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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2023.2
- 수록면
- 101 - 108 (8page)
이용수
초록· 키워드
오류제보하기
Monitoring of the salinity of agricultural soil and water is necessary for sustainable food production in salt-affected reclaimed tidelands (RTLs). Soil salinity has been extensively monitored; however, little attention has been given to water salinity. In this study, agricultural water salinity of five RTLs located in the southwestern coastal area of South Korea was monitored. A total of 215 water samples were collected from estuary lakes and inland streams in Bojeon (BJ), Goheung (GH), Gunnae (GN), Samsan (SS), and Youngsangang (YSG) RTLs in 2018, 2020, and 2022. Water samples were analyzed for electrical conductivity (EC<SUB>w</SUB>) and sodium adsorption ratio (SAR) to estimate the suitability of water salinity for agricultural uses based on the FAO guidelines. The EC<SUB>w</SUB> (average: 1.6 - 3.6 dS m<SUP>-1</SUP>) and SAR (5 - 8) were highly variable being dependent on RTL locations, water type (lake and stream), and sampling year and month. For rice cultivation, EC<SUB>w</SUB> of BJ, SS, and YSG RTLs was lower than the threshold ECw (2 dS m<SUP>-1</SUP>) for rice growth; whereas ECw of GN (2.1 ± 1.0 dS m<SUP>-1</SUP>) and GH (3.6 ± 1.2 dS m<SUP>-1</SUP>) RTLs were higher than the threshold ECw. For upland crops cultivation, both ECw and SAR of five RTLs were much higher than the FAO threshold values (ECw < 0.7 dS m<SUP>-1 </SUP>and SAR < 3). Therefore, our results suggest that agricultural water salinity of the study RTLs is not suitable for cultivation of upland crop. Therefore, long-term monitoring of water salinity as well as developments of advanced irrigation-drainage are necessary for diversification of agricultural uses of RTLs.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (19)
참고문헌 신청
Abrol, I.P., J.S.P. Yadav, and F.I. Massoud. 1988. Salt-affected soils and their management. FAO Soils Bulletin 39. Food and Agriculture Organization of the United Nations, Rome, Italy.
Ayers, R.S. and D.W. Westcot. 1985. Water quality for agriculture. Irrigation and Drainage Paper 29. Rev. 1. Food and Agriculture Organization of the United Nations, Rome, Italy.
Bae, H.S., H. 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. 54:213-221.
Jang, H., H.S. Bae, S.H. Ahn, J.T. Youn, D.W. Kim, and W.H. Kim. 2020. Growth characteristics and seed productivity of Italian ryegrass (Lolium multiflorum L.) cultivars under different salinity in Saemangeum reclaimed tideland. Korean J. Soil Sci. Fert.
Jeong, Y.J., S.S. Lim, H.J. Park, B.S. Seo, S.I. Par, 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.
Ayers, R.S. and D.W. Westcot. 1985. Water quality for agriculture. Irrigation and Drainage Paper 29. Rev. 1. Food and Agriculture Organization of the United Nations, Rome, Italy.
Bae, H.S., H. 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. 54:213-221.
Jang, H., H.S. Bae, S.H. Ahn, J.T. Youn, D.W. Kim, and W.H. Kim. 2020. Growth characteristics and seed productivity of Italian ryegrass (Lolium multiflorum L.) cultivars under different salinity in Saemangeum reclaimed tideland. Korean J. Soil Sci. Fert.
Jeong, Y.J., S.S. Lim, H.J. Park, B.S. Seo, S.I. Par, 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.
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