Impacts of Rainfall and Temperature on Sorghum (Sorghum biocolor) and Millet (Pennisetum glaucum) Yield in Arid Zone of the Sudan 1981-2010

• Autorzy: ,,, , Abdalla Khyar Abdalla , Ahmed Eltayb Abdalla , Hisham Mousa Mohammed
• Języki publikacji: EN

Abstrakty

EN

The fundamental goal of this work was to investigate the impact of rainfall and temperature on sorghum and millet yield in the arid zone in Sudan. Therefore the study had pivoted in two axis: climate characteristics and trends and impacts of climate on crops yield. Five focal points (Kassala, Wadmedni, Eldouim, Elobied and Elfasher) were selected to represent the whole zone. The climate data of monthly rainfall, minimum and maximum air temperature were obtained from Sudan Metrological Authority. Other climatic factors were calculated and estimated from temperature and rainfall data. Using rainfall, temperature, potential evapotranspiration, cumulative rainfall departure, effective rainfall, aridity index and standardized precipitation index for the period (1980 – 2010). Generally the trend of annual mean air temperature, annual rainfall, potential evapotranspiration, effective rainfall, cumulative rainfall departure, rainfall coefficient of variance, annual aridity index and standardized precipitation index had been increased during the period from 1980 to 2010 with statistically significant evidences (p≤0.05). Correlations between long-term sorghum yield and climatic factors analysis showed that there were positive significant correlation between sorghum yield and aridity index in Gezira and Elobied. Also, in Elobied negative significant correlation between Sorghum yield and air temperature, potential evapotranspiration. Where in Elfasher there were positive significant correlation between sorghum yield and rainfall, cumulative rainfall departure, effective rainfall, aridity index and standardized precipitation index. Correlations between long-term millet yield and climatic factors showed that in Elobied station there were positive significant correlation between millet yield and rainfall, effective rainfall, aridity index and standardized precipitation index. Where in Elfasher there were negative significant correlation between millet yield and potential evapotranspiration. Using multiple regression model where the climatic factors with sorghum and millet yield; the results showed there were significant regression equation model in three stations (Wadmedni, Elobied and Elfasher) and in two stations (Elobied and Elfasher), respectively.

Słowa kluczowe

EN

Pennisetum glaucum; Rainfall; Sorghum biocolor; correlation; millet yield; sorghum; temperature

• Wydawca: Scientific Publishing House „DARWIN”
• Czasopismo: World News of Natural Sciences
• Rocznik: 2022
• Tom: 45
• Strony: 37-57

Twórcy

autor

,,,

• Faculty of Agricultural Sciences, University of Gezira, Wad Medani, Sudan

autor

Abdalla Khyar Abdalla

• University of Khartoum, Khartoum, Sudan

autor

Ahmed Eltayb Abdalla

• Faculty of Agricultural Sciences, University of Gezira, Wad Medani, Sudan

autor

Hisham Mousa Mohammed

• Faculty of Agricultural Sciences, University of Gezira, Wad Medani, Sudan

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• Typ dokumentu: article