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Selection of Native Plants for Mixed Planting with 'Damogy' Cultivar of Gomchwi as Wild Vegetable on Landscape Agriculture in Highland Area (고랭지 산채류 경관농업을 위한 곰취 '다목이'와 혼식용 자생식물 선발)

  • Yoo, Dong-Lim;Kim, Ki-Deog;Suh, Jong-Teak;Lee, Yeong-Gyu;Baek, Gye-Lyeong;Lee, Gye-Jun;Kwon, Min;Yu, Hong-Seob;Nam, Jung-Hwan
    • Proceedings of the Plant Resources Society of Korea Conference
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    • pp.58-58
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    • 2018
  • '다목이'는 일반 곰취를 모본으로 한대리곰취를 부본으로 교배하여 병에 강하고 수량성이 뛰어난 특성을 가진 곰취 신품종으로 고령지농업연구소에서 육성하였다. 경관농업은 청정 농산물의 생산, 가공과 서비스가 연계된 농업의 6차산업화를 대표하는 농업형태이다. 곰취를 이용한 산채류 경관농업을 구현하기 위해 '다목이'와 자생식물의 혼식을 통한 친환경 생산기술을 개발코자 하였다. 인공상토로 채운 화분에 곤달비와 삼백초, 백리향, 라벤더 등 국내 외 자생식물을 혼식하여 각 식물의 지상부와 지하부 생육을 조사하였다. 삼백초, 라벤더, 이질풀, 웜우드, 어성초는 '다목이'와 혼식하여 지상부 생체중 214.1~362.4g, 지하부 생체중 171.0~258.5g으로 생육이 대등하거나 양호한 결과를 보였다. 반면에 생강과 박하는 '다목이'의 생육량을 지상부 생체중 90.9~123.6g, 지하부 생체중 54.0~110.3g으로 현저히 감소시켰다. 백리향과 좀씀바귀, 제충국, 옥잠화는 '다목이'에 의해 생육이 극도로 저하되거나 고사하였다. 배초향은 '다목이'와 서로의 생육이 감소된 것으로 나타났다. 따라서 '다목이'와의 혼식은 경관농업의 목적에 따라 삼백초, 라벤더, 이질풀, 웜우드, 어성초가 적합한 것으로 생각되었다.

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Assessment of Sustainable Production on Paddy Field Treated with Green Manure Crops Using Sustainability Index

  • Kim, Kwang Seop;Kim, Sook-Jin;Park, Ki Do;Lee, Choon-Woo;Ryu, Jin-Hee;Choi, Jong-Seo;Jeon, Weon-Tai;Kang, Hang-Won;Kim, Min-Tae
    • Korean Journal of Soil Science and Fertilizer
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    • v.47 no.3
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    • pp.165-171
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    • 2014
  • Assessment of sustainable production on a cropland can help to determine the most proper management practices. In this study, we evaluated the sustainable production on paddy field treated with green manure crops using sustainability index which based on nutrient index, microbiological index, and crop index related to nutrient-supplying capacity. Especially choosing appropriate indicators from a minimum data set (MDS) were used the principal components analysis (SI-2) as well as expert opinion (SI-1) usually used in sustainability index. Six treatments including the two tillage treatments and two green manure crops were investigated as follows; (i) moldrotary + rotary tillage without green manure crop (Con), with (ii) hairy vetch (Con-HV), and (iii) hairy vetch + green barely (Con-HV+GB), (iv) rotary tillage without green manure crop (Rot), with (ii) hairy vetch (Rot-HV), and (iii) hairy vetch + green barly (Rot-HV+GB). Con-HV and Rot-HV in SI-1 were maintained sustainability while Rot-HV and Rot-HV+GB in SI-2. Especially, treatments (Con and Rot) without green manure crops were more unsustainable than with green manure crops because of the low value of microbiological and crop index than with green manure crops. Meanwhile, sustainability indices and grain yield had the high correlation values ($R^2=0.756$ and 0.928 in SI-1 and SI-2, respectively). These results meant that application of green manure crops such as hairy vetch could improve both yield and soil quality in paddy.

Nitrogen Fertilization on the Growth of Rape (Brassica napus L.) in Newly Reclaimed Land in Korea

  • Yang, Chang-Hyu;Kim, Taek-Kyum;Kim, Sun;Baek, Nam-Hyun;Choi, Weon-Young;Lee, Jang-Hee;Jung, Jae-Hyeok;Lee, Yong-Hwa;Kim, Si-Ju;Lee, Kyeong-Bo
    • Korean Journal of Soil Science and Fertilizer
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    • v.44 no.4
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    • pp.597-599
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    • 2011
  • This study was conducted to find out the optimum nitrogen application rate for the stable production of rape in the newly reclaimed land located at Gangwhal region of Saemangum reclaimed land in which the soil is sandy loam (Munpo series). There were five treatments of nitrogen fertilization from zero to 60% increment based on the standard fertilization of $150kg\;ha^{-1}$. The growth of rape (Sunmang) was not affected by salt content while soil salinity was increased at blossoming season of rape. Compared to yield of standard fertilization the yield and the content of oleic acid of rape were increased by 4~26% with the increasing additional nitrogen fertilizer. The results obtained from the growth and yield of rape in this study indicated that it was possible to cultivate rape in a newly reclaimed land if soil salinity was kept below $3dS\;m^{-1}$.

Inhibiting Effect of Powdery Mildew Progress on Native Plants Mixing with Ligularia stenocephala (곤달비와 자생식물의 혼식을 통한 흰가루병 진행 억제 효과)

  • Yoo, Dong-Lim;Kim, Ki-Deog;Suh, Jong-Teak;Lee, Yeong-Gyu;Baek, Gye-Lyeong;Lee, Gye-Jun;Kwon, Min;Yu, Hong-Seob;Nam, Jung-Hwan
    • Proceedings of the Plant Resources Society of Korea Conference
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    • pp.81-81
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    • 2018
  • 곤달비는 국화과에 속하는 대표 산채로 쌈용으로 많이 소비되고 있다 곤달비를 경관농업의 소재로 6차산업화하기 위한 친환경 생산기술을 개발코자 하였다 곤달비의 재배 중 흰가루병 발생은 가장 큰 문제로 자생식물과의 혼식을 통해 병의 진행 억제효과를 구명코자 하였다 천궁과 당귀를 곤달비와 함께 인공상토로 채운 화분에 1주씩 혼식하였고 곤달비만 심은 대조구를 두었다 흰가루병 접종은 포자를 곤달비에 발생시킨 후 접종하였다 약 7일의 흰가루병 발생기를 거친 후 6월 4일~6월 21일까지 2~3일 간격으로 진행률을 조사하였다 조사결과는 병의 진행률을 계량하기 위해 효율적인 AUDPC(Area Under the Disease Pogress Curve) 방법을 적용하여 분석하였다 천궁 당귀와 혼식한 결과는 곤달비의 흰가루병은 동시에 발생하였다 곤달비만 심은 대조구는 병 발생 후 5일 간 가파르게 증가하였으나 천궁과 당귀와 혼식 처리구는 완만한 증가세를 보였다 6월 21일의 AUDPC 수치와 비율은 대조구가 602.3(1.00), 천궁 혼식구가 265.8(0.53), 당귀 혼식구는 226.1(0.45)로 혼식구가 대조구에 비해 50% 이하의 진행률을 나타냈다 통계처리 결과 대조구와 혼식구 간 1%의 유의성을 나타냈다 당귀가 가장 높은 억제율을 보였으며 이러한 원인에 대한 추가 분석이 요구된다.

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Effects of Plant Types and Cultivars on Pod Yield in Late Seeding Peanut

  • Pae, Suk-Bok;Kim, Jung-Tae;Shim, Kang-Bo;Hwang, Chung-Dong;Chung, Chan-Sik;Lee, Myung-Hee;Park, Keum-Yong
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.52 no.1
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    • pp.55-59
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    • 2007
  • This experiments were conducted to evaluate suitable plant-type and cultivars for producing fresh pod peanut from late seeding as succeeding crop, compared with early seeding as proceeding crop or single cropping. 12 cultivars according to grain weight and plant types, 6 virginia typed cultivars(ssp. hypogaea) and 6 shinpung typed cultivars(ssp. fastigiata), were used for early and late seedings. The plant growth and yield potential in early seeding were better than those in late seeding. But the ratios of dry/fresh pod and of mature pod in late seeding were higher than those of early seeding. The yield of fresh pod by cultivars in two seeding times showed significant correlation with pod scale such as fresh pod weight, 100-grain weight, and dry seed yield positively, but pod number negatively in early seeding only. Yield of fresh peanut between Virginia and Shinpung types didn't show significant difference in early seeding, but showed in late seeding. Average yield of Virginia typed cultivars showed significantly higher than that of Shinpung typed ones. This yield gap between two plant types was the same tendency on extending seedings to July 20.

Optimum Milling Degree for Improving Sensory Quality of Cooked Rice (식미 증진을 위한 최적 도정도 구명)

  • Lee, Jeom-Sig;Park, No-Bong;Lee, Jong-Hee;Cho, Jun-Hyeon;Won, Yong-Jae;Park, Hyang-Mee;Chun, A-Reum;Jang, Jae-Ki;Gwak, Do-Yeon;Song, Yu-Cheon;Hwa, Woon-Gu;Yi, Gi-Hwan;Yeo, Un-Sang
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.57 no.4
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    • pp.359-364
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    • 2012
  • We conducted this study to identify the optimal milling degree for improving sensory quality of cooked rice and minimizing yield loss. The samples were analyzed for their physicochemical properties and sensory qualities using five different degree of milling(5.5~13.5%, based on brown rice). With increasing of milling degree, amylose content, breakdown, adhesiveness of cooked rice increased, whereas protein content, Mg/K equivalence ratio, fat content, setback and hardness of cooked rice decreased. In sensory quality test, the preference was significantly higher in the 9.5% and 11.5% milling degree. However, considering the yield of milled rice, the optimal milling degree for improving sensory quality of cooked rice was 9.5%.