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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
- 2023.5
- 수록면
- 169 - 177 (9page)
이용수
초록· 키워드
오류제보하기
Typical reclaimed lands located in coastal areas including Saemangeum are not suitable for cultivation of upland crops due to a high salinity and groundwater levels and low nutrient contents. Therefore, for sustainable crop cultivation, it is necessary to soil salinity, water content, and nutrients that are necessary for development of land management for upland crops cultivation. In this study, we investigated physico-chemical characteristics of soils including pH, electrical conductivity (EC<SUB>1:5</SUB>), organic matter contents, available phosphorus (Avail. P₂O₅), and exchangeable (Exch.) cations concentrations, as well as bulk density, hardness, and soil texture. Soil samples were collected from soil layers up to 120 ㎝ at 20 ㎝ interval of survey fields (80 ㏊) of Saemangeum reclaimed land. Groundwater levels and soil water contents were also monitored. The EC (0.14 - 0.51 dS m<SUP>-1</SUP>) was lower than those of other reclaimed land in South Korea, indicating desalinization across 120 ㎝ of soil depth, and pH (5.5 - 6.9) was also lower in accordance of the removal of non-acid cations through desalinization. Soil organic matter (1.5 - 5.2 g ㎏<SUP>-1</SUP>), and nutrient (Avail. P₂O₅ 17.2 - 35.5 ㎎ ㎏<SUP>-1</SUP> and Exch. calcium 0.8 - 1.0 c㏖<SUB>c</SUB> ㎏<SUP>-1</SUP>) contents were lower than the standard levels for upland crop cultivation (Organic matter: 20 g ㎏<SUP>-1</SUP>, Avail. P2O5: 300 ㎎ ㎏<SUP>-1</SUP>, Exch. calcium: 5 c㏖<SUB>c</SUB> ㎏<SUP>-1</SUP>). However, the soil hardness (15.1 - 18.6 ㎜) was lower than the suitable level (21 ㎜) for crop cultivation. Meanwhile, water contents of top soil (0 - 20 ㎝) were greatly changed by rainfall pattern; in particular, the soil located near the coastal areas had a large rise in groundwater level during rainfall. Our study provide key information on the changes in soil physico-chemical properties across soil depth for Saemangeum reclaimed land, which was necessary for development of land management practices for cultivation of upland crops.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (23)
참고문헌 신청
Bae, H.S., H.S. Jang, S.H. Ahn, U.H. Kim, J.T. Youn, and D.Y. Chung. 2021. Estimation of optimum N fertilizer and sowing rate for Italian ryegrass seed production in the Saemangeum reclaimed land. Korean J. Soil Sci. Fert. 54(2): 213-221.
Cho, H.R., Y.S. Zhang, K.H. Han, H.J. Cho, J.H. Ryu, K.Y. Jung, K.R. Cho, A.S. Ro, S.J. Lim, S.C. Choi, J.I. Lee, W.K. Lee, B.K. Ahn, B.H. Kim, C.Y. Kim, J.H. Park, and S.H. Hyun. 2012. Soil physical properties of arable land by land use across the countr
Chung, D.Y., H.J. Kim, G.R. Kim, H.N. Woo, S.H. Park, J.H. Shin, and Y.C. Choi. 2011. Properties and fate of nitrogen in a reclaimed tidal soil. J. Agric. Sci. 35:301-307.
Jeong, Y.J., S.S. Lim, H.J. Park, B.S. Seo, S.I. Park, J.H. Ryu, K.S. Lee, D.Y. Chung, H.Y. Kim, S.H. Lee, H.I. Yang, and W.J. Choi. 2020. Evaluation of crop suitability for reclaimed tideland soils using soil and water salinity and soil texture. Korean J
Jung, Y.S., W.H. Lee, J.H. Joo, I.H. Yu, W.S. Shin, Y. Ahn, and S.H. Yoo. 2003. Use of electromagnetic inductance for salinity measurement in reclaimed saline land. Korean J. Soil Sci. Fert. 36(2):57-65.
Cho, H.R., Y.S. Zhang, K.H. Han, H.J. Cho, J.H. Ryu, K.Y. Jung, K.R. Cho, A.S. Ro, S.J. Lim, S.C. Choi, J.I. Lee, W.K. Lee, B.K. Ahn, B.H. Kim, C.Y. Kim, J.H. Park, and S.H. Hyun. 2012. Soil physical properties of arable land by land use across the countr
Chung, D.Y., H.J. Kim, G.R. Kim, H.N. Woo, S.H. Park, J.H. Shin, and Y.C. Choi. 2011. Properties and fate of nitrogen in a reclaimed tidal soil. J. Agric. Sci. 35:301-307.
Jeong, Y.J., S.S. Lim, H.J. Park, B.S. Seo, S.I. Park, J.H. Ryu, K.S. Lee, D.Y. Chung, H.Y. Kim, S.H. Lee, H.I. Yang, and W.J. Choi. 2020. Evaluation of crop suitability for reclaimed tideland soils using soil and water salinity and soil texture. Korean J
Jung, Y.S., W.H. Lee, J.H. Joo, I.H. Yu, W.S. Shin, Y. Ahn, and S.H. Yoo. 2003. Use of electromagnetic inductance for salinity measurement in reclaimed saline land. Korean J. Soil Sci. Fert. 36(2):57-65.
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