An Investigation on the Environmental Factors of Certified Organic and Non-pesticide Paddy Soils Cultivating Rice at Goseong-Gun

Joo, Heui Sig; Cho, Young Son; Chun, Hyun Sik

doi:10.5352/jls.2014.24.4.403

Journal of Life Science

2014

DOI: 10.5352/jls.2014.24.4.403

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An Investigation on the Environmental Factors of Certified Organic and Non-pesticide Paddy Soils Cultivating Rice at Goseong-Gun

Heui Sig Joo¹,

Young Son Cho²,

Hyun Sik Chun

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Cited by 3 publications

References 10 publications

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Assessment on Environmental Characteristics of Organic Paddy and Conventional Paddy by Comparing Their Soil Properties and Water Quality

Lee¹,

Gu²,

Park³

2016

Journal of Korean Society of Environmental Engineers

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In this study, we investigated the environmental impact of organic and conventional paddy by monitoring soil properties and water quality. We sampled and analyzed topsoil (0~15 cm), subsoil (15~30 cm), and water of organic and conventional paddy fields in Yongin and Anseong, South Korea. The statistical significance between groups was determined by Duncan's multiple range test. The results show that T-P concentrations in both topsoil and subsoil of Anseong paddy were higher than those of Yongin paddy. The significant difference of T-P between organic and conventional paddy was observed in Anseong but not in Yongin. T-N of organic paddy soil was lower than that of conventional paddy in both Anseong and Yongin region. Water content for subsoil of organic paddy in Anseong was significantly different from others, which is consistent with the results of silt-clay content. pH and EC of water in conventional paddy were higher than those in organic paddy. In Anseong, COD, T-P, and PO4-P concentration of conventional paddy were higher than those of organic paddy. The regression analysis presented that there were no significant relationship between soil properties and water quality data except T-N.

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Assessment on Environmental Characteristics of Organic Paddy and Conventional Paddy by Comparing Their Soil Properties and Water Quality

Lee¹,

Gu²,

Park³

2016

Journal of Korean Society of Environmental Engineers

View full text Add to dashboard Cite

show abstract

Analysis of Environmental Properties of Paddy Soils with Regard to Seasonal Variation and Farming Methods

Lee¹,

Park²,

Lee³

2017

J Korean Soc Environ Eng

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Comparison of Soil Chemistry and Environmental Characteristics of Organic Paddy and Conventional Paddy Before Basal Fertilizer Application

Park¹,

Wang²,

Kang³

et al. 2015

Journal of The Korean Society of Agricultural Engineers

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Organic farming system has been considered environmental friendly and sustainable agricultural practice. However, the influence of organic farming on soil quality and environment is not well informed and controversial. We sampled and analyzed 0~15 cm and 15~30 cm depth soils of organic and conventional 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 soil were 211.1±135.3, 872.4±286.3 mg/kg, respectively, less than those of conventional paddy soil. Available phosphate amount in conventional paddy was 358.8±246.7 mg/kg, which is higher than 300 mg/kg that can cause secondary environmental contamination by runoff. The amount of total nitrogen in organic paddy soil was less than that in conventional paddy while their difference was not significant. The concentration of the heavy metals in organic paddy soil was also lower than that in conventional paddy soil but their difference was not statistically significant. Our findings demonstrate that electric conductivity, organic matter, nutrients, and heavy metals in organic paddy soil were less than those in conventional paddy soil. However, additional monitoring of soil properties for longer period is necessary to certify such a conclusion.

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An Investigation on the Environmental Factors of Certified Organic and Non-pesticide Paddy Soils Cultivating Rice at Goseong-Gun

Cited by 3 publications

References 10 publications

Assessment on Environmental Characteristics of Organic Paddy and Conventional Paddy by Comparing Their Soil Properties and Water Quality

Assessment on Environmental Characteristics of Organic Paddy and Conventional Paddy by Comparing Their Soil Properties and Water Quality

Analysis of Environmental Properties of Paddy Soils with Regard to Seasonal Variation and Farming Methods

Comparison of Soil Chemistry and Environmental Characteristics of Organic Paddy and Conventional Paddy Before Basal Fertilizer Application

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