• 한국농업기계학회:학술대회논문집
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• 한국농업기계학회 1993년도 Proceedings of International Conference for Agricultural Machinery and Process Engineering
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• pp.912-921
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• 1993

A small scale solar greenhouse tray dryer suitable for one or few farmer households is designed in place of sunny ground to dry various agricultural products. The tests on the drying of paddy, groundnut and radish slices by this drying unit have been made. The results indicated that this drying unit had a good heat collecting property, a low heat consumption (4518.7-5676.1 KJ per kg water removal) , a high heat utilizing efficiency (43.75%-54,25%) , a low operation cost (0.057 kwh-0.078 kwh per kg water removal) and good drying quality.

• 한국기후변화학회지
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• 제7권3호
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• pp.335-339
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• 2016

The purpose of this study is to analyze effects of greenhouse gas reduction in organic agriculture. To accomplish the objective of the study, a field survey was conducted. Based on the field survey results, LCA method was used to estimate the greenhouse gas emission. The farmer survey and LCA estimation data were provided by The Foundation of Agricultural Technology Commercialization and Transfer. The GHG estimation results showed that GHG emission of organic farming is less by 10.6~89.3% when compared with the conventional farming. In addition, the economic value of greenhouse gas reduction in organic farming amounts to 1,097 million won. Based on major findings, in response to national greenhouse gas reduction target, it is needed to expand organic farming, supporting organic farmers' income.

• International Journal of Computer Science & Network Security
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• 제24권1호
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• pp.151-155
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• 2024

This project is designed with the aim to facilitate the farmer or gardener to engage in green house systems and to improve agricultural technology. In order to reduce continuous monitoring of the soil parameters, excess time consumption for the farmers and excessive usage of water, "Smart irrigation and temperature control for a greenhouse system" has been developed. There are two different ways to irrigate the land namely traditional irrigation methods and modern irrigation methods.

• 농촌의학ㆍ지역보건
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• 제33권1호
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• pp.27-36
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• 2008

이 연구에서는 시설참외 농작업자와 수도작 농작업자들의 농부증 유병양상 및 특징을 비교 분석함으로써 시설참외 농작업자들의 농부증 예방을 위한 기초자료를 제공하고자 하였다.연구 대상은 일개 농촌지역에 소재하는 시설참외 농작업자 73명, 수도작 농작업자 87명이었다. 자료수집은 연구자로부터 교육을 받은 면접원들에 의해 수행되었으며 자료는 구조화된 설문지를 이용한 직접면접법을 통해 수집하였다. 조사항목은 일반특성, 건강관련 행위, 농작업 관련 특성, 농부증, 농사일 및 관련 증상 등이었다. 인구사회학적 특성은 시설참외 농작업자에서 수도작 농작업자보다 연령이 상대적으로 낮고 학력 및 소득수준은 높은 것으로 나타났다(p<0.05). 한편, 농작업 종사에 따른 성별, 결혼상태, 동거인 수, 생활행태(흡연, 음주, 운동, 비만) 등의 분포 차이는 없었다. 농작업 종사 경력은 시설참외 및 수도작 농작업자에서 각각 23.4년, 33.9년으로 분포 또한 시설참외 농작업자에서 상대적으로 짧은 것으로 나타났다(p<0.05). 일 농작업 시간은 시설참외 및 수도작 농작업자에서 각각 8.3시간, 6.5시간이었으며, 분포 또한 시설참외 농작업자에서 상대적으로 긴 것으로 나타났다(p<0.05).농부증 총점수는 시설참외 농작업자(5.9)에서 수도작 농작업자(4.6)보다 높게 나타났다(p<0.05). 농부증 유병률은 시설참외 농작업자(38.4%)에서 수도작 농작업자(22.6%)보다 높은 분포를 나타내었으나 유의수준은 경계성(p=0.059)을 나타내고 있었다. 직접표준화 방법을 이용하여 연령을 보정한 결과에서의 농부증 유병률은 시설참외 농작업자에서 수도작 농작업자보다 높은 분포를 나타내었다(p<0.05).농부증 증상은 두 군 모두 어깨결림 및 요통, 야간빈뇨, 수족감각 둔화에서 높은 분포를 나타박종섭, 오경재 9내었으며 특히 어깨결림, 허리통증, 야간빈뇨 등은 시설참외 농작업자에서 수도작 농작업자보다 상대적으로 높게 분포하는 것으로 나타났다(p<0.05).이러한 연구결과로부터 시설참외 농작업자들에서의 농부증 유병률을 예방하고 관리하기 위해서는 상대적으로 과중한 노동강도 및 노동시간에 노출됨을 방지할 수 있는 농작업 환경 개선, 농기구의 개발, 주기적 휴식 및 운동 등의 방안이 다른 농작업보다 적극적으로 마련되어야 할 것이다.Acknowledgement이 논문은 2006년도 원광대학교의 교비지원에 의해서 수행되었습니다.

• 한국농공학회지
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• 제40권6호
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• pp.37-45
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• 1998

A survey was conducted to get information on the utilization of irrigation systems for greenhoyses farming. Three regions were selected which represent geographical chatacteristics such as neighboring urban area, flat-field area, and mountainous area. The number of greenhouses farms interviewed was 432 in total. The contents of the survey consisted of general characteristics of greenhouse farmers, the size and location of greenhouses, cultuvated crops, irrigation method, irrigation scheduling, and irrigation automation. The analysis of the surveyed data showed that greenhouse farmers did not take technical assistances. Proper criteria or guidelines for selection and operation of irrigation systems were not available. Irrigation systems were operated by hand. Irrigation scheduling were executed by farmer's experience. Maintenance of irrigation systems in general were poor. Development of economically reasonable irrigation system is of importance.

• 식물병연구
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• 제28권2호
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• pp.108-111
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• 2022

In December 2020, stem and leaf rot symptoms in small-fruited tomato (Solanum lycopersicum) plants were observed in a farmer's vinyl greenhouse located in Pyeongtaek, Gyeonggi Province, Korea. The incidence of diseased plants in the vinyl greenhouse was 2-6%. Seven single-spore isolates of Phoma sp. were obtained from the diseased stems and leaves. All the isolates were identified as Boeremia linicola based on the cultural, morphological and molecular characteristics. Two isolates of B. linicola were tested for pathogenicity on stems and leaves of small-fruited tomato and large-fruited tomato using artificial inoculation. All the tested isolates caused stem and leaf rot symptoms in the inoculated plants. The symptoms were similar to those observed in plants from the vinyl greenhouse investigated. This is the first report of B. linicola causing stem and leaf rot in tomato.

• 농촌지도와개발
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• 제11권1호
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• pp.191-207
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• 2004

This study was focused on the development of greenhouse management and environmental control system using internet. The essence of this system were remote automatic control unit connected with greenhouse environmental control according to the growth stages of crops, The specific objectives of the study were; 1) to analyze need of greenhouse environmental remote control system, 2) to investigate the important functions related to greenhouse management program, 3) to explore the possibility of diffusing the system using internet.The study was carried out through review of related literature and need assessment from the research and extension workers in charge of greenhouse management using questionnaire survey, interview and field study. The results of the study were summarized as fallows: 1) About 89% of respondents responded positively on the need to establish automatic control system using internet. 2) The greenhouse management and environmental control system using internet was possible to control the greenhouse in remote, automatic, and simultaneous manner, and additionally by cellular phone in emergent situation. 3) The system was possible to precisely control the greenhouse environment, and it was able to connect the environmental control data with information on growth of crops. 4) By networking the farmer, extension educator of agricultural technology center and researcher, web based farm consulting was possible through the system. Based on the results of the study recommendations were suggested as follows: 1) Thorough spot inspections and field trials should be performed before the diffusion of this system. 2) The costs of the system installation and maintenance should be moderate. 3) The operation of the system should be simple and easy for tamers to adopt. 4) National support should be made to build better internet infrastructure in rural areas.

• 한국유기농업학회지
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• 제21권3호
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• pp.321-334
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• 2013

This case study surveyed management situations of environmentally friendly farming (EFF) and their awareness situations. Farmers are aging as an average age of 62-year old. The EFF did not increase farmer's income, however, farm income of EFF was more than that of conventional farming. Farm household liabilities showed large deviation among farmers. Livestock and greenhouse farm households have more liabilities because of facilities and feed cost. Farmers of EFF have been also cultivating conventional farming, but they don't plan much conversion intention of conventional farming into EFF owing to lack of differentiated and stable market for their environment-friendly agriculture products. And they are guessing that EFF income will usually not increase more. For increasing of EFF income, they think that it is necessary to enlarge production area, change to high-income crop, develop processing foods, change to organic farming and so on.

• 한국산업융합학회 논문집
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• 제25권3호
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• pp.349-356
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• 2022

Currently, the agricultural population in Korea indicates a decreasing and aging orientation. As the population of farm labor continues to decline, so farmers are feeling the pressure to be stable crop production. To solve the problem caused by the decreasing of farm labor, it is necessary to change over to "Digital agriculture". Digital agriculture is tools that digitally collect, store, analyze, and share electronic data and/or information in agriculture, and aims to integrate the several digital technologies into crop and livestock management and other processes in agriculture fields. In addition, digital agriculture can offer the opportunity to increase crop production, save costs for farmer. Therefore, in this study, for data-based Digital Agriculture, a greenhouse environment monitoring system for crop growth monitoring based on Node-RED, which even beginners can use easily, was developed, and the implemented system was verified in a hydroponic greenhouse. Several sensors, such as temperature, humidity, atmospheric pressure, CO₂, solar radiation, were used to obtain the environmental data of the greenhouse. And the environmental data were processed and visualized using Node-RED and MariaDB installed in rule.box digital. The environment monitoring system proposed in this study was installed in a hydroponic greenhouse and obtained the environmental data for almost two weeks. As a result, it was confirmed that all environmental data were obtained without data loss from sensors. In addition, the dashboard provides the names of installed sensors, real time environmental data, and changes in the last three days for each environmental data. Therefore, it is considered that farmers will be able to easily monitor the greenhouse environment using the developed system in this study.

• 한국토양비료학회지
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• 제45권6호
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• pp.1065-1072
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• 2012

Crop productivity decreases globally as a result of salinization. However, salinity impact on greenhouse-grown crops is much higher than on field-grown crops due to the overall concentrations of nutrients in greenhouse soils. Therefore, this study was performed to determine the short-term changes in growth, photosynthesis, and metabolites of tomato plants grown in greenhouse under heavily input of fertilizers evaluated by microbial activity and chemical properties of soils. The soils (< 3, 3.01~6, 6.01~10 and > 10.01 dS $m^{-1}$) from farmer's greenhouse fields having different fertilization practices were used. Results showed that the salt-accumulated soil affected adversely the growth of tomato plants. Tomato plants were seldom to complete their growth against > 10.0 dS $m^{-1}$ level of EC. The assimilation rate of $CO_2$ from the upper fully expanded leaves of tomato plants is reduced under increasing soil EC levels at 14 days, however; it was the highest in moderate or high EC-subjected (3.0 ~ 10.0 dS $m^{-1}$) at 28 days. In our experiment, soluble sugars and starch were sensitive markers for salt stress and thus might assume the status of crops against various salt conditions. Taken together, tomato plants found to have tolerance against moderate soil EC stress. Various EC levels (< 3.0 ~ 10.0 dS $m^{-1}$) led to a slight decrease in organic matter (OM) contents in soils at 28 days. Salinity stress led to higher microbial activity in soils, followed by a decomposition of OM in soils as indicated by the changes in soil chemical properties.