• Title/Summary/Keyword: 농업신기술

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건강과 자연농업-제182호

  • Korea Organic Farming Association
    • THE HEALTH and ORGANIC FARMING
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    • no.182
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    • pp.1-24
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    • 2002
  • 사상 유례없는 태풍 '루사' 피해복구에 총력을!!/지구의 미래는 유기농업뿐이다!/헤어리벳치 실증재배기술 요약/내년 농업예산 삭감.축소편성 '파장'/아주 편리한 신개념 고추건조방법이란?/전국 친환경농업 품평.전시회/GMO (유전자변형식품) 이란무엇인가?/유기농업에의한 양계/9월중 농사정보/당신도 무병장수를 꿈꾸는가?/후사리움균(Fusarium)병의 방제법/영국의 유기농업 농가의 소득손실?/미생물의 질병방제 기작/영천시 유기농업 한마음대회 성료

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The study on energy utilization through rice husks gasification (왕겨 열분해 가스를 이용한 에너지활용 적용특성 연구)

  • Park, Soonam;Yoon, Youngsic;Kim, Narang;Gu, Jaehoi;Sung, Hojin
    • 한국신재생에너지학회:학술대회논문집
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    • 2011.11a
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    • pp.112.2-112.2
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    • 2011
  • 미곡종합처리장에서 발생되는 농업부산물인 왕겨는 대부분 퇴비의 재료로 활용되고 있으며, 수익성이 없는 것으로 알려져 있다. 근래에 화석자원의 고갈이 진행되면서, 왕겨, 볏짚을 포함한 농업부산물은 화석연료와 달리 재생이 가능하고 지속 가능한 자원으로 각광을 받고 있다. 바이오매스를 이용하는 신재생에너지 기술로는 생물학적, 열화학적, 물리적 변환 기술 등이 있다. 그중 열화학적 변환 기술은 반응시간이 짧고, 단위부피당 처리량이 높으며 공정상의 폐기물이 적은 장점을 지니고 있어 왕겨의 에너지 활용에 효율적인 기술로 알려져 있다. 왕겨의 열분해 가스화는 CO, $H_2$, $CO_2$, 및 $CH_4$ 가스가 주성분인 합성가스로 전환되는 것을 말하며, 생산된 합성가스는 가스엔진의 발전 연료로 사용될 수 있다. 본 연구에서는 농업부산물인 왕겨를 이용한 열분해 가스화기에서 발생된 합성가스를 정제한 후, 20kW급 가스엔진을 적용하여 합성가스 에너지 활용특성에 관하여 고찰하였다. 그 결과 왕겨의 열분해/가스화반응에 의해 발생된 합성가스를 가스엔진으로 안정적으로 공급하였으며,16kw의 전력이 생산되는 것으로 나타났다.

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Breeding of New Rose Cultivar 'Haedoji' with Red Color Flower, Resistance to the Powderly Mildew and High Productivity (흰가루병에 강하고 다수성인 장미 적색 품종 '해도지' 육성)

  • Gi, Gwang-Yeon;Hwang, In-Tack;Cho, Kyung-Chul;Na, Taek-Sang;Kim, Joung-Keun;Lee, Ya Song;Shin, Hae-Ryoung;Choi, Kyong-Ju;Lee, Jae-Sin;Han, Tae-Ho
    • Korean Journal of Breeding Science
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    • v.40 no.2
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    • pp.164-167
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    • 2008
  • A rose cultivar "Haedoji" developed at the Jeollanamdo Agricultural Research and Extention Services (JARES) is a standard type with deep Red flower. From 2000, two cultivars 'Vital' and 'Cardinal' were examined for horticultural characteristics and were included in cross-combination in 2003. Cultivar 'Vital', a vigorous standard type, first preference with red flower, was used as a mother plant and cultivar 'Cardinal', a red flower standard type with light color, was used as a pollen-donor plant. seventeen six breeding lines were selected in 2004 based on flower shape, flower color and abundance of petal numbers on the first selection. two breeding lines were selected in 2004 based on powderly mildew and vigor on the second selection. For three years, from 2005 till 2007, one breeding lines were selected and examined for their productivity, and then cultivar "Haedoji" was developed because of distinctive characters such as light red color flower, upright stem, long vase-life and Resistance to the Powderly Mildew. A standard type with intermediate sized flower, cultivar "Haedoji" shows in average 9.2 cm flower diameter, 62.0 cm flower stem length, and 9.5 days vase-life. The average productivity for three years was $167.3stems{\cdot}m^{-2}$ per year and increased 2% compare to cultivar 'Tiamo' with $163.9stems{\cdot}m^{-2}$ per year.

The Turning towards Neo-Endogenous Rural Development of the Farmers Network : The Case of the Regional Agricultural Cluster Scheme in Asan City (농민단체 주도의 신내생적 농촌개발에 관한 연구 -아산시 지역농업 클러스터 정책 사례-)

  • Kim, Tae-Yeon
    • Journal of the Korea Academia-Industrial cooperation Society
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    • v.15 no.2
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    • pp.902-913
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    • 2014
  • This paper deals with the novel concept of neo-endogenous rural development which has been applied to explain the contemporary features of the European rural development. The notion of neo-endogenous rural development has been emerged in Europe because the pervious dichotomous concepts of exogenous and endogenous development are no longer useful for explaining the relationship between the local actors and the central or regional administrative organisations. The concept argues that the changing situation of rural regions at the initial stages of endogenous development could only be identified by the concept of neo-endogenous perspectives. Therefore, it tries to apply the concept for the Korean rural development policy which is called Regional Agricultural Cluster scheme. Explaining the development processes and the problems of the farmers group which carried out the project in a local level, this paper argues that the severe conflict between the farmers group and the City Office may be a typical incident of the neo-endogenous development. It expresses the power relations between the local groups and the political managing authority. With the case of the Prundle, it concludes that the neo-endogenous development is the essential stage for all the endogenous development to go through as an transitional one.

A Study on the Use of ICT Instance to Manage Crops Effectively (농작물 관리 효율화를 위한 ICT 활용사례 연구)

  • Xu, Chen-lin;Shin, Hee-moon;Lee, Sang-Hyo;Kang, Sun-kyung;Lee, Hyun-chang;Shin, Seong-Yoon
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2015.10a
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    • pp.125-126
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    • 2015
  • The ICT (Information and Communication Technology) technology has been widely applied in agriculture, with the development of science and technology wireless sensor network applied to agriculture is one of the best intelligent means for information detection in crops. This paper investigates ICT convergence technology and analyzes the use of ICT examples and problems in the agricultural sector to grope a development program of ICT agricultural convergence technology.

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Breeding of a Pink Rose Cultivar 'Noble Eye' with Few Prickles for Cut Flower (가시가 적은 분홍색 장미 '노블아이' 육성)

  • Gi, Gwang-Yeon;Hwang, In-Taek;Cho, Kyung-Chul;Yun, Bong-Ki;Choi, Kyong-Ju;Lee, Jae-Sin;Han, Tae-Ho
    • FLOWER RESEARCH JOURNAL
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    • v.18 no.4
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    • pp.299-302
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    • 2010
  • A new standard pink rose cultivar 'Noble Eye' was bred from the cross between pink standard cultivar 'Noblesse' and pink standard cultivar 'Pretty Woman' at the Jeollanamdo Agricultural Research and Extension Services (JARES). The cross was made in 2003 and, 'Noble Eye' was finally selected in 2009 after investigating characteristics for three times from 2006 to 2009. 'Noble Eye' a pink standard cultivar has good flower shape with few prickles. The major characteristics of this cultivar was $125.7stems/m^2/year$ in yield. 69.8 cm in length of cut flower, 6.6 cm in flower diameter, 40.5 in petal number, and 9.4 days in vase life. This cultivar can be propagated by both cutting and grafting. The consumer's preference of this cultivar was relatively higher than that of control cultivar, 'Noblesse'.

Comparison of Dietary Fiber Content according to Heat Treatment of Korean Agricultural Products and Seaweed (국내 농산물 및 해조류의 가열처리에 따른 식이섬유 함량 비교)

  • Ha, Gi Jeong;Park, Bit Na;Kim, Hyeon Young;Kim, Bong Sin;Park, Yeo Ok;Choi, Jae Hyeok;Park, Jin Ju
    • The Korean Journal of Food And Nutrition
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    • v.35 no.4
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    • pp.239-246
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    • 2022
  • In this study, the dietary fiber content of 33 kinds of agricultural products and seaweeds was compared with that of raw products after heat treatment. To verify the total dietary fiber analysis method, the recovery rate was reviewed by measuring the total dietary fiber content for 4 standard certified substances. As a result, the recovery rate of the analysis value for the true value was 98.8%~103.1%, which was judged to be reliable. The total dietary fiber of vegetables ranged between 0.61~5.36 g/100 g for raw vegetables and 0.55~4.84 g/100 g for heat-treated vegetables. Among the 24 kinds of vegetables used in the analanalysis, the total dietary fiber content of heat-treated Korean radish (3.13 g/100 g) was the highest compared to that of raw radish (0.61 g/100 g). The total dietary fiber of beans was between 13.86~29.69 g/100 g for raw beans and 6.72~18.40 g/100 g for heat-treated beans. In particular, the total dietary fiber content of sword beans was the highest in both raw (29.69 g/100 g) and boiled (18.40 g/100 g) beans. The total dietary fiber content of the three types of seaweed was 1.93~4.85 g/100 g in raw seaweed and 0.99~5.72 g/100 g in heat-treated seaweed.

Effect of growth regulators on In Vitro mass propagation of Haworthia maughanii (생장조절제가 하월시아 만상(Haworthia maughanii)의 기내 대량증식에 미치는 영향)

  • Kim, Youn Hee;Kim, Hye Hyeong;Lee, Gee Young;Lee, Jae Hong;Jung, Jae Hong;Delgado-Sanchez, Pablo;Lee, Sang Deok
    • Journal of Plant Biotechnology
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    • v.45 no.4
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    • pp.369-374
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    • 2018
  • The purpose of this study was to investigate the suitable parts for callus induction and optimal concentrations of growth regulators contained in the medium affecting shoot and rooting for the in vitro mass production of Haworthia maughanii. To determine suitable parts of the plant for callus induction, the leaves, flower bloom and flower stalks were cultured in MS medium at different concentrations of $0{\sim}2mgL^{-1}$ NAA and $0{\sim}2mgL^{-1}$ TDZ, respectively. All of the parts showed 100% callus formation rate at $NAA\;1mgL^{-1}$ and $TDZ\;1mgL^{-1}$ treatment, $NAA\;2mgL^{-1}$ and $TDZ\;2mgL^{-1}$ treatment and NAA 1 to $2mgL^{-1}$, respectively. While the rate of callus formation was high in all parts, the leaves were the most efficient to obtain most culture parts. $NAA\;0.1mg\;L^{-1}$ and $BA\;0.1mg\;L^{-1}$ treatments were the most effective in shoot formation with 22.0 shoots. In addition, multiple shoot propagation showed 16.3 shoots, the highest, with $NAA\;0.1mg\;L^{-1}$ and $BA\;0.1mg\;L^{-1}$ treatments. These results led us to speculate that the optimization of culture conditions was responsible for the mass propagation for in vitro cultures of Haworthia maughanii.

A Study on the Technology Ealuation of Development of New Variety of Citrus (감귤 신품종 개발의 기술가치 평가)

  • Ko, Seong-Bo
    • Proceedings of the KAIS Fall Conference
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    • 2011.05b
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    • pp.781-784
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    • 2011
  • 본 연구의 목적은 농촌진흥청 국립원예특작과학원 감귤시험장에서 개발된 감귤신품종인 하례조생의 개발의 기술가치를 평가하는 것이다. 이는 농업 R&D사업의 효율성과 실용성 제고를 위하여 이용될 수 있을 것이다. 분석결과에 따르면, 감귤신품종 개발에 따른 기술가치평가액은 할인율 수준에 따라 최소 638.7억 원 (할인율 10%)에서 최대 1,088.7억 원(할인율 6%), 평균 829.17억 원(할인율 8%)으로 추정되고, 내부수익율 IRR의 값은 가정했던 할인율(6%~10%)보다 훨씬 크고, 순현재가치(NPV)는 영보다 훨씬 크며, B/C 비율도 60 이상으로 나타나 신품종개발사업의 경제적 타당성은 있는 것으로 판단된다.

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