton of penicillins, 69.3 ton of cephalosporins, and 19.2 ton of aminoglycosides. There seems to be a noticeable increase in the production of cephalosporins, macrolides, and quinolones, but a decrease in the production of chloramphenicol and sulfonamides, In recent years, the production of newer druge such as imipenem and aarumonam has increased remarkably. There seems to be no remarkable change in the use of major antibiotics; penicillins, cephalosporins, and aminoglycosides still remain to be the most commonly used antibiotics, but the newer and more expensive antibiotics are becoming more popular.
Float System 育苗法에 있어서 培養液 濃度 및 Cell 크기가 담배 生育에 미치는 影響
金榮信,申周植,白奇鉉,裵吉寬 충북대학교 엽연초연구소 1997 煙草硏究 Vol.16 No.-
This study was conducted to investigate the effects of fertilizer rates and cell size on the growth of flue-cured tobacco seedlings at Float system. The results are summarized as follows: 1.Leaf area, dry weight of shoot and root, root length, stem length and top/root ratio of floated plants were generally larger than those of over-head watered plants. 2.The growth of tobacco seedlings was good in 100~200 ppm/N plot. Poor growth of seedlings were shown in 50ppm/N and too big seedlings to transplant were produced in 300ppm/N. 3.Leaf area, dry weight of top, stem length, root length and top/root ratio were larger in the seedlings grown in the large cell than in the small cell. 4.The growing characters of tobacco in field performance were not affected by different methods of growing seedlings.