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Evaluation of dietary effects of lactic acid supplementation on growth performance, and nutrient digestibility in weanling pigs
September , 2023

Serge Muhizi, Zheng Fan Zhang, In Ho Kim

A total of 96 weanling pigs with an initial body weight of 5.96 ± 0.08 kg were randomly allocated to two dietary treatments and fed experimental weaning diets for 36 days ......

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Genetic diversity analysis of the line-breeding Hanwoo population using 11 microsatellite markers
September , 2023

Shil Jin, Jeong Il Won, Byoungho Park, Sung Woo Kim, Ui Hyung Kim, Sung Sik Kang, Hyun-Jeong Lee, Sung Jin Moon, Myung Sun Park, Hyun Tae Lim, Eun Ho Kim, Ho Chan Kang, Sun Sik Jang, Nam Young Kim

The genetic diversity of three Hanwoo populations was analyzed using 11 microsatellite (MS) markers for the traceability of Hanwoo beef in this study....

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Analyzing on the cause of downstream submergence damages in rural areas with dam discharge using dam management data
September , 2023

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Determination of garlic extract efficacy on growth, nutrient digestibility, and fecal score of growing pigs via diet supplementation
September , 2023

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Localization of ripe tomato bunch using deep neural networks and class activation mapping
September , 2023

Seung-Woo Kang, Soo-Hyun Cho, Dae-Hyun Lee, Kyung-Chul Kim

In this study, we propose a ripe tomato bunch localization method based on convolutional neural networks, to be applied in robotic harvesting systems. Tomato images were obtained from a smart greenhouse ......

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Growth characteristics and productivity of new Italian ryegrass (Lolium multiflorum Lam.) variation, IR 604
September , 2023

Hee Chung Ji, Sang Min Shin, Ji Hyun Yoo

This experiment was carried out to breed a medium maturing variety of Italian ryegrass (Lolium multiflorum Lam.) in Grassland and Forage Crops Division, National Institute of Animal Science, Rural Development Administration (RDA), Cheonan from 2019 to 2020....

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Development of YOLO-based apple quality sorter
September , 2023

Donggun Lee, Jooseon Oh, Youngtae Choi, Donggeon Lee, Hongjeong Lee, Sung-Bo Shim, Yushin Ha

The task of sorting and excluding blemished apples and others that lack commercial appeal is currently performed manually by human eye sorting, which not only causes musculoskeletal disorders in workers but also requires a significant amount of time and labor....

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Measurement and analysis of tractor emission during plow tillage operation
September , 2023

Jun-Ho Lee, Hyeon-Ho Jeon, Seung-Min Baek, Seung-Yun Baek, Wan-Soo Kim, Yong-Joo Kim, Ryu-Gap Lim

In Korea, the U.S. Tier-4 Final emission standards have been applied to agricultural machinery since 2015. This study was conducted to analyze the emission characteristics of agricultural tractors during plow tillage operations using PEMS ......

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Evaluation of input-output energy use in strawberry production in single-span double-layered greenhouses with different thermal-curtain positions
September , 2023

Timothy Denen Akpenpuun, Wook-Ho Na, Qazeem Opeyemi Ogunlowo, Anis Rabiu, Misbaudeen Aderemi Adesanya, Prabhat Dutta, Ezatullah Zakir, Hyeon-Tae Kim, Hyun-Woo Lee

The large amount of energy required for successful crop production is the main challenge in greenhouse cropping systems. As a response to this challenge ......

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Investigation of dry dog food market trends and valuation of carbohydrate sources for dog diets
September , 2023

Hyun-Woo Cho, Kangmin Seo, Min Young Lee, Ki Hyun Kim, Ju Lan Chun

Plant-based, grain-free, and gluten-free diets have been the focus of recent research, as part of the premiumization trend in dog food....

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Inactivation influences on Escherichia coli DS5α by irradiation with 405 nm violet-light
September , 2023

Young-Sun Kim, Mun-Jin Choi, Dae-Young Lee, Sang-Ook Kang, Geung-Joo Lee

Because an irradiation of 405 nm violet light could have a strong energy, it was used to be sterilized against various microbes in the indoor air condition or fresh food. Escherichia coli is a representative bio-pollutant in the indoor air-borne bacteria ......

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Analysis of spraying performance of agricultural drones according to flight conditions
September , 2023

Dae-Hyun Lee, Baek-Gyeom Seong, Seung-Woo Kang, Soo-Hyun Cho, Xiongzhe Han, Yeongho Kang, Chun-Gu Lee, Seung-Hwa Yu

This study was conducted to evaluate the spraying performance according to the flight conditions of agricultural drones for the development of a variable control system. The analyzed flight conditions comprised six factors ......

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Effects of biochar-based fertilizer on ammonia volatilization under controlled conditions
September , 2023

Yun-Gu Kang, Jae-Han Lee, Jun-Yeong Lee, Jun-Ho Kim, Taek-Keun Oh

As the interest in sustainable and environmentally friendly agriculture continues to grow, there is a corresponding increase in organic fertilizers utilization. However, studies on ammonia emissions ......

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Analysis of cabbage acquisition by kimchi processor
September , 2023

Ga Eul Kim, Seon Min Park, Sounghun Kim

Cabbage, which is one of the main materials of kimchi, normally has an unstable supply due to cultivation and climate conditions. This unstable supply negatively affects the profitability of kimchi processors in Korea....

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Development of threshing cylinder simulation model of combine harvester for high-speed harvesting operation
September , 2023

Min Jong Park, Hyeon Ho Jeon, Seung Yun Baek, Seung Min Baek, Su Young Yoon, Jang Young Choi, Ryu Gap Lim, Yong Joo Kim

The purpose of this study is to develop a high-speed combine harvester. The performance was evaluated by composing a dynamic simulation model of a threshing cylinder and analyzing the amount of threshed rice grain during threshing operations....

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Seismic performance evaluation of agricultural reservoir embankment based on overtopping prevention structures installation
September , 2023

Bo Ra Yun, Jung Hyun Ryu, Ji Sang Han, Dal Won Lee

In this study, three types of structures–stepped gabion retaining walls, vertical gabion retaining walls, and parapets–were installed on the dam floor crest to prevent the overflow of deteriorative homogeneous reservoirs....

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Potential of multispectral imaging for maturity classification and recognition of oriental melon
September , 2023

Seongmin Lee, Kyoung-Chul Kim, Kangjin Lee, Jinhwan Ryu, Youngki Hong, Byeong-Hyo Cho

In this study, we aimed to apply multispectral imaging (713 - 920 nm, 10 bands) for maturity classification and recognition of oriental melons grown in hydroponic greenhouses....

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Effect of plastic film rain shelter installation in Asian pear orchards on frost and freeze damage and fruit quality
September , 2023

Hyeong-Seok Lee, Yu-Rim Kim, Young-Jik Ahn, Ho-Seok Son, Jong-Pil Chun

This study evaluated the impact of rain shelters made of plastic film on spring frost damage and fruit quality in Asian pears (‘Niitaka’) over two years....

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Oviposition preference of Luciola lateralis (Coleoptera: Lampyridae) according to the material and color of artificial oviposition ground
September , 2023

Won-Jun Seo, Do-Hwan Jang, Sang-Eun Park, Young-Nam Youn

The traditional oviposition ground for indoor breeding of Luciola lateralis is moss. This study was conducted to find the most suitable alternative oviposition ground that can maintain or increase the oviposition rate of lateralis ......

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Comparison of vegetation recovery according to the forest restoration technique using the satellite imagery: focus on the Goseong (1996) and East Coast (2000) forest fire
September , 2023

Yeongin Hwang, Hyeongkeun Kweon, Wonseok Kang, Joon-Woo Lee, Semyung Kwon, Yugyeong Jung, Jeonghyeon Bae, Kyeongcheol Lee, Yoonjin Sim

This study was conducted to compare the level of vegetation recovery based on the forest restoration techniques (natural restoration and artificial restoration) determined using the satellite imagery that targeted forest fire damaged areas ......

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Antioxidant activity of Opuntia robusta and its total polyphenol and flavonoid contents
September , 2023

Jin Su Park, Seok Hee Han, Hyun Young Kim, Ji Hyun Kim, Ah Young Lee, Jine Shang Choi

The aim of this study was to investigate the antioxidant effects of O. robusta stem extract (ORE) and to determine the total polyphenol and flavonoid contents....

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Causes and implications of increased export of frozen dumplings
September , 2023

Hye-Jung Kang, Seyoon Oh, Chanho Sohn, Hanpil Moon

Domestic processed food exports might increase due to the free trade agreement (FTA) and spread of the Korean Wave, Hallyu. However, the share of the domestic raw materials in the domestic processed food industry is very low at 31.4% ......

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Effects of glycozyme addition on fatty acid and meat quality characteristics of growing pigs
September , 2023

Olivier Munezero, In Ho Kim

Korean Journal of Agricultural Science, Volume 50, Issue 2, contains incorrect information and is hereby corrected....

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  • About
    • Aims & Scope
    • Editorial Board
    • Journal Information
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  • Browse
    • Current Issue
    • All Issues
    • Online First
  • For Contributors
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    • Publication Ethics
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    • Citations