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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2022.8
- 수록면
- 251 - 260 (10page)
이용수
초록· 키워드
오류제보하기
Electrical conductivity (EC) of saturated soil paste extracts (EC<SUB>e</SUB>) is a standard measure for soil salinity assessment. However, due to the difficulty of EC<SUB>e</SUB> measurement, EC of the extracts of 1:5 soil:water ratio (EC<SUB>1:5</SUB>) is widely used, and thus conversion of EC<SUB>1:5</SUB> to EC<SUB>e</SUB> is often required. However, the conversion factor varies widely being affected by many soil factors including soil texture though such variation has rarely been investigated. This study was conducted to explore the effect of soil texture (particularly sand content) on the EC conversion factor using soil samples (n = 628) from 19 reclaimed tidelands (RTLs) located in the coastal areas of Korea. The conversion factors ranged from 4.6 to 9.9 (average 7.5) and the conversion factors were positively correlated with the average sand content of the RTL (r² = 0.48, P < 0.001) except for three RTLs which have extremely low sand contents. The increased EC conversion factors for soils with higher sand contents should be ascribed to decreased saturated water contents for EC<SUB>e</SUB>. Our results demonstrate the critical influence of sand content on the EC conversion factor by highlighting the necessity of consideration of sand content for EC conversion factor.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (31)
참고문헌 신청
Aboukila, E.F. and E.F. Abdelaty. 2017. Assessment of saturated soil paste salinity from 1:2.5 and 1:5 soil-water extracts for coarse textured soils. Alexandria Sci. Exch. J. 38:722-732.
Aboukila, E.F. and J.B. Norton. 2017. Estimation of saturated soil paste salinity from soil-water extracts. Soil Sci. 182:107-113.
Al-Busaidi, A., T. Yamamoto, C. Bakheit, and P. Cookson. 2006. Soil salinity assessment by some destructive and non destructive methods in calcareous soils. J. Jpn. Soc. Soil Phys. 104:27-40.
Castillo, E.G., T.P. Tuong, A.M. Ismail, and K. Inubushi. 2007. Response to salinity in rice: Comparative effects of osmotic and ionic stresses. Plant Prod. Sci. 10:159-170.
Chi, C.M. and Z.C. Wang. 2010. Characterizing salt-affected soils of Songnen Plain using saturated paste and 1:5 soil-to-water extraction methods. Arid Land Res. Manage. 24:1-11.
Aboukila, E.F. and J.B. Norton. 2017. Estimation of saturated soil paste salinity from soil-water extracts. Soil Sci. 182:107-113.
Al-Busaidi, A., T. Yamamoto, C. Bakheit, and P. Cookson. 2006. Soil salinity assessment by some destructive and non destructive methods in calcareous soils. J. Jpn. Soc. Soil Phys. 104:27-40.
Castillo, E.G., T.P. Tuong, A.M. Ismail, and K. Inubushi. 2007. Response to salinity in rice: Comparative effects of osmotic and ionic stresses. Plant Prod. Sci. 10:159-170.
Chi, C.M. and Z.C. Wang. 2010. Characterizing salt-affected soils of Songnen Plain using saturated paste and 1:5 soil-to-water extraction methods. Arid Land Res. Manage. 24:1-11.
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