• Title/Summary/Keyword: 생육환경

Search Result 3,304, Processing Time 0.039 seconds

Study on the Ecological and Taxonomical Characteristics of Zostera(Zosteraceae) in Korea I. Morphological and Environmental Characteristics of Zostera caespitosa Miki (한국산 거머리말속(Zostera, Zosteraceae)의 생태 및 분류학적 특성에 대한 연구 : I. 포기거머리말(Zostera caespitosa Miki)의 서식 환경과 형태적인 특징)

  • Lee, Sang-Yong;Kim, Tae-Jin;Heo, Seung;Choi, Chung-Il
    • The Korean Journal of Ecology
    • /
    • v.24 no.3
    • /
    • pp.149-156
    • /
    • 2001
  • Zostera caespitosa Miki has been identified to be distributed along the seacoasts of Korea and Japan. This study was intended to clarify the morphological characters and the habitat characteristics of Korean Z. caespitosa. It was confirmed that Z. caespitosa is distributed along the seacoasts of South, Yellow and East Seas of South Korea. The habitats were located in the bay and port with the depth varying from 2.5 to 5.2 m. The habitats of Z. caespitosa were rather deeper than that of mixed bed with Z. marina. The sediment in the habitats was composed of well-sorted fine sand or muddy sand. Z. caespitosa showed marked differences in several morphological characters among sites. Morphology of Z. caespitosa varied with water depths, grain size and organic contents of sediments. Flowering shoots occurred by water temperature of 6.0∼13.7℃ from January to early April.

  • PDF

Development of environmental measurement system for Greenhouse (I) - Indoor and Outdoor Environments - (시설원예용 환경 계측시스템 (I) - 지상부 및 외기 환경 -)

  • 류관희;홍순호;김효중
    • Proceedings of the Korean Society for Bio-Environment Control Conference
    • /
    • 1995.04a
    • /
    • pp.55-56
    • /
    • 1995
  • 작물의 생육환경을 계측하기 위한 환경 센서는 공업용으로 이용되는 센서들과는 달리 작물의 적정 생장환경 범위 내에서의 정확도와 안정성이 중요하고, 온실 환경에 대한 내구성 및 신뢰성이 요구되며, 가격이 저렴하고, 소형ㆍ경량화가 이루어져야 한다. 또한, 생장환경 변화로써 작물의 생장량을 증대시킬 수 있도록 하기 위해 생장환경 자료를 수집ㆍ분석할 수 있는 시스템도 필요하다. (중략)

  • PDF

Analysis of Temperature and Ventilation Characteristics in Tissue Culture System (조직배양 시스템 내의 온도 및 환기특성 분석)

  • Lee, Hoon;Son, Jung-Ik
    • Proceedings of the Korean Society for Bio-Environment Control Conference
    • /
    • 1999.11a
    • /
    • pp.225-228
    • /
    • 1999
  • 기내 조직배양묘의 생육에 가장 큰 영향을 미치는 주요 환경 요인으로 광, 온도, $CO_2$, 배지 등이 있다. 이중 광, 온도 및 $CO_2$ 가스는 기외로 부터 공급을 받거나 제어 할 수 있는 요인으로써 배양체의 생육에 있어 매우 중요하다. 배양 챔버내의 환경 제어는 용이하지만, 배양체에 직접적인 영향을 주는 용기내의 환경 계측은 용이하지 않다. 실제 배양체의 생육에 가장 큰 영향을 미치는 용기 내 환경과 배양 챔버의 환경은 큰 차이를 나타내기 때문에 조직배양용기내의 미기상 환경에 대한 분석은 필요하다. (중략)

  • PDF

Effect of External Light Environment and Growing Degree Days on Strawberry Production (외부 광환경 및 생육도일온도가 딸기 생산량에 미치는 영향)

  • Lee, Taeseok;Kim, Jingu;Park, Seokho;Lee, Jaehan;Han, Kilsu;Moon, Jongpil
    • Journal of Bio-Environment Control
    • /
    • v.31 no.4
    • /
    • pp.432-437
    • /
    • 2022
  • In this study, strawberries were grown during the two cultivation periods (first: 2020-2021, second: 2021-2022) to analyze the effect of the external light environment and growing degree days (GDD) on crop production. The temperature and humidity during day in a greenhouse in each cultivation period were similarly managed. At night, there was a statistical difference in temperature and humidity in the greenhouse between two periods. The accumulated solar radiation during the first cultivation period was high in September and October. Since January, the accumulated solar radiation during the second cultivation period was high. In the second cultivation period, the initial yield was small because the accumulated solar radiation and GDD was small. But accumulated yields and potential maximum yields in second cultivation period were larger than yields in the first cultivation period as the accumulated solar radiation and GDD increased. The sugar contents of strawberry decreased as GDD increased.

Study Growth Environmental Monitoring and Controlling Platform for Hydroponic (양액재배를 위한 생육환경 모니터링 및 제어 플랫폼에 관한 연구)

  • Yeon, In-won;Lee, Won-cheol
    • The Journal of Korean Institute of Communications and Information Sciences
    • /
    • v.41 no.9
    • /
    • pp.1132-1140
    • /
    • 2016
  • According to global trend, despite the overall scale of agricultural industry has been downsized, agriculture accommodating cutting-edge ICT technologies has been proliferated, and various timely-issued relevant researches have been on progress to deploy the future food cultivation. In this paper, we propose an effective nutrient management system with web-based monitoring with functionality of controlling temperature, humidity, pH (hydrogen ion), EC (Electric Conductivity), LED and cooling fan to maintain the hydroponic nurturing environment being optimal. In this paper, in order the arduino hardware and java software are employed to control the nurturing environment automatically in optimal fashion. In proposed system, due to the usage of WiFi router with the socket communication and DB-assisted Web server with proper interfaces, it allows to facilitate the management to keep monitoring and controling overall hydroponic nurturing environment. Since the proposed Web-based management system provides the superior reliability, the short nurturing period and the robustness to the pest by controlling LED emitting color rather than conventional system, so it can be applied and appropriate for in-house vegetable factory overcoming limitation of time and location.

The Growth Characteristics of Ligusricum chuanxing Hort. according to Cultivation Environment (재배지 환경에 따른 토천궁의 생육특성)

  • Hong Woo Park;Ki Yoon Kim;Dae Hui Jeong;Hyun-Jun Kim;Chung Ryul Jung;Yurry Um;Kwon Seok Jeon
    • Proceedings of the Plant Resources Society of Korea Conference
    • /
    • 2020.08a
    • /
    • pp.98-98
    • /
    • 2020
  • 본 연구의 목적은 약재로 사용되는 천궁 중 토천궁(Ligusricum chuanxing Hort.)에 대한 지역별 생육환경을 확인하고 이에 따른 지상부 및 지하부 생장과의 상관관계를 규명하여 토천궁의 적정 재배지역 확인 및 지속 가능한 안정적인 한약재 생산에 대한 기초자료로 사용함에 있다. 토천궁이 주로 재배되고 있는 봉화군, 영양군, 평창군과 더불어 기후변화에 의한 재배지 이동을 고려하여 고위도 지역인 인제군을 포함한 4지역의 재배지를 선정하였으며, 생육특성을 비롯 기상 및 토양환경을 분석하여 토천궁의 생육특성과의 상관관계를 분석하였다. 4지역의 재배지 중 지상부와 지하부의 전체적인 생육은 평창지역에서 유의적으로 높게 확인되었다. 그리고 생육특성과 기상환경과의 상관관계에서 대기 및 토양온도가 지상부의 전체높이, 줄기직경, 지하부의 생육특성과 P < 0.01수준에서 유의적인 음의 상관관계, 잎의 길이 및 너비와는 양의 상관관계를 보였다. 또한 일사량이 높아질수록 잎의 크기를 제외한 생육특성이 양의 상관관계를 나타냈는데 이는 대기 및 온도의 상승으로 인한 잎의 증발산율 상승과 일사량에 따른 잎의 광합성량의 차이에 의한 결과라 사료된다. 또한 토양특성과의 상관관계에서 OM과 N, P, K는 지상부의 전체 높이와 줄기 직경을 비롯한 지하부의 생육특성과 음의 상관관계를 보였는데 근권의 토양시료를 사용하여 분석한 것이라 실질적으로 토천궁의 생육에 필요한 토양의 성분이 OM과 N, P, K이며, 토천궁에 의해 흡수되었다고 판단되는데 생육이 가장 우수했던 평창지역 토양 내 OM(1.69%)과 N(0.09%), P(897.72mg/kg), K(0.21cmol+/kg)의 수치가 타 지역 대비 상대적으로 낮게 측정된 결과가 본 실험에서 확인된 생육에 대한 OM, N, P, K의 함량과 부의 상관관계를 지지하며, 본 연구의 결과는 향후 토천궁의 재배지 선정 및 재배기술 정립에 활용할수 있을 것이라 사료된다.

  • PDF

Morphometric Analysis of Zostera marina L. Found in Various Habitats Along the Eastern Coast of Korea (동해안에 자생하는 거머리말(Zostera marina L.)의 생육지 분포에 따른 형태 분석)

  • 권천중;이상용;최청일
    • Korean Journal of Environmental Biology
    • /
    • v.20 no.1
    • /
    • pp.66-72
    • /
    • 2002
  • The intraspecific variability, habitats, and morphological characteristics of eelgrass (Zostera marina L.) along the eastern coast of Korea were examined during June to August 1998. Morphological characteristics including shoot height, leaf length, leaf width, number of leaf veins, and shape of leaf apex were measured, and eelgrass habitats were analyzed using character correlation, principal components and cluster analyses. The morphological characteristics varied with the habitat types and water depth. Eelgrass beds distributed mostly in lagoons, ports and bays along the east coast of the Korean peninsula. The quantitative morphological features that enabled recognition of the two phonetic groups were short- narrow and long-broad leaf types. Leaf apex in particular varied with the habitat characteristics.

Implementation of Swinery Integrated Management System in Ubiquitous Agricultural Environments (유비쿼터스 농업환경에서의 돈사 통합관리 시스템 구현)

  • Hwang, Jeong-Hwan;Lee, Meong-Hun;Ju, Hui-Dong;Lee, Ho-Chul;Kang, Hyun-Joong;Yoe, Hyun
    • The Journal of Korean Institute of Communications and Information Sciences
    • /
    • v.35 no.2B
    • /
    • pp.252-262
    • /
    • 2010
  • Recently, the USN (Ubiquitous Sensor Network) technology is emerging as an aspect of digital convergence trends which is being rapidly evolving in the whole society. The technological feasibility for the various application services using the USN is researched in numerous industries, but, in the agricultural field, the market of USN application service, technology adoption and commercialization have been delayed. In the agricultural field, the ubiquitous technologies could lead to huge change in the conventional surroundings such as growth environment of livestock, crop cultivation and harvest. In this paper, to offer a integrated management, we construct a u-swinery(ubiquitous swinery) system which is consisted with USN environmental sensors to collect information from physical phenomenon such as luminance, relative humidity, temperature and ammonia gas. Numbers of CCTV were also installed to monitor inside and outside of the swinery. The u-swinery integrated management system can monitor and control the condition of swinery from remote sites. Furthermore, by gathering the cumulative environmental data from the system, the optimal growth condition for the livestock could be created.

Distribution of Zostera (Zosteraceae) ana Habitat Characteristics in the Eastern Coastal Waters of Korea (동해안에서 자생하는 거머리말속 (Zostera Zosteraceae) 식물의 분포와 생육지 환경)

  • LEE Sang Yong;KWON Chun Joong;CHOI Chung Il
    • Korean Journal of Fisheries and Aquatic Sciences
    • /
    • v.33 no.6
    • /
    • pp.501-507
    • /
    • 2000
  • Distribution and habitat characteristics of Zostera (Zosteraceae) in the eastern coast of Korea were examined along with plant monohology, sediment composition and physicochemical factors of seawater from June 1998 to July 2000, The results showed that three species, Zostera marina, Z. asiatica and Z, caespitosa were found in specific habitats. The depth of habitat for Z. asiatica was deeper ($8.5{\~}15.0 m$) than that of Z. marina ($1.3{\~}5.6 m$) and Z. caespitosa ($3.2{\~}5.2 m$). Z. marina beds were observed at brackish-water, port and inner bay with the sediment type of sand or muddy sand. Habitats of Z. asiatica were restricted to the open bay with the sediment type of sand, Zostera have been described with regard to different growth forms of vegetation, flowering shoot and life history. Vegetation and flowering shoot length varied significantly with habitats; values ranged $66.8{\~}110.0 cm$ and $128.0{\~}217,8 cm$, respectively. Morphology of Z. marina varied with water depth and different substrates. Morphological characteristics of Z. asiatica showed a new phenotype at the deeper water depth. Vegetation and flowering shoots of Z. caespitosa were not significantly different between study sites (values ranged from 64.9 cm to 70.3 cm). Nutrient concentrations of seawater were higher at southern part than at middle part of the eastern coast of Korea. Distribution of Zostera in the eastern coast of Korea was dependent upon differences in water depth and habitat environments, by which affected the morphological differences were affected.

  • PDF