Current Issue
December, 2020
- Vol. 47 No. 4
- Effect of dietary ractopamine supplementation on growth performance, meat quality and fecal score in finishing pigs
An experiment was designed to assess ractopamine supplementation on growth, meat quality and carcass, and fecal scores of pigs. The 96 crossbred ... ...
- Comparison of the physical characteristics according to the varieties of perilla for the development of a high-quality, high-efficiency cleaner and stone separator
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 ... ...
- Estimation of spatial parameters to be included in 3D mapping for long-term forest road management
Point cloud-based 3D maps can obtain many kinds of information for maintenance work on forest road networks. This study was conducted ... ...
- Assessing the adoption potential of a smart greenhouse farming system for tomatoes and strawberries using the TOA-MD model
The purpose of this study was to estimate the economic evaluation of a smart farm investment for tomatoes and strawberries. In addition ... ...
- Development of weight prediction 2D image technology using the surface shape characteristics of strawberry cultivars
The commercial value of strawberries is affected by various factors such as their shape, size and color. Among them, size determined by weight ... ...
- Forecasting performance and determinants of household expenditure on fruits and vegetables using an artificial neural network model
Interest in fruit and vegetables has increased due to changes in consumer consumption patterns, socioeconomic status, and family structure ... ...
- Comparison of growth performance of weaned pigs based on ideal protein of Korea swine feeding standard and US nutrient requirements of swine
This study was conducted to evaluate growth performance of weaned pigs using diets based on ideal protein of the Korea swine feeding standard ... ...
- Evaluation of the acute toxicity of theoredoxin (TRX) transgenic soybean to Daphnia magna
Theoredoxin (TRX) transgenic soybeans were developed using the human Theoredoxin gene under the control of the β-conglycinin promoter with a selection ... ...
- Application of GeoWEPP to determine the annual average sediment yield of erosion control dams in Korea
Managing erosion control dams requires the annual average sediment yield to determine their storage capacity and time to full sediment-fill ... ...
- Risk assessment and evaluation of epidermal growth factor (EGF) transgenic soybean: responses of Cyprinus carpio fed on EGF transgenic soybean
The epidermal growth factor (EGF) transgenic soybean was developed and biosynthesis of human epidermal growth factor (hEGF) in soybean seeds ... ...
- Effect of the suction plate shape on metering performance of a vacuum metering device for garlic seeds
A vacuum metering device for garlic seeds was developed, and its metering performance was tested according to the design factors. Three design factors ... ...
- Applicability of the Wind Erosion Prediction System for prediction of soil loss by wind in arable land
The precise estimation of accelerated soil wind erosion that can cause severe economic and environmental impacts still has not been achieved ... ...
- Effect of GABA on the growth performance, nutrient digestibility, and backfat thickness in growing-finishing pigs
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 ... ...
- Variation in the reproductive rate of Trypoxylus dichotomus (Dymastinae: Sacarabaeidae: Coleoptera) by partition
Trypoxylus dichotomus is highly utilized in the domestic insect industry and bred at many farms nationwide. Recently, the number of farmers has been increasing ... ...
- Evaluation and improvement of forest watershed management projects in Korea
A forest watershed management project was introduced in 2004 to develop ecologically sound forest watersheds. It includes landslide prevention ... ...
- Overview of CRISPR/Cas9: a chronicle of the CRISPR system and application to ornamental crops
Since its first demonstration as a practical genome editing tool in the early 2010s, the use of clustered regularly interspaced short palindromic ... ...
- Field performance analysis of a card cleaner type separating system for a self-propelled pepper harvester
This study was carried out to determine the factor of a separating system according to the pepper varieties and the absence of a card ... ...
- Analysis of land use change for advancing national greenhouse gas inventory using land cover map: focus on Sejong City
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 ... ...
- Comparative evaluation of nutritional values in different forage sources using in vitro and in vivo rumen fermentation in Hanwoo cattle
This study evaluated the nutritional value of Italian ryegrass (IRG) as a forage source for Hanwoo. The nutritional value of IRG was assessed ... ...
- Investigating the value optimized forest carbon offset projects based on forest management scenarios in South Korea
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 of earthquake-induced landslide modeling and scenario-based application
Earthquakes can induce a large number of landslides and cause very serious property damage and human casualties. There are two issues ... ...
- In vitro fertilization using sex-sorted boar sperm mediated by magnetic nanoparticles
A wide range of techniques have been developed to separate X or Y- chromosome-bearing sperm. In particular, bovine semen sex-sorted by using ... ...
- Characteristics of lateral bud development, necrosis and genesis of flower primordium in ‘Kyoho’ grapevines
This study investigated the effective harvest of ‘Kyoho’ grapevines by examining their characteristics including bud development, necrosis ... ...
- Prediction of moisture contents in green peppers using hyperspectral imaging based on a polarized lighting system
In this study, a multivariate analysis model of partial least square regression (PLSR) was developed to predict the moisture ... ...
- Biological control of powdery mildew in Korean melons through a treatment with a culture of Bacillus species
Efficient management systems of facilities make it possible to manage environmental conditions properly, such as the temperature, humidity ... ...
- Effect of organic fertilizer mixed with dehydrated food waste powder on growth of leaf lettuce
The amount of food waste generated in Republic of Korea has been increasing alongside an increasing population and booming economy as such, research ... ...
- Prediction of the DO concentration using the machine learning algorithm: case study in Oncheoncheon, Republic of Korea
The machine learning algorithm has been widely used in water-related fields such as water resources, water management, hydrology, atmospheric ... ...
- Incubation of Scenedesmus quadricauda based on food waste compost
Food waste causes various economic losses and environmental pollution problems such as soil pollution and groundwater pollution. Food waste ... ...
- Evaluation of ammonia (NH3) emissions from soil amended with rice hull biochar
Ultrafine dust causes asthma and respiratory and cardiovascular diseases when inhaled. Ammonia (NH3) plays a big role in ultrafine dust formation ... ...
- Design, manufacture and field test of a surface water storage tank providing irrigation water to upland crops
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 ... ...
- Suppression of melon powdery mildew and tomato leaf mold disease by the antifungal activity of tea tree (Melaleuca alternifolia) essential oil
Essential oils (EOs) have been shown to be plant-extracted antimicrobial agents. However, there are limited studies investigating the efficacy of EOs against pathogens ... ...
- The status and development of bilateral international cooperation in the forestry sector: the selection of priority partner countries for Korea’s REDD+ programs
Global attention to the greenhouse gas emissions from deforestation and forest degradation is increasing. There is a growing recognition of reducing emission ... ...
- Digital mapping of soil carbon stock in Jeolla province using cubist model
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 ... ...
- Quality grading of Hanwoo (Korean native cattle breed) sub-images using convolutional neural network
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 ... ...
- Development of an accelerated life test procedure considering the integrated equivalent load of an implement working pump for an agricultural tractor
The goal of this study was to develop an accelerated life test for an implement working pump for an agricultural tractor. The field experiments ... ...
- A study on the emissions of SOx and NH3 for a 78 kW class agricultural tractor according to agricultural operations
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 ... ...
- Strength analysis of the driving shift gears for a 67 kW class agricultural tractor according to tire type
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... ...
- Erosion behavior according to location of conduit cracks in agricultural reservoir
The conduits of agricultural reservoirs undergo deterioration over a considerable period of time and this is highly likely to cause structural problems ... ...