• Title/Summary/Keyword: 유기재배

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Comparison of Soil Microbial Communities to Different Practice for Strawberry Cultivation in Controlled Horticultural Land (시설 딸기의 재배방법에 따른 토양 미생물군집 비교)

  • Min, Se-Gyu;Park, Su-Seon;Lee, Young-Han
    • Korean Journal of Soil Science and Fertilizer
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    • v.44 no.3
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    • pp.479-484
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    • 2011
  • Fatty acid methyl ester (FAME) profiles were used to describe differences in soil microbial communities influenced by conventional farming system (CFS), conventional farming system without pesticides (CFSWP), and organic farming system (OFS) for strawberry cultivation in controlled horticultural land. In comparison to the CFS soils, the average soil microbial biomasses of in the OFS soils were approximately 1.2 times for total FAMEs ($195nmol\;g^{-1}$), 1.4 times for total bacteria ($58nmol\;g^{-1}$), 1.5 times for Gram-negative bacteria ($27.3nmol\;g^{-1}$), 1.2 times for Gram-positive bacteria ($26.1nmol\;g^{-1}$), and 1.5 times for actinomycetes ($2.8nmol\;g^{-1}$). The microbial communities of total bacteria (p<0.05) and Gram-negative bacteria (p<0.05) in the OFS and CFSWP soils were significantly higher larger than those in the CFS soils. However, fungal structure was significantly greater in CFS than in OFS and CFSWP (p<0.05). In principal component analyses of soil microbial communities, our findings suggest that actinomycetes should be considered as potential factor responsible for the clear microbial community differentiation observed between OFS and CFS in controlled horticultural land.

유기농법(자연농법)의 가능성과 현실

  • 죽송철부
    • The Bimonthly Magazine for Agrochemicals and Plant Protection
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    • v.11 no.3 s.96
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    • pp.10-14
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    • 1990
  • 유기농업은 농작물의 재배에 있어서 농약 및 화학비료등의 사용을 거부하고 퇴비와 인력, 기계력만으로 농작물을 가꾸려는 재배법을 말한다. 현재 지구의 인구는 해마다 1억씩 불어나고 있다. 지금 유기농업으로 되돌아 간다면 틀림없이 인류의 45억 이상이 굶어죽게 될 것이다.

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The Health & Organic Farming-s178 (건강과 자연농업-제178호)

  • Korea Organic Farming Association
    • THE HEALTH and ORGANIC FARMING
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    • no.178
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    • pp.1-24
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    • 2002
  • 2004년이후수입쌀의홍수를막아내는길은 유기재배쌀의생산기반을확립시키는것뿐/제비마져돌아오지않는나라/무사마귀병[일명혹부리병]의실제/벼논 오리로 실천하는 유기농업/수급조절효과 큰 친환경농업 정부보조금 되레 줄여/친환경농업은 생산자의의무/유기농업에의한과수(단감) 재배(2)/5월중 농사정보-유기농업 실천기술/질병치료의지름길은생활습관의개선(4)/그린농법[8] 수도작편-[초전박살]로초전박살을…/유기농업 뉴스클리핑/고추 역병과 고추 탄저병 의 방제/본회 토막소식

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The Health & Organic Farming-s176 (건강과 자연농업-제176호)

  • Korea Organic Farming Association
    • THE HEALTH and ORGANIC FARMING
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    • no.176
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    • pp.1-24
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    • 2002
  • FAO/WHO Codex 유기식품규격에맞추어나가자./청와대오찬/일본의유기농업과 제1회Bio Fach Japan(일본유기산업전람회)견학기(하)/벼논 오리로 실천하는 유기농업 (1)/작물의필수원소와 미생물의역할/게르마늄 효능이란?/친환경농업은 생산자의의무/유기농업에의한과수(배) 재배(20)/질병치료의지름길은생활습관의개선/벼재배, 파종에서수확까지/천적을 이용한 생물적 방제방법/유기농업에 있어서 미생물의 중요성과 사용법/본회 토막소식

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건강과 자연농업-제210호

  • Korea Organic Farming Association
    • THE HEALTH and ORGANIC FARMING
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    • no.210
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    • pp.1-12
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    • 2005
  • 을유년유기농설계를 실천적으로 수립하자/친환경유기농산물의 나노산업화에 앞장서자!!/맛 좋은 쌀 생산방법/쌀겨를 이용한 제초효과/유기농업의 기초/현직 병원장도 깜짝 놀랐던 유기농산물의 치료 호전효과! !/제주도 친환경유기농산물한마당장터 성료/친환경유기농산물 소비.유통의 활성화 방안/금수강산 비료는 어떠한 비료인가?/순환농업의 지역별 유형/국제기준에 의한 유기농산물 생산기술/에너지순환과 토양 관리/딸기 흰가루병의 방제대책/가축분뇨 퇴비 품질기준 및 퇴비화 악취 저감기법/유기재배 쌀과 일반재배 쌀의 품질 특성 연구/은으로 짓는 농사

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Investigation of the Utilization of Organic Materials and the Chemical Properties of Soil in the Organic Farms in Korea (국내 유기농재배지 유기물 시용실태 및 토양의 화학적 특성)

  • Lee Yong-Hoan;Lee Sang-Guei;Kim Sung-Hoan;Shin Jae-Hoon;Choi Doo-Hoi;Lee Yun-Jeong;Kim Han-Myeng
    • Korean Journal of Organic Agriculture
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    • v.14 no.1
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    • pp.55-67
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    • 2006
  • A survey of 31 organic farmers were conducted to investigate the actual conditions of organic matter application. The amounts of organic matter application in the fields were higher in order of fruit, vegetable and rice farm. The average was 50 ton/ha in vegetable farms. In the green vegetable farms saw dust and animal manure were mainly utilized to make compost. Rice straw, wood chip, and forest bushes were also used for composting. In the fruit vegetable farms materials relatively lower in nitrogen content such as rice straw and cattle manure were used in vegetative period and materials higher in nitrogen content such as oil cake and wild grass were used in reproductive phase. Nutrient balance investigated in the farm in Icheon region who produce lettuce, angelica, and kale continuously in one cropping year indicated surplus in three major nutrients. Nitrogen and phosphorous were in excess by 29 and 10 kg respectively in the organic rice farm in yang-pyoung region. While soil chemical properties in the organic farms are within the adequate range in open field, it is much higher than the limits in the greenhouse soils. Overall application of organic matter is in an oversupply state. This results suggested that the organic matter management should be based on the soil conditions for sustainable cultivation. Chemical composition of organic matters and soil test reports should be considered prior to the application of organic matter.

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Effects of No-Tillage on Pepper Growing in the Greenhouse with Organic Soil (시설 고추 무경운 유기재배 효과)

  • Yang, Seung-Koo;Seo, Youn-Won;Kim, Hyun-Woo;Kim, Byeong-Ho;Kim, Yong-Sun;Im, Gyeong-Ho;Kim, Hong-Jae;Kim, Jeong-Geun
    • Proceedings of the Korean Society of Organic Agriculture Conference
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    • 2009.12a
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    • pp.287-287
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    • 2009
  • 우리나라의 시설재배면적은 51,237ha에 이르며 수경재배 면적을 제외하면 대부분 경운재배를 하고 있는 실정이다. 경운 작업은 대형 농기구를 이용하여 경운하기 때문에 시설내 토양 입자가 단립으로 잘게 부서지며 대형농기구로 인하여 토양이 답압되고 경운층 아래 경반층이 형성되어 뿌리 발육과 배수 불량의 원인을 제공하게 된다. 경운은 기존에 설치되어 있는 관수시설과 지주, 멀칭을 제거한 후 유기물을 투입하고 2~3회 경운작업 후 다시 소형농기구를 이용하여 이랑을 조성한다. 그리고 제거된 관수시설, 멀칭, 지주를 다시 설치하여야 하기 때문에 시설의 경운재배는 가장 고통스러운 악성노동을 수반하게 된다. 따라서 본 시험에서는 시설 고추 유기재배 시 무경운재배 효과에 대하여 검토하고자 전남 나주시 남평읍 평산리 "JD 중동통 미사질양토"에서 시험을 수행하였다. 2009년 3월 11일 "녹광" 고추 품종을 재식 거리 135${\times}$38cm로 정식하여 7월 27일까지 재배한 후, 시험포를 1/2로 나누어 트렉터를 이용하여 경운작업을 실시하고 2009년 8월 1일 억제작형으로 "녹광" 고추 품종을 정식하였다. 그리고 나머지 시험포 1/2은 전작물을 재배한 이랑에 경운작업을 생략하고 전작물 고추의 식물체는 지제부를 절단하여 분해되도록 고랑을 피복하였으며, 고추 포기와 포기 사이에 무경운으로 고추를 정식하여 시험을 수행하였다. 고추 정식 전 7월 30일에 경운 시험포에 10a당 29톤의 물을 관수하였으며, 무경운 시험포에는 10a당 48톤의 물을 관수하고, 관수 2일 후 시험포의 습도와 이랑에 발생되는 균열수를 조사하였다. 이랑의 수분함량은 표토 0.23%, 토양 30cm 깊이의 수분함량은 0.18%로 경운방법에 따라서 차이가 없었으나 토양 20cm 깊이의 수분함량은 경운은 0.25%, 무경운은 0.14%로 경운재배 토양에 비하여 뿌리의 주요 분포지역인 작토층의 수분함량이 44% 정도 낮았다. 그리고 경운재배 이랑에서는 7~35cm 정도 되는 균열이 m당 22개정도 발생되었으나 무경운에서는 관찰되지 않았다. 시설 토양의 생물다양성 지표가 되는 미소동물의 분포를 조사한(9월 16일) 결과 경운재배 토양에서는 보리톡톡기 등 8종 97개체가, 무경운 토양에서는 10종 101개체가 포획되었다. 경운 방법에 따른 시설 유기재배 고추의 수확과수는 주당 139~141과, 수량은 1,367~1,431g/주가 수확되고 10a당 수량은 경운재배가 2,790kg, 무경운재배는 2,666kg이 생산되어 경운방법에 따른 수량 차는 인정되지 않았다. 경운방법에 따른 경영비를 분석한 결과 무경운은 경운재배에 비하여 10a당 유기질 비료비 178천원, 대농구상각비 211천원, 노력비 261천원의 절감으로 경운재배 경영비 4,815천원/10a 대비 약 14%의 경영비가 절감되었다. 그리고 작기마다 반복되는 경운작업과 관수시설, 멀칭, 지주설치 작업을 1회 설치 작업으로 연속사용이 가능하여 시설재배에서 가장 고통스러운 악성노동의 회피가 가능하였다.

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Comparative Analysis of Functional Components of Organic and Conventional Cultivated Fruit Vegetables Commercially Distributed in Korea (유통 중인 유기재배과채류와 관행재배과채류의 무기성분 및 기능성 성분 비교분석)

  • Lee, Min-Woo;Park, Jae-Eun;Jang, Eun-Jin;Son, Hong-Ju;Park, Hyeon-cheol;Hong, Chang-Oh;Lee, Sang-Beom;Shim, Chang-Ki;Ko, Beung-Goo;Kim, Keun-Ki
    • Journal of Life Science
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    • v.27 no.10
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    • pp.1176-1184
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    • 2017
  • The contents of inorganic and functional components in the organic Cheongyang pepper, tomato, and strawberry were compared with those of the conventional produce. The analyzed functional components were total phenol, total flavonoid, vitamin C, vitamin E, ${\beta}-carotene$, and capsaicin in Cheongyang peppers; lycopene in tomatoes; and anthocyanin in strawberries. The analyzed inorganic components were total N, Zn, Fe, Ca, Mg, Na, K, and P. The total phenol contents of Cheongyang peppers and tomatoes were 14% and 30% higher, respectively, in the organic vegetables than the conventional ones, whereas strawberries had 13% higher components than the conventional ones. The total flavonoid contents of the Cheongyang peppers and tomatoes were 11% and 29% higher, respectively, than in the conventional produce, but those of the strawberries were 100% higher than in conventional strawberries. Vitamins were mostly higher in organic cultivation products, but there was no significant difference. The ${\beta}-carotene$ content was 22% higher in organic tomatoes, but conventional strawberries and peppers had more ${\beta}-carotene$ than the organic types did. The contents of capsaicin and lycopene were no different between the various cultivations, while anthocyanin was higher in the conventional cultivation. Analysis of inorganic components did not differ between cultivation methods for peppers and tomatoes, and the total N, K, and P contents were higher by 20-28% in the conventional cultivation. The contents of K, Ca, Mg, and P were 16-29% higher in the conventional cultivation of strawberries. Depending on the crops, there were many syntheses of functional components in the organic cultivation. This was thought to be due to nutrients and environmental stress.

Comparison of Fruit Quality and Antioxidant Compound of 'Niitaka' Pear Trees Grown in the Organically and Conventionally Managed Systems (유기재배와 관행재배 된 배의 과실품질과 항산화 활성 비교)

  • Choi, Hyun-Sug;Li, Xiong;Kim, Wol-Soo;Lee, Youn
    • Korean Journal of Environmental Agriculture
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    • v.29 no.4
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    • pp.367-373
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    • 2010
  • The study was established to compare fruit qualities and antioxidant compounds in 'Niitaka' pear (Pyrus pyriforia) trees grown in the organic and conventional farming systems. Fruits in the organic system appeared to have dark red color on the fruit surface. Fruit weight, soluble solids, acidity, firmness, and stone cells were not different between the farming systems. Organic fruits had a greater potassium concentration than the conventional fruits, but phosphorous, calcium, and magnesium concentrations in fruits were not different between the treatments. Peel, flesh, and juice parts in the organic fruits had greater phenolic compounds compared to the conventional fruits. Peel parts had much greater antioxidant compounds than the flesh parts, regardless of the treated-fruits. All fruits grown in the conventional and organic systems had a similar DPPH ($\alpha$, $\alpha$-diphenyl-$\beta$-picryl-hydrazyl) radical-scavenging activity in the peel, but flesh parts in organic fruits had a greater DPPH than the conventional fruits. Phenol and flavonoid compounds in the peel and flesh were positively related to the DPPH radical-scavenging activity. There were no significant differences for the nitrite scavenging activity in the peel and flesh parts between the treatments.