• 제목/요약/키워드: Agricultural Environment

검색결과 5,375건 처리시간 0.032초

Promoted Growth of Maize by the Phosphate Solubilizing Bacteria Isolated from North-east China

  • Wu, Hai-Yan;Wang, Li-Chun;Gao, Xing-Ai;Jin, Rong-De;Fan, Zuo-Wei;Kim, Kil-Yong;Zhao, Lan-Po
    • 한국토양비료학회지
    • /
    • 제44권1호
    • /
    • pp.112-117
    • /
    • 2011
  • A strain of phosphate solubilizing bacterium was isolated from rhizosphere and identified as Burkholderia sp. by 16S-rRNA gene sequence analyses. The bacterium was found to release gluconic acid and the solubilization of hydroxyapatite in the liquid medium by a significant drop in pH to 3.7 from an initial pH 7.0. The soluble-P concentration continuously increased during the incubation periods and the total amount of soluble P released in culture filtrate was detected at 990 mg $L^{-1}$ after 10 days of inoculation. Most promoted maize growth was found in the standard NPK (240-120-120 kg $ha^{-1}$) soil inoculation with Burkholderia sp. (Twenty milliliters/plant, 106 CFU) and also in the absence of Burkholderia sp. inoculation, the soil amended with only 2/3 levels of P gave significant higher plant yield compared to 1/3 levels of P or without P supplementation.

농업생태환경 프로그램의 효과분석 (The Effects of Agricultural Ecological Environment Programs)

  • 이관률;남궁영
    • 농촌지도와개발
    • /
    • 제28권1호
    • /
    • pp.1-12
    • /
    • 2021
  • This study aims to analyze the effects of the Agricultural Ecological Environment Program, the first agri-environmental policy in Korea. To this end, as Janghyeon in Boryeong City and Hwaam in Cheongyang County were set up as experimental group. And similar to these villages nearby, Hwangryong in Boryeong and Gideok in Cheongyang have been set up as the control group. It compared and analyzed the farms' level and structure of awareness. The main results of the study can be summarized as follows. First, the Agricultural Ecological Environment Program improved the awareness of safe agricultural product cultivation and agricultural ecological environment stabilize. However, the contribution to the formation of rural community has not been statistically significant. Second, it was found that the farms clearly distinguish and recognize the safe agricultural products cultivation, the agricultural ecological environment stabilize, and the formation of rural community. On the other hand, it was found that the control group that did not participate in the agricultural ecological and environmental program was confused on the recognition of three things or did not recognize them. To summarized, the future agri-environmental policy can be grafted onto regional development policy. So, the areas of agri-environmental policy should include both agriculture and rural. In addition, the scientific discipline and movement approach should be all used also in the method of approach.

전통마을 숲의 GIS-DB구축 및 분포 특성 분석에 관한 연구 (A Study on the analysis of location on the traditional rural village forest in South Korea)

  • 박미정;김상범;장철순;신민지;김은자
    • 농촌계획
    • /
    • 제19권1호
    • /
    • pp.149-164
    • /
    • 2013
  • This article purposes to make a GIS database of South Korea rural village forest. So we first tried to collect data of their geographic coordinates or location from the many references on the rural village forest. As the result, we collected locations of the 634 forests. Boundaries of the 462 forests could be made by using their satellite imagery. Finally we implemented GIS database of the 462 traditional rural village forest in South Korea. Furthermore we surveyed 100 forests out of them. They were analyzed in the view of location, area, wood species, cultural assets and activities of inhabitants. These data can be used in the rural village planning and I look forward this database is helpful to preserve existing traditional rural village groves as a lasting legacy.

친환경.유기농산물 생산.유통.소비시장 현황 분석 -가격경쟁력 제고 방안을 중심으로- (A Study on the Marketing Strategy of Environment-friendly Agricultural Products)

  • 황재현
    • 한국유기농업학회지
    • /
    • 제17권3호
    • /
    • pp.327-345
    • /
    • 2009
  • Environment-friendly agricultural products market has been experiencing various change through the quantitative growth in Korea. The food safety is considered seriously and the interest of the consumer is increasing about environment-friendly agricultural products and organic agricultural products. Environment-friendly agricultural products is encouraged in the link of the counter-measure which follows in the market opening. This research aims at making shorter the distance between the productive person and the consumer and to improve the income for organic farm and the price competitiveness for Environment-friendly agricultural products through the present condition analysis for organic produce's production, distribution and consumption market. To solve the problems above, the development of strategies for the establishment of distribution system for the organic produce's stable supply and the improvement of price competitiveness, the establishment of the cooperating system on the produce's demand and supply, the improvement of consumer's reliability by reinforcement with connectivity and transparency of the process, and the vitalization of regional economy and the exchange of rural and city area are needed.

  • PDF

음식물류폐기물 활용 퇴비의 장기시용이 논 농업환경에 미치는 영향 (The effect of continuous application of the food waste composts on the paddy field environment)

  • 권순익;소규호;홍승길;김건엽;이정택;성기석;김권래;이덕배;정광용
    • 유기물자원화
    • /
    • 제17권3호
    • /
    • pp.55-70
    • /
    • 2009
  • 본 연구는 음식물류폐기물을 활용한 퇴비의 안전한 농업적 활용을 위하여, 음식물류폐기물 활용 퇴비 등을 논에 장기간 시용하고 벼를 재배하면서 벼 생육에 미치는 영향 및 토양환경 변화를 조사하였다. 시험에 사용된 재료는 질소, 인산, 칼리의 함량이 각각 $24g\;kg^{-1}$,$8g\;kg^{-1}$, $10.4g\;kg^{-1}$인 돈분퇴비와 질소, 인산, 칼리의 함량이 각각 $20g\;kg^{-1}$, $20.1g\;kg^{-1}$,$6.5g\;kg^{-1}$인 음식물류폐기물 활용 퇴비로써 $2{\times}2{\times}2m$ 크기의 라이시미터에 화학비료의 질소 시용량과 동일하게 시용한 후 추정벼를 재배 실험하였다. 음식물류폐기물 활용 퇴비를 시용한 시험구의 벼 생육은 무비구 보다는 양호하였으나 화학비료구에 비해서는 대등하거나 수량이 감소하였다. 시험 후 토양의 성분 함량은 퇴비의 시용에 의해 유기물, 질소 및 인산의 함량이 증가하였으며, 특히 음식물류폐기물 활용 퇴비의 시용은 토양의 통기성을 크게 하였다. 퇴비의 시용에 따른 논토양 수질을 조사한 결과 표면수, 침투수, 지하수에서 화학비료구 또는 무비구에 비해 영향이 크지 않은 것으로 나타났다.

  • PDF

Investigation on Regional Distribution of Potential Energy Production with Agricultural By-Products in Agricultural Sector

  • Park, Woo-Kyun;Lee, Sun-Il;Shin, Joung-Du;Kim, Gun-Yeob;Kim, Yi-Hyun;So, Kyu-Ho
    • 한국토양비료학회지
    • /
    • 제46권5호
    • /
    • pp.343-350
    • /
    • 2013
  • The objectives of this study were to estimate the potential biomass yield by using the biomass conversion index and evaluate the potential energy production by using the energy conversion index of biomass. Estimating the total biomass yield in Korea showed 9,646.3 thousand tons produced in 2012. Subsequent evaluation of the potential energy production using the estimated biomass yield in 2012 indicated that the calorific values were varied from 3,800 to 4,500 kcal $kg^{-1}$ for crop- and from 4,100 to 4,300 kcal $kg^{-1}$ for woody-based biomass, respectively. Among the examined biomass materials, the pruned branch of a nut tree appeared to be the greatest in bio-energy production showing 6,300 kcal $kg^{-1}$ in calorific value. Total potential energy production from agricultural by-products was estimated approximately at 3,966,000 TOE. Among the agricultural by-products examined, rice straw showed the greatest energy production potential being at 2,321,000 TOE. Furthermore, it might contribute to establishing the countermeasures of biomass utility in agricultural sector based on regional distribution chart of the potential biomass and energy yields in Korea.

토지피복 지도를 이용한 생태계 서비스 가치 변화 분석 (Analysis of Ecosystem Service Value Change Using a Land Cover Map)

  • 박미정;전정배;최진아;김은자;임창수
    • 한국지역사회생활과학회지
    • /
    • 제27권spc호
    • /
    • pp.681-688
    • /
    • 2016
  • This study examined the effective uses of an ecosystem service value assessment in the fields of rural planning and development through archiving and reviewing/analyzing existing concepts, evaluation methods and prior examples of Ecosystem services. Based on land cover analysis, this study evaluated the usability changes in the ecosystem service value for a period spanning 1975 to 2000. The results from the countrywide data survey (with an exception of Jeju island) showed a 33.15% decrease in ESV by 2000. The total ESV represented 5,385 million USD in 1975, and 3,600 million USD in 2000 of the study area. In addition, the ecosystem service value with a scale of metro cities and provinces was also examined. The ESV of most regions decreased by 2000, but Daejeon and Kyeongnam, and Kyeongbuk provinces increased. The trends of year to year changes in the ESV were very diverse throughout the country. Jeonnam showed the smallest decrease, 747 million USD, which is 59% of the ESV in 1975. Nevertheless, the despite the regional differences in available natural resources, the natural resource assets value is ultimately determined by rural development policies and regional economic attributes. Therefore, an ecosystem service must be considered as an important criterion for rural planning and development policy.

지역개발로 인한 농촌마을 경관변화요인 평가 및 분석연구 - 전라도 지역을 대상으로 - (A Study of the Analysis and Evaluation of Factors of Changes in the Rural Landscape by Regional Development - Focus on Jeolla-Do -)

  • 최진아;김상범;김은자;임창수;박미정
    • 한국지역사회생활과학회지
    • /
    • 제27권spc호
    • /
    • pp.689-702
    • /
    • 2016
  • In this study, it was promoted for the purpose of direction for rural landscape planning and management through the analysis of the factors of change in the rural landscape. In the course of research, through literature review study and field surveys, to derive the 25 factors that influence the change in the rural landscape. Later, 25 factors were evaluated in the impact on landscape by experts. 25 factors of the rural landscape were a comprehensive analysis and the results of literature review study and field surveys about the five villages of research area; Ji-San village, Non-Gae village, etc. Expert evaluation was carried out by the rural landscape, and architecture professionals of various related fields. As a result of the analysis, the flow of rural development policy and the business had a great effect on the physical changes in the rural landscape. Furthermore, additional factors such as population structure and lifestyle have made the change in the complex landscapes. Meaning the study has is to provide information on what need there are considered factors in the rural landscape planning and management. The reason is that, since the rural landscape characteristics are different, in order to develop the more efficient rural landscape plan and management.

정주체계를 고려한 농촌마을의 정주여건 진단지표 개발 (Development of Settlement Condition Diagnosis Index in Rural Village)

  • 박미정;전정배;배승종;김대식;최진아;김은자
    • 농촌계획
    • /
    • 제23권1호
    • /
    • pp.65-83
    • /
    • 2017
  • This paper proposes a village level settlement environment diagnostic indices in rural areas which can apply to analyze various conditions at village level. A living space in rural areas has been changed with a diverse aspect according to living infrastructure, industrial structure, accessibility to neighbor city and so on. This indicators considered these mega-regionalization of economy and lifestyle in rural areas. The indicators consists of basic indices for all types villages and convenience service indices for center villages and the other neighbor ones classified by a functionality of their convenience facilities. As the results of delphi expert survey and a field validation, rural village settlement environment diagnostic indicators were selected 3 types, 15 domains, 24 subdomains and 61 items. And these indicators weight were determinted by AHP method. These developed indicators were used to diagnosis settlement conditions of 31 villages, located on county of Yeongdong. to validate a applicability and feasibility.

잎새버섯 봉지재배시 영양원으로서 맥주박 효과 (Effect of brewers dried grain as a nutrient supplement in plastic vinyl bag cultivation of maitake (Grifola frondosa S. F. Gray))

  • 이재홍;이남길;문윤기;정태성;권순배;박영학;김인종
    • 한국버섯학회지
    • /
    • 제14권2호
    • /
    • pp.34-38
    • /
    • 2016
  • 잎새버섯 봉지재배에 적합한 영양원을 구명하기 위하여 밀기울, 건비지 및 맥주박을 다양하게 혼합하여 생육 및 수량특성을 조사한 결과, 수확소요일수는 혼합배지 Mix II가 61.3일로 가장 적었으며, 수량에서는 혼합배지 Mix IV가 142.6g으로 가장 높게 나타났다. 밀기울과 맥주박의 적정 혼합율을 구명하기 위한 시험 결과, 맥주박 첨가율이 높아질수록 수확소요일수가 줄어들었으며, 수량은 맥주박 15%와 밀기울 5% 혼합율 처리에서 140.8 g으로 가장 높게 나타났다.