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남정권,김상수,이준희,최원영,백남현,박홍규,최민규,권태오,Nam Jeong-Kwon,Kim Sang-Su,Lee Jun-Hee,Choi Weon-Young,Back Nam-Hyun,Park Hong-Kyu,Choi Min-Gyu,Kwon Tae-Oh 한국작물학회 2005 Korean journal of crop science Vol.50 No.suppl1
This study was carried out to elucidate the proper nitrogen application level considering rice quality in Honam plain area from 2002 to 2004 at the paddy field of Honam Agricultural Research Institute. The rice cultivars tested were Samcheonbyeo (Early maturing one), Hwaseongbyeo (Medium maturing one) and Nampyeongbyeo (Mid-late maturing one). The results are summarized as follows: The higher amount of nitrogen application resulted in greater number of panicle and grain in per unit area, but the rate of ripening and the 1,000-grain weight of brown rice decreased. The protein contents showed a tendency of increase with higher nitrogen level. The head rice yield increased by the higher nitrogen application up to 7 kg/10a for Samcheonbyeo and Hwaseongbyeo, and 9 kg/10a for Nampyeongbyeo respectively. The appropriate nitrogen application amounts, with respect to the yield of head rice, the rate of ripening and the quality of rice were found to be in range of 7 to 9 kg/10a. 호남평야지에서 고품질 쌀 생산을 위한 질소시비량을 구명하고자 $2002\~2004$년에 호남평야지인 익산에서 삼천벼, 화성벼, 남평벼를 공시하여, 질소시비량에 따른 생육, 수량구성요소, 수량 및 품질 관련형질을 조사한 결과를 요약하면 다음과 같다. 1. 단위면적당 수수와 입수는 다비할수록 많았으나, 등숙비율과 현미천립중은 다비할수록 저하되었다. 2. 백미 외관상 품위에서 완전립 비율은 질소시비량이 많을수록 낮았고, 아밀로스 함량은 질소시비량 간에 별 차이가 없었으나, 단백질 함량은 질소시비량이 증가됨에 따라 다소 높아지는 경향이었다. 3. 쌀 수량은 삼천벼와 화성벼는 질소 9kg/10a, 남평벼는 질소 11kg/10a까지, 완전미 수량은 삼천벼와 화성벼는 질소 7kg/10a, 남평벼는 질소 9kg/10a 수준까지는 증수 되었으나 그 이상의 질소시비량에서는 수량 차이가 인정되지 않았다. 4. 따라서 호남평야지에서 완전미 수량, 등숙비율, 미질 등을 고려한 10g당 적정 질소시비량은 9kg 내외로 판단된다.
남부평야지 조기재배 적응 복합내병성 고품질 조생 벼 ‘조일’
남정권(Jeong Kwon Nam),박현수(Hyun Su Park),김기영(Ki Young Kim),김보경(Bo Kyeong Kim),조영찬(Young Chan Cho),고재권(Jae Kwon Ko),백만기(Man Kee Baek),김정주(Jeong Ju Kim),김우재(Woo Jae Kim),신운철(Woon Chul Shin),고종철(Jong Cheol 한국육종학회 2018 한국육종학회지 Vol.50 No.3
‘Joil’ is a multiple disease resistant early maturing rice cultivar with high grain quality. ‘Joil’ was derived from a single cross between ‘Unbong37’ (cultivar name ‘Unmi’) and ‘HR23156-26-2-3-5’. ‘Unmi’ is an early maturing rice cultivar with high grain quality and resistance to rice blast and stripe virus. ‘HR23156-26-2-3-5’ is an early maturing elite rice line with lodging resistance and cold tolerance. ‘Joil’ was selected through the pedigree method, yield trials, and local adaptability tests. ‘Joil’ was an early maturing rice. The heading date of ‘Joil’ was July 16 in early transplanting cultivation, which was 2 days later than that of ‘Jopyeong’. ‘Joil’ was a lodging resistance rice with a short culm and showed better tolerance to viviparous germination than that of ‘Jopyeong’. ‘Joil’ was a multiple disease resistant rice with resistance against rice blast, bacterial blight, and stripe virus. ‘Joil’ showed higher yield in both early and late-transplanting cultivations than those of the standard rice cultivars ‘Jopyeong’ and ‘Geumo’. ‘Joil’ had enhanced grain quality under high temperature ripening conditions in early transplanting cultivation. The cooked rice had good grain appearance and taste attributes, and this cultivar had a higher head rice ratio than that of ‘Jopyeong’. ‘Joil’, a multiple disease resistant early maturing rice cultivar with high grain quality, would be suitable for early transplanting cultivation in the southern plain area (Registration No. 6792).
넓은 범위의 DLL을 위한 버터플라이 형태의 단위 지연 셀
남정권(Jeong-Kwon Nam),고순복(Soon-Bok Go),김대정(Daejeong Kim) 대한전자공학회 2007 대한전자공학회 학술대회 Vol.2007 No.7
This paper presents a comparator-based delay cell to be used for the voltage controlled delay line of a DLL. It has the differential operation whose waveform looks like a butterfly. Its major merit is the wide delay range according to the control-voltage change. The validity the features was proved by simulations in a 0.35㎛ CMOS process.
김대정,남정권,Kim, Dae-Jeong,Nam, Jeong-Kwon 한국전기전자학회 2009 전기전자학회논문지 Vol.13 No.1
본 논문은 고성능 이미지 센서인 CCD 시스템에서 전체 시스템의 성능을 좌우하는 아날로그 프론트 엔드(analog-front end, AFE)를 영상신호처리 유닛과 함께 SoC로써 구현한 설계에 관한 것이다. 데이터의 전송속도가 빨라짐에 따라 데이터 샘플링의 불확실성을 낮추었으며, $0{\sim}36\;dB$의 높은 이득을 가지는 지수함수적인 가변 이득단의 대역폭을 구현하기 위한 구조 및 증폭기의 정밀도를 높이기 위한 기생 커패시턴스에 둔감한 커패시터 배열을 개발하였다. 또한, 블랙-레벨 상쇄를 위한 아날로그 및 디지털 영역에서의 이중 블랙 레벨 상쇄를 효과적으로 구현하였다. 제안된 구조를 $0.35-{\mu}m$ CMOS 공정으로 구현하였으며, 10-bit 해상도의 전체 CCD 카메라 시스템에 적용하여 그 동작을 검증하였다. 제안한 AFE는 3.3 V 공급전압 및 15 MHz의 데이터 전송속도에서 80 mA를 소모하였다. This paper describes an implementation of the analog front end (AFE) incorporated with the image signal processing (ISP) unit in the SoC, dominating the performance of the CCD image sensor system. New schemes are exploited in the high-frequency sampling to reduce the sampling uncertainty apparently as the frequency increases, in the structure for the wide-range variable gain amplifier (VGA) capable of $0{\sim}36\;dB$ exponential gain control to meet the needed bandwidth and accuracy by adopting a new parasitic insensitive capacitor array. Moreover, the double cancellation of the black-level noise was efficiently achieved both in the analog and the digital domain. The proposed topology fabricated in a $0.35-{\mu}m$ CMOS process was proved in a full CCD camera system of 10-bit accuracy, dissipating 80 mA at 15 MHz with a 3.3 V supply voltage.
연구보문 : 호남지역 전북통에서 벼 부분경운 건답직파시 강우 후 파종작업 가능일수
백남현 ( Nam Hyun Back ),김택겸 ( Teak Kyum Kim ),고종철 ( Jong Cheol Ko ),남정권 ( Jeong Kwon Nam ),최민규 ( Min Kyu Choi ),김선 ( Sun Kim ),양창휴 ( Chang Hyu Yang ),김영두 ( Yong Doo Kim ),김시주 ( Si Ju Kim ) 한국국제농업개발학회 2010 韓國國際農業開發學會誌 Vol.22 No.4
호남지역 전북통(미사질양토)에서 벼 부분경운 건답직파시 강우 후 파종작업 가능일수를 구명하기 위하여 2000~2001년에 걸쳐 국립식량과학원 벼맥류부 벼 시험포장에서 동력분무기를 이용하여 강우량을 달리 처리한후 경과일수에 따른 토양수분, 쇄토율, 입모 및 쌀 수량 등을 검토한 결과를 요약하면 다음과 같다. 1. 미사질양토에서 강우 후 토양수분함량이 35%이하로 낮아질 때까지의 소요일 수는 강우량 5mm일 때 6일, 10mm 및 15mm일 때 9일, 20mm일 때 12일, 30mm일 때는 15일 이후였다. 2. 토양수분함량이 26.3~34.5%에서는 쇄토율이 58~82%, 입모수가 88~162개/m2이었으나, 토양 수분함량이 36.6%에서는 쇄토율이 52%, 입모수가 80개/m2이었다. 3. 쌀 수량은 토양수분함량이 26.3~34.5%에서는 별 차이가 없었으나, 토양수분함량이 36.6%에서는 m2당 수수 및 립수가 적어 쌀 수량이 현저히 감소하였다. 4. 따라서 호남지역 전북통(보통답)에서 부분경운 건답직파시 강우 후 파종작업 가능일수는 토양수분함량, 쇄토율, 입모, 벼 생육 및 쌀 수량 등을 종합해 볼 때 강우량 5mm일 때 4~5일, 강우량 10mm일 때 6~7일, 15mm일 때 8~9일, 20mm일 때 12일, 30mm일 때 15일이었다. To establish the system of partial-tillage direct seeding cultivation of rice in Honam Plain Area, we investigated the related factors such as possible days of seeding work and limitation of soil moisture after rainfall. This experiment was conducted in Jeonbuk series(fluvio marine alluvial soil) at National Institute of Crop Science in Iksan from 2000 to 2001. For the proper harrowing practice and acceptable rice seedling stand rate under partial-tillage direct seeding cultivation, the higher limit of soil moisture content after rainfall was determined below 34.5 %. To reach the available seeding day after rainfall in which soil moisture dropped below 34.5 %, 4-5 days was required at 5mm rainfall, 6-7 days at 10mm, 8-9 days at 20mm, and 15 days at 25mm, respectively.
새만금 간척지에서 토양 염농도별 동계 사료작물의 생육 및 수량
백남현 ( Nam Hyun Back ),김택겸 ( Teak Kyum Kim ),양창휴 ( Chang Hyu Yang ),김선 ( Sun Kim ),남정권 ( Jeong Kwon Nam ),이상복 ( Sang Bok Lee ),최원영 ( Weon Young Choi ),김시주 ( Si Ju Kim ),이경보 ( Kyong Bo Lee ) 한국국제농업개발학회 2011 韓國國際農業開發學會誌 Vol.23 No.4
To examine the possibility of cultivation of winter fodder crops at Saemangeum reclaimed land, barley, rye, wheat, triticale, and oat were cultivated under the various ranges of saline soils from autumn 2009 to the spring 2011, and their growth and yields were evaluated. emergence and seedling stand rate were 84 and 79% at non-salinity soil plot, 64 to 73% at 0.2% saline soil plots, 40 to 52% at 0.3% saline soil plots, and 22 to 37% at 0.4% saline soil plot, respectively. those of rye, wheat, triticale, and barely were similar, however those of oats were relatively low. Yields of fresh and dry matter were 66 to 77% level at 0.2% saline soil plot and 30 to 61 % level at over 0.3% saline soil plots compared with the yields at non-saline soil plot. Fresh matter were high in order of rye>wheat>barely>triticale>oat. and dry matter were high in order of wheat>rye=barley>tricale>oat. Thus, considering these results, Soil salinity below 0.2% were available to cultivation of winter fodder corps and rye, wheat, barely and triticale were available crops in Saemangeum recalimed land.
백남현 ( Nam Hyun Back ),고종철 ( Jong Cheol Ko ),남정권 ( Jeong Kwon Nam ),최민규 ( Min Kyu Choi ),김보경 ( Bo Kyeong Kim ),양창휴 ( Chang Hyu Yang ),김택겸 ( Teak Kyum Kim ),김선 ( Sun Kim ),모영준 ( Young Jun Mo ),이경보 ( Kyo 한국국제농업개발학회 2011 韓國國際農業開發學會誌 Vol.23 No.4
This study was conducted to estimate the adaptability of some rice varieties for wet flooded direct seeding. Characters such as seedling stand, lodging index and milled rice yield are very important factors in order to get stable yield in direct seeding. These characters were compared among the 17 varieties which belong to early, medium, and mid-late maturity groups. Donganbyeo, Hoanbyeo, and Dongjinbyeo showed over 80 percent of seedling stand. Lodging did not occur in Daesanbyeo, Donganbyeo, Geumnambyeo, Ansanbyeo, Juanbyeo, Anjungbyeo, Hwanambyeo, and Obongbyeo. On the other hand, Geumobyeo, Hwayeongbyeo, Dongjinbyeo, and Nagdongbyeo showed severe lodging. The numbers of panicles and spikelets per in early maturing varieties were lower than those in medium and mid-late maturing varieties. There was no difference among medium and mid-late maturing varieties in the ratio of ripened grain. Milled rice yield was not different in medium or mid-late maturing varieties, whille in early maturing varieties it was different from 0.79 to 0.85MT/ha which was lower than in medium or mid-late maturing varieties. Consequently, Donganbyeo, Daesanbyeo and Hoanbyeo was desirable for wet flooded direct seeding in consideration of seedling stand, lodging and yield.