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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
- 2018.11
- 수록면
- 339 - 352 (14page)
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초록· 키워드
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In South Korea, the area of agricultural land has steadily decreased and the overall food self-sufficiency rates have consistently dropped with a decrease in farm population since 2000. This study aimed to evaluate water requirements of crops soybean, sorghum, and sesame using lysimeter. Using the lysimeter with different groundwater levels, 20 cm and 40 cm, and different types of soils, sandy loam and clay loam, the evapotranspiration for crops was measured to determine the water requirement and the water use efficiency. The results showed that the maximum evapotranspiration of soybean and sesame was at the blooming stage, and that of sorghum was at the panicle formation stage. In water use efficiency, the optimal soil texture (groundwater level) for soybean was clay loam (40 cm), for sorghum was sandy loam (20 cm), and for sesame was sandy loam (40 cm). The water requirement of soybean and sesame was lowest at sandy loam (40 cm), while sorghum had the lowest at sandy loam (20 cm). The 100-kernel weight of soybean was found to be higher under the groundwater level 40 cm than 20 cm regardless of soil types, and 1,000-kernel weight of sorghum and sesame was found to be the highest under the sandy loam (40 cm). In consideration of these results, sandy loam (40 cm) was more suitable for cultivating soybean and sesame, and so was sandy loam (20 cm) for sorghum. The results of this study are expected to provide useful data for the development of an irrigation system which is possible to set the groundwater level as desired.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (17)
참고문헌 신청
Condon, A.G., R.A. Richards, G.J. Rebetzke, and G.D. Farquhar. 2004. Breeding for high water-use efficiency. J. Exp. Bot. 55(407):2447-2460.
Griffin, J.L. and A.M. Saxton. 1988. Response of solid seeded soybean to flood irrigation. II. Flood duration. Agron. J. 80:885-888.
Hyun, B.K., Y.K. Soon, C.W. Park, K.C. Song, H.C. Chun, S.Y. Hong, Y.H. Moon, D.C. Noh, and S.Y. Jung. 2012. Study on soil survey results of rapid change in land use. Korean J. Soil. Sci. Fert. 45(4):475-483.
Jeon, H.J., W.Y. Han, and Y.N. Yoon. 2017. Analyses of sesame epidemic occurrence in paddy field and selection of protective system to epidemic occurrence. Annual Research Report of National Institute of Crop Science. pp. 429-491.
Jung, K.Y., E.S. Yun, C.Y. Park, J.B. Hwang, Y.D. Choi, and K.D. Park. 2011. Stress day index to predict soybean yield response by subsurface drainage in poorly drained sloping paddy fields. Korean J. Soil. Sci. Fert. 44(5):702-708.
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UCI(KEPA) : I410-ECN-0101-2019-523-000169856