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vol. 3, nr. 3 (2004)
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Simulations of potential yields of spring barley in central-eastern Poland using the CERES-Barley model
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Leszek Kuchar1, Jerzy Lipiec1, Jerzy Rejman2, Józef Kołodziej3, Bogusław Kaszewski4
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1 Department of Mathematics, Agricultural University, ul. Grunwaldzka 53, 50-357 Wrocław |
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2 Institute of Agrophysics, Polish Academy of Sciences, ul. Doświadczalna 4, 20-290 Lublin |
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3 Department of Agrometeorology, Agricultural University, ul. Akademicka 15, 20-950 Lublin |
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4 Department of Meteorology and Climatology, University of Maria Sklodowska-Curie, al. Kraśnicka 2 cd, 20-628 Lublin |
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vol. 3 (2004), nr. 3,
pp. 541-551
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abstract:
The paper presents results of calibration of the CERES-Barley model for data obtained from field experiments carried out in 1986-1989. The model calibrated for two barley varieties - Aramir and Diva - was used for the simulation of potential yields as affected by the number of tractor passes. The simulation was performed for loamy sand and silty loam textured soils. The results indicate that simulated yield must be corrected using statistical techniques, and that it is possible to estimate potential yields as determined by distribution of probability.
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keywords:
CERES-Barley model, potential yields, spring barley, meteorological data, Weibull's distribution of probability
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original in:
Polish
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