Meteorological factors and their influence on grain sorghum yield and evapotranspiration under unirrigated and irrigated conditions
Rumen Bazitov
Abstract: The aim of the experiment was to determine the effect of meteorological factors during the growing season of grain sorghum on yield and evapotranspiration. The experiment was conducted in the period 2018 - 2019 on meadow-cinnamon soil in the experimental field of Agricultural Institute - Stara Zagora. Data from irrigated (at 75% FC) and non-irrigated grain sorghum were used. The relationships between grain yield and meteorological factors as well as topsoil dewatering were established. The evapotranspiration value was calculated (168.3-183.7 mm without irrigation and 264.3-283.8 mm under optimum irrigation). The yields obtained from grain sorghum were highly dependent on the climatic conditions of the different years of the study, ranging from 6140 kg.ha to 7424 kg.ha under irrigated and non-irrigated conditions, respectively.
Keywords: evapotranspiration; meteorological factor; sorghum; yield
Citation: Bazitov, R. (2025). Meteorological factors and their influence on grain sorghum yield and evapotranspiration under unirrigated and irrigated conditions. Bulg. J. Agric. Sci., 31(2), 361–366.
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| Date published: 2025-04-28
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