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Plyometric Training과 비타민 C 투여가 남고생의 체력, 혈중 젖산, 암모니아 및 젖산탈수소효소에 미치는 영향
장준원,김세종,이현미,서혜림,조현숙,고정림,염종우,예정복,백영호 釜山大學校 附設 體育科學硏究所 2003 體育科學硏究所 論文集 Vol.19 No.-
The purpose of this was to examine the effect of plyometric training and vitamin C ingestion on physical fitness and fatigue substance....
Seo, Myung-Chul,Cho, Hyeon-Suk,Seong, Ki-Yeong,Kim, Min-Tae,Park, Tae-Seon,Kang, Hang-Won,Shin, Kook-Sik 한국토양비료학회 2013 한국토양비료학회지 Vol.46 No.6
In order to evaluate drought risk at upland according to climate change scenario (RCP8.5), we have carried out the simulation using agricultural water balance estimation model, called AFKAE0.5, at 66 weather station sites in 2020, 2046, 2050, 2084, and 2090. Total Drought Risk Index between the first month (f) and last month (l) (TDRI(f/l)) and maximum continuous drought risk index (MCDRI(f/l)) were defined as the index for analyzing pattern and strength of drought simulated by the model. Based on distribution maps of MCDRI (1/12), drought strength was predicted to be most severe in 2084 for all regions. Some regions showed severe risk of drought meaning over 20 days of MCDRI (1/12) in the other years, while MCDRI (1/12) in other regions did not reach 5 days. Even though maximum value of TDRI (1/12) in 2090 was greater than in 2050, more severe drought risk in 2050 than in 2090 was predicted based on MCDRI (4/6). It implies that drought risk should be assessed for each crop with its own growing season.
Seo, Myung-Chul,Seong, Ki-Yeong,Cho, Hyeon-Suk,Kim, Min-Tae,Park, Tae-Seon,Kang, Hang-Won 한국토양비료학회 2014 한국토양비료학회지 Vol.47 No.1
In order to evaluating physiochemical properties of soil under minimum tillage and direct seeding cultivation on dry rice paddy, we conducted to analyze the soil physiochemical characteristics in treatment with 2-year minimum tillage and dry direct seeding (2MT), 3-year minimum tillage and dry direct seeding (3MT), and tillage transplanting cultivation (TT). As results of analyzing soil organic matter (OM) contents with 2 cm soil depth of interval from surface to 30 cm, OM contents with surface soil from 0 to 2MT and 3MT were higher than TT, recorded 34.6, 28.1 and $19.8gkg^{-1}$, respectively. But until 20cm in soil depth, it was not so large on the deviation of OM contents among the 3 treatments comparing with 2cm surface. Beneath 20 cm in soil depths, 2- and 3-year, OM contents in TT were distributed to be lower than 2MT and 3MT. The contents of total nitrogen in 2MT and 3MT were higher than the content in TT across the soil profile. Consequently, though minimum tillage and direct seeding farming is obviously the practice to saving of machinery work and labor, other practices such as continuously input OM should be needed to achieve carbon sequestration goal through minimum tillage and direct seeding on dry paddy.