Current Issue
December, 2020

  • Vol. 47 No. 4
ANIMAL
  • Effect of dietary ractopamine supplementation on growth performance, meat quality and fecal score in finishing pigs

    Md-Raihanul Hoque, Yu-Mi Im, In Ho Kim


    An experiment was designed to assess ractopamine supplementation on growth, meat quality and carcass, and fecal scores of pigs. The 96 crossbred ... ...

ENGINEERING
  • Comparison of the physical characteristics according to the varieties of perilla for the development of a high-quality, high-efficiency cleaner and stone separator

    Jong Ryul Park, Heo Man Park, Hye Rin Park, Gye Hoon Yang, Jung Hyun Lee


    The physical characteristics of the major varieties of perilla were analyzed to use as basic data for the design of a high-quality, high-efficiency perilla cleaner and ... ...

PLANT&FOREST
  • Estimation of spatial parameters to be included in 3D mapping for long-term forest road management

    Sung-Min Choi, Hyeongkeun Kweon, Joon-Woo Lee


    Point cloud-based 3D maps can obtain many kinds of information for maintenance work on forest road networks. This study was conducted ... ...

MANAGEMENT&ECONOMICS
  • Assessing the adoption potential of a smart greenhouse farming system for tomatoes and strawberries using the TOA-MD model

    Won Seok Lee, Hyun Seok Kim


    The purpose of this study was to estimate the economic evaluation of a smart farm investment for tomatoes and strawberries. In addition ... ...

ENGINEERING
  • Development of weight prediction 2D image technology using the surface shape characteristics of strawberry cultivars

    Hyeonchae Yoo, Jongguk Lim, Giyoung Kim, Moon Sung Kim, Jungsook Kang, Youngwook Seo, Ah-yeong Lee, Byoung-Kwan Cho, Soon-Jung Hong, Changyeun Mo


    The commercial value of strawberries is affected by various factors such as their shape, size and color. Among them, size determined by weight ... ...

MANAGEMENT&ECONOMICS
  • Forecasting performance and determinants of household expenditure on fruits and vegetables using an artificial neural network model

    Kyoung Jin Kim, Hong Sung Mun, Jae Bong Chang


    Interest in fruit and vegetables has increased due to changes in consumer consumption patterns, socioeconomic status, and family structure ... ...

ANIMAL
  • Comparison of growth performance of weaned pigs based on ideal protein of Korea swine feeding standard and US nutrient requirements of swine

    Sangwoo Park, Jeong Jae Lee, Hyunjin Kyoung, Joowon Kang, Soyun Kim, Jeehwan Choe, Minho Song, Younghoon Kim


    This study was conducted to evaluate growth performance of weaned pigs using diets based on ideal protein of the Korea swine feeding standard ... ...

PLANT&FOREST
  • Evaluation of the acute toxicity of theoredoxin (TRX) transgenic soybean to Daphnia magna

    Sung-Dug Oh, Seok-Ki Min, Jae Kwang Kim, Jung-Ho Park, Chang-Gi Kim, Soo Yun Park


    Theoredoxin (TRX) transgenic soybeans were developed using the human Theoredoxin gene under the control of the β-conglycinin promoter with a selection ... ...

ENGINEERING
  • Application of GeoWEPP to determine the annual average sediment yield of erosion control dams in Korea

    Hakjun Rhee, Junpyo Seo


    Managing erosion control dams requires the annual average sediment yield to determine their storage capacity and time to full sediment-fill ... ...

PLANT&FOREST
  • Risk assessment and evaluation of epidermal growth factor (EGF) transgenic soybean: responses of Cyprinus carpio fed on EGF transgenic soybean

    Sung-Dug Oh, Seok-Ki Min, Jae Kwang Kim, Jung-Ho Park, Chang-Gi Kim, Soo Yun Park


    The epidermal growth factor (EGF) transgenic soybean was developed and biosynthesis of human epidermal growth factor (hEGF) in soybean seeds ... ...

ENGINEERING
  • Effect of the suction plate shape on metering performance of a vacuum metering device for garlic seeds

    Deok-Keun Kim, Yeong-Soo Choi, Seung-Hwan Yang


    A vacuum metering device for garlic seeds was developed, and its metering performance was tested according to the design factors. Three design factors ... ...

REVIEW
  • Applicability of the Wind Erosion Prediction System for prediction of soil loss by wind in arable land

    Kyo-Suk Lee, Il-Hwan Seo, Sang-Phil Lee, Chul-Soon Lim, Dong-Sung Lee, Se-Won Min, Hyun-Gyu Jung, Jae-Eui Yang, Chung Doug-Young


    The precise estimation of accelerated soil wind erosion that can cause severe economic and environmental impacts still has not been achieved ... ...

ANIMAL
  • Effect of GABA on the growth performance, nutrient digestibility, and backfat thickness in growing-finishing pigs

    Shuai qi Huang, Yu-Mi Im, In Ho Kim


    A total of 100 growing pigs (25.66 ± 1.55 kg) were used in a 16-week feeding trial. Pigs were randomly distributed into two treatment groups on the ... ...

PLANT&FOREST
  • Variation in the reproductive rate of Trypoxylus dichotomus (Dymastinae: Sacarabaeidae: Coleoptera) by partition

    Won-Jun Seo, Sang-Eun Park, Young-Nam Youn


    Trypoxylus dichotomus is highly utilized in the domestic insect industry and bred at many farms nationwide. Recently, the number of farmers has been increasing ... ...

PLANT&FOREST
  • Evaluation and improvement of forest watershed management projects in Korea

    Hakjun Rhee


    A forest watershed management project was introduced in 2004 to develop ecologically sound forest watersheds. It includes landslide prevention ... ...

REVIEW
  • Overview of CRISPR/Cas9: a chronicle of the CRISPR system and application to ornamental crops

    Hyunbae Lee, Saminathan Subburaj, Luhua Tu, Ka-Yeon Lee, Gwangsu Park, Geung-Joo Lee


    Since its first demonstration as a practical genome editing tool in the early 2010s, the use of clustered regularly interspaced short palindromic ... ...

ENGINEERING
  • Field performance analysis of a card cleaner type separating system for a self-propelled pepper harvester

    Seo-Yong Shin, Yongjin Cho, Su-Bin Kim, Dae-Cheol Kim


    This study was carried out to determine the factor of a separating system according to the pepper varieties and the absence of a card ... ...

FOOD&CHEMISTRY
  • Analysis of land use change for advancing national greenhouse gas inventory using land cover map: focus on Sejong City

    Seong-Jin Park, Chul-Woo Lee, Seong-Heon Kim, Taek-Keun Oh


    Land-use change matrix data is important for calculating the LULUCF (land use, land use change and forestry) sector of the national greenhouse gas inventory ... ...

ANIMAL
  • Comparative evaluation of nutritional values in different forage sources using in vitro and in vivo rumen fermentation in Hanwoo cattle

    Hu Seong Lee, Sung Dae Lee, Seul Lee, Sangsoo Sun, Minseok Kim, Hyuck Choi, Yookyung Lee, Youl-Chang Baek


    This study evaluated the nutritional value of Italian ryegrass (IRG) as a forage source for Hanwoo. The nutritional value of IRG was assessed ... ...

PLANT&FOREST
  • Investigating the value optimized forest carbon offset projects based on forest management scenarios in South Korea

    Heesung Woo, Joowon Park, Soo-Kyoo Park


    One hundred ninety-five countries reached agreement on a new climate treaty in Paris, France to reduce the carbon emissions. South Korea has been ... ...

REVIEW
  • Review of earthquake-induced landslide modeling and scenario-based application

    Giha Lee, Hyunuk An, Minho Yeon, Jun Pyo Seo, Chang Woo Lee


    Earthquakes can induce a large number of landslides and cause very serious property damage and human casualties. There are two issues ... ...

ANIMAL
  • In vitro fertilization using sex-sorted boar sperm mediated by magnetic nanoparticles

    Hakjae Chung, Sunyoung Baek, Soojin Sa, Youngshin Kim, Joonki Hong, Eunseok Cho, Jihwan Lee, Seungmin Ha, Jungho Son, Seunghwan Lee, Inchul Choi , Kyungwoon Kim


    A wide range of techniques have been developed to separate X or Y- chromosome-bearing sperm. In particular, bovine semen sex-sorted by using ... ...

PLANT&FOREST
  • Characteristics of lateral bud development, necrosis and genesis of flower primordium in ‘Kyoho’ grapevines

    Jun Young Park, Myung Hee Jung, Bo Min Kim, Yo Sup Park, Jun Hyeok Kim, Hee-Seung Park


    This study investigated the effective harvest of ‘Kyoho’ grapevines by examining their characteristics including bud development, necrosis ... ...

ENGINEERING
  • Prediction of moisture contents in green peppers using hyperspectral imaging based on a polarized lighting system

    Mohammad Akbar Faqeerzada, Anisur Rahman, Geonwoo Kim, Eunsoo Park, Rahul Joshi, Santosh Lohumi, Byoung-Kwan Cho


    In this study, a multivariate analysis model of partial least square regression (PLSR) was developed to predict the moisture ... ...

PLANT&FOREST
  • Biological control of powdery mildew in Korean melons through a treatment with a culture of Bacillus species

    Sang Gil Lee, Nak Beom Jeon, Myung Soo Park, Hae Keun Yun


    Efficient management systems of facilities make it possible to manage environmental conditions properly, such as the temperature, humidity ... ...

FOOD&CHEMISTRY
  • Effect of organic fertilizer mixed with dehydrated food waste powder on growth of leaf lettuce

    Jun-Hyuk Yoo, Jae-Hong Kim, Jae-Han Lee, Jin-Hyuk Chun, Luyima Deogratius, Yun-Gu Kang, Hyun-Nyung Woo, Taek-Keun Oh, Seong-Heon Kim


    The amount of food waste generated in Republic of Korea has been increasing alongside an increasing population and booming economy as such, research ... ...

ENGINEERING
  • Prediction of the DO concentration using the machine learning algorithm: case study in Oncheoncheon, Republic of Korea

    Heesung Lim, Hyunuk An, Eunhyuk Choi, Yeonsu Kim


    The machine learning algorithm has been widely used in water-related fields such as water resources, water management, hydrology, atmospheric ... ...

FOOD&CHEMISTRY
  • Incubation of Scenedesmus quadricauda based on food waste compost

    Keon Hee Kim, Jae Han Lee, Chae Hong Park, Taek Keun Oh


    Food waste causes various economic losses and environmental pollution problems such as soil pollution and groundwater pollution. Food waste ... ...

FOOD&CHEMISTRY
  • Evaluation of ammonia (NH3) emissions from soil amended with rice hull biochar

    Seong-Yong Park, Ha-Yeon Choi, Yun-Gu Kang, Seong-Jin Park, Deogratius Luyima, Jae-Han Lee, Taek-Keun Oh


    Ultrafine dust causes asthma and respiratory and cardiovascular diseases when inhaled. Ammonia (NH3) plays a big role in ultrafine dust formation ... ...

ENGINEERING
  • Design, manufacture and field test of a surface water storage tank providing irrigation water to upland crops

    Hyung Jin Shin, Young-Joon Kim, Jae Young Lee, Hwang-Hee Kim, Sung Mun Jo, Sang Sun Cha, Seon-Ah Hwang, Seung-Kee Lee, Chan Gi Park


    For most upland crops in Korea, underground water is used to ensure an adequate water supply. Thus, surface water storage tanks are needed to supply surface ... ...

PLANT&FOREST
  • Suppression of melon powdery mildew and tomato leaf mold disease by the antifungal activity of tea tree (Melaleuca alternifolia) essential oil

    Mun Haeng Lee, Sang-Keun Oh


    Essential oils (EOs) have been shown to be plant-extracted antimicrobial agents. However, there are limited studies investigating the efficacy of EOs against pathogens ... ...

MANAGEMENT&ECONOMICS
  • The status and development of bilateral international cooperation in the forestry sector: the selection of priority partner countries for Korea’s REDD+ programs

    Ki Hyun Kim, Bohwi Lee, Sebin Kim


    Global attention to the greenhouse gas emissions from deforestation and forest degradation is increasing. There is a growing recognition of reducing emission ... ...

FOOD&CHEMISTRYS
  • Digital mapping of soil carbon stock in Jeolla province using cubist model

    Seong-Jin Park, Chul-Woo Lee, Seong-Heon Kim, Taek-Keun Oh


    Assessment of soil carbon stock is essential for climate change mitigation and soil fertility. The digital soil mapping (DSM) is well known as a general technique ... ...

ANIMAL
  • Quality grading of Hanwoo (Korean native cattle breed) sub-images using convolutional neural network

    Kyung-Do Kwon, Ahyeong Lee, Jongkuk Lim, Soohyun Cho, Wanghee Lee, Byoung-Kwan Cho, Youngwook Seo


    The aim of this study was to develop a marbling classification and prediction model using small parts of sirloin images based on a deep learning ... ...

ENGINEERING
  • Development of an accelerated life test procedure considering the integrated equivalent load of an implement working pump for an agricultural tractor

    Seok-Pyo Moon, Seung-Min Baek, Sun-Ok Chung, Young-Jun Park, Tae-Ho Han, Yong-Joo Kim


    The goal of this study was to develop an accelerated life test for an implement working pump for an agricultural tractor. The field experiments ... ...

ENGINEERING
  • A study on the emissions of SOx and NH3 for a 78 kW class agricultural tractor according to agricultural operations

    Seung Min Baek, Wan Soo Kim, Jun Ho Lee, Yean Jung Kim, Dae Seok Suh, Sun Ok Chung, Chang Hyun Choi, Byoung Woo Gam, Yong Joo Kim


    The purpose of this study was to compare and analyze the emissions of SOx and NH3 for a 78 kW class agricultural tractor during agricultural operations. A real-time monitoring ... ...

ENGINEERING
  • Strength analysis of the driving shift gears for a 67 kW class agricultural tractor according to tire type

    Seung Min Baek, Wan Soo Kim, Yeon Soo Kim, Seung Yun Baek, Nam Gyu Lee, Seok Pyo Moon, Hyeon Ho Jeon, Young Soo Choi, Taek Jin Kim, Yong Joo Kim


    The purpose of this study was to measure the engine torque and rotational speed of a 67 kW class agricultural tractor according to tire type during plow tillage and... ...

ENGINEERING
  • Erosion behavior according to location of conduit cracks in agricultural reservoir

    Jung-Hyun Ryu, Joon Heo, Jae-Woong Shim, Cheol-Han Kim, Bora Yun, Yong-Hak Lee, Dal-Won Lee


    The conduits of agricultural reservoirs undergo deterioration over a considerable period of time and this is highly likely to cause structural problems ... ...