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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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Organic farming system has been considered environmental friendly and sustainable agricultural practice. However, the influence of organic farming onsoil quality and environment is not well informed and controversial. We sampled and analyzed 0~15 cm and 15~30 cm depth soils of organic andconventional paddy fields in Yongin and Anseong. The electric conductivity and organic matter content of organic paddy soil were significantly less (p= 0.0097, 0.0067, respectively) than those of conventional paddy soil. Available phosphate and total phosphorus in 0~15 cm depth of organic paddy soilwere 211.1±135.3, 872.4±286.3 mg/kg, respectively, less than those of conventional paddy soil. Available phosphate amount in conventional paddy was358.8±246.7 mg/kg, which is higher than 300 mg/kg that can cause secondary environmental contamination by runoff. The amount of total nitrogen inorganic paddy soil was less than that in conventional paddy while their difference was not significant. The concentration of the heavy metals in organicpaddy soil was also lower than that in conventional paddy soil but their difference was not statistically significant. Our findings demonstrate that electricconductivity, organic matter, nutrients, and heavy metals in organic paddy soil were less than those in conventional paddy soil. However, additionalmonitoring of soil properties for longer period is necessary to certify such a conclusion.
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참고문헌 (25)
참고문헌 신청
Arnhold, S. / 2014 / Conventional and organic farming : Soil erosion and conservation potential for row crop cultivation / Geoderma 219 : 89 ~ 105
Cho, J. Y. / 2002 / N and P losses from a paddy field plot in central Korea / Soil Science and Plant Nutrition 48 : 301 ~ 306
Kim, H. N. / 2012 / Evaluating soil quality in farmland of organic farming system / 석사 / Kangwon National University
Kim, P. J. / 2000 / Characteristics of phosphorus accumulation in organic farming fields / Korean Journal of Soil Science and Fertilizer 33 (4) : 234 ~ 241
Korea Rural Economic Institute / 2005 / A study for analyzing environmentally-friendly rice's production, distribution, consumption and promoting its competitiveness
Cho, J. Y. / 2002 / N and P losses from a paddy field plot in central Korea / Soil Science and Plant Nutrition 48 : 301 ~ 306
Kim, H. N. / 2012 / Evaluating soil quality in farmland of organic farming system / 석사 / Kangwon National University
Kim, P. J. / 2000 / Characteristics of phosphorus accumulation in organic farming fields / Korean Journal of Soil Science and Fertilizer 33 (4) : 234 ~ 241
Korea Rural Economic Institute / 2005 / A study for analyzing environmentally-friendly rice's production, distribution, consumption and promoting its competitiveness
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