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벼 재배에서 imazosulfuron+fentrazamide 합제의 제형 및 처리시기에 따른 제초활성
강광식(Kwang Sik Kang),원옥재(OK Jae Won),박수혁(Su Hyuk Park),엄민용(Min Yong Eom),황기선(Ki Seon Hwang),서수정(Su Jeong Suh),변종영(Jong Yeong Pyon),박기웅(Kee Woong Park) 충남대학교 농업과학연구소 2014 농업과학연구 Vol.41 No.1
This study was conducted to evaluate the efficacy of formulations and application timings of imazosulfuron+fentrazamide in rice field. Weeding efficacy of imazosulfuron+fentrazamide SC (75+300 g a.i./ha) was more than 95% except Bidens tripartita. The efficacy of this formulation was not related to its formulations but was highly related to application timing. Herbicide application before 5 days after transplanting was best timing to get a maximum weed control. Systemic application before and after transplanting was much higher than single application for weed control. Second leaf stage of Echinochloa spp. and sulfonylurea resistant Monochoria vaginalis was controled over 90% in the imazosulfuron+fentrazamide SC (75+300 g a.i./ha). Based on these data, imazosulfuron+fentrazamide can be applied to provide effective weed control especially in the field infested with herbicide resistant M. vaginalis.
Imazosulfuron+fentrazamide 혼합제의 재배양식에 따른 벼의 약해
원옥재(OK Jae Won),강광식(Kwang Sik Kang),박수혁(Su Hyuk Park),엄민용(Min Yong Eom),황기선(Ki Seon Hwang),서수정(Su Jeong Suh),변종영(Jong Yeong Pyon),박기웅(Kee Woong Park) 충남대학교 농업과학연구소 2015 농업과학연구 Vol.42 No.1
This study was conducted to evaluate the phytotoxicity of imazosulfuron+fentrazamide mixture in rice field. It is recommended that safe herbicide application was obtained at 3 cm of transplanting depth and in sandy loam or loam soil type. In the direct water seeding of rice, imazosulfuron+fentrazamide SC should be applied at least 10 days before sowing land ower than 25+100 g ai/ha. In case of imazosulfuron+fentrazamide SC application after sowing, If we use the herbicide 15 days after sowing, no herbicide symptoms will be detected even though the amounts of the herbicide increase. In the rice transplanting, it is recommended that imazosulfuron+fentrazamide GR is applied 5 days after transplanting. In case of sequential herbicide application, the imazosulfuron+fentrazamide SC application at 75+300 g ai/ha 15 or 20 days after transplanting after the application at 25+100 g ai/ha or 50+200 g ai/ha 3 days before sowing increases weed control efficacy and gives no phytotoxicity in the rice growth.
전기자동차 충전 인터페이스를 통한 차량 진단 서비스를 제공하는 CAN-to-Ethernet 게이트웨이 설계
이은조(Eunjo Lee),김석명(Seok-Myung Kim),김선경(Seon-Kyung Kim),엄광식(Kwang-Sik Eom),홍선택(Sun-Taek Hong) 한국자동차공학회 2017 한국자동차공학회 학술대회 및 전시회 Vol.2017 No.11
The most widely installed Ethernet recently applies to vehicle diagnostics, drivers can easily access electric control units (ECUs) using in-vehicle network (IVN) Ethernet to controller area network (CAN) gateway to check and reprogram the latest firmware from remote sites. The parallel ECU programming through Ethernet is a new remarkable on-board diagnostic (OBD) service which can provide programming for multiple ECUs at the same time. However, the service provokes the ECU programming completion time delay because of the burst frames and bus arbitrations. This paper presents a time-scheduling architecture for the gateway minimizes the delay of ECU programming completion time at the same time which can be applied to the electric vehicle charging controller using the power line communication (PLC) interface.
원옥재(Ok Jae Won),박기웅(Kee Woong Park),박수혁(Su Hyuk Park),엄민용(Min Yong Eom),강광식(Kwang Sik Kang) 충남대학교 농업과학연구소 2015 농업과학연구 Vol.42 No.2
This study was conducted to evaluate the efficacy of herbicide in winter cereal crops, barley and wheat. The efficacy of soil-applied herbicides, linuron EC and pendimethalin, thiobencarb GR was greater than that of butachlor EC. Linuron EC controlled average 95% and pendimethalin, thiobencarb GR controlled average 97% within 150 days after soil-applied treatment. When compared with untreated control, no visual injuries were detected at single and double dosage of linuron EC and pendimethalin, thiobencarb GR. The yield of barley increased in linuron EC and wheat increased in pendimethalin, thiobencarb GR treatments when compared with butachlor EC. The efficacy of foliage treatment, bentazone+propanil ME was greater than that of bentazone SL. Bentazone+propanil ME controlled average 96% in barley and 97% in wheat, within 30 days after foliage treatment. When compared with untreated control, no visual injuries were detected at single and double dosage of bentazone+propanil ME. The yield of barley and wheat increased in bentazone+propanil ME treatments when compared with bentazone SL. Based on these data, combinations of these herbicides could be applied to provide effective weed management in barley and wheat field.