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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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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
- 2017.12
- 수록면
- 509 - 519 (11page)
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초록· 키워드
오류제보하기
Crop simulation models are valuable tools for estimating crop yield, environmental factors and management practices. The objective of this study was to evaluate the effect of soil types on barley productivity using CERES (Crop Environment REsource Synthesis)-barley, cropping system model. So the behavior of the model under various soil types and climatic conditions was evaluated. The results of the sensitivity analysis in temperature, CO2, and precipitation showed that soil types had a direct impact on the simulated yield of CERES-barley model. We found that barley yield in clay soils would be more sensitive to precipitation and CO2 in comparison with temperature. And the model showed limited accuracy in simulating water and nitrogen stress index for soil types. In general, the barley grown on clay soils were less sensitive to water stress than those grown on sandy soils. Especially it was found that the CERES model underestimated the effect of water stress in high precipitation which led to overprediction of crop yield in clay soils. In order to solve these problems and successfully forecast grain yield, further studies on the modification of the water stress response of crops should be considered prior to use of the CERES-barley model for yield forecasting.
목차
ABSTRACT
Introduction
Materials and Methods
Results and Discussion
Conclusions
References
참고문헌 (11)
참고문헌 신청
Fatemi, Z., F. Paknejad, E. Amiri, and M.N. Eilkaee. 2014. Capability of the CERES-barley model for prediction of barley varieties growth under deficit irrigation. J. Biol. 2(1):1-7.
He, Y., L. Hou, H. Wang, K. Hu, and B. McConkey. 2014. A modelling approach to evaluate the long-term effect of soil texture on spring wheat productivity under a rain-fed condition. Sci. Rep. 4:5736.
Jones, J.W., G. Hoogenboom, C.H. Porter, K.J. Boote, W.D. Batchelor, L.A. Hunt, P.W. Wilkens, U. Singh, A.J. Gijsman, and J.T. Ritchie. 2003. DSSAT cropping system model. Eur. J. Agron. 18:235-265.
Kim, D.J., J.H. Roh, J.G. Kim, and J.I. Yun. 2013a. Grain yield response of CERES-Barley adjusted for domestic cultivars to the simultaneous changes in temperature, precipitation, and CO2 concentration. Korean J. Agric. For. Meteorol. 15:312-319.
Kim, D.J., J.H. Roh, J.G. Kim, and J.I. Yun. 2013b. The influence of shifting planting date on cereal grains production under the projected climate change. Korean J. Agric. For. Meteorol. 15(1):26-39.
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UCI(KEPA) : I410-ECN-0101-2018-523-001677306