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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.3
- 수록면
- 45 - 53 (9page)
이용수
초록· 키워드
오류제보하기
Water and soil properties in paddy fields subjected to organic and conventional farming were characterized over the rice cycle in South Korea. To achieve the goals of this study, we sampled and analyzed soil and water from 24 organic paddy plots and 11 conventional paddy plots in March, May, August, and October 2016. The results were analyzed using statistical analyses, including analysis of variance (ANOVA), cluster analysis, and principal component analysis. The ANOVA results showed that water content (WC), electrical conductivity (EC), organic matter (OM), and available phosphorus (P₂O<SUB>5</SUB>) in soil varied significantly (p < 0.01) depending on the farming method. Higher OM, EC, and P₂O<SUB>5</SUB> of soil were observed in the conventional paddies than in the organic paddies. All soil properties, except pH and ammonium, depended on seasonal variation. Cluster analysis revealed that soil properties in May were distinctly separated from those in other seasons mainly due to basal fertilization. The principal component analysis distinguished the soil properties in different seasons, but such a distinction was not observed between the soil properties in organic and conventional paddies. Low contents of WC, OM, and total N were observed in March. High concentrations of nitrate and total P were observed in May, but these were low in August and October. The soils from October were also characterized by high concentrations of EC and P₂O<SUB>5</SUB>. These results indicate that the sampling time for soil and water can significantly influence the evaluation of soil properties with different farming methods.
목차
ABSTRACT
1. Introduction
2. Materials and Methods
3. Results and Discussion
4. Conclusions
References
참고문헌 (24)
참고문헌 신청
Lairon D. Nutritional quality and safety of organic food. A review. Agron. Sustain. Dev. 2010;30:33-41.
Keyes S, Tyedmers P, Beazley K. Evaluating the environmental impacts of conventional and organic apple production in Nova Scotia, Canada, through life cycle assessment. J. Clean. Prod. 2015;104:40-51.
Suja G, Byju G, Jyothi AN, Veena SS, Sreekumar J. Yield, quality and soil health under organic vs conventional farming in taro. Sci. Hortic. 2017;218:334-343.
Seufert V, Ramankutty N, Foley JA. Comparing the yields of organic and conventional agriculture. Nature 2012;485:229-232.
Anglade J, Billen G, Garnier J, Makridis T, Puech T, Tittel C. Nitrogen soil surface balance of organic vs conventional cash crop farming in the Seine watershed. Agr. Syst. 2015;139:82-92.
Keyes S, Tyedmers P, Beazley K. Evaluating the environmental impacts of conventional and organic apple production in Nova Scotia, Canada, through life cycle assessment. J. Clean. Prod. 2015;104:40-51.
Suja G, Byju G, Jyothi AN, Veena SS, Sreekumar J. Yield, quality and soil health under organic vs conventional farming in taro. Sci. Hortic. 2017;218:334-343.
Seufert V, Ramankutty N, Foley JA. Comparing the yields of organic and conventional agriculture. Nature 2012;485:229-232.
Anglade J, Billen G, Garnier J, Makridis T, Puech T, Tittel C. Nitrogen soil surface balance of organic vs conventional cash crop farming in the Seine watershed. Agr. Syst. 2015;139:82-92.
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UCI(KEPA) : I410-ECN-0101-2019-539-000032772