Climate variability is among the principal source of variations in crop production in developing countries including Ethiopia that greatly relies on subsistence farming. This study assessed the impacts of climate variability on maize (Zea mays L.) yield in Kurfa Chele district, eastern Ethiopia. Climate data (1996-2016) and maize yield data (2001-2016) were acquired from the NMA of Ethiopia and KWANRO, respectively. Variability, trend and anomaly of climate variables were analyzed using INSTAT +3.37 and Mann-Kendall trend analysis. The mean start of rainy seasons, length of growing period and end of the rainy seasons in Kurfa Chele district were 31st March, 178 days and 25th September, respectively and belg onset was highly variable (CV=42%). Annual and kiremt rainfall amounts were found to increase by a factor of 2.45 and 1.64 mm/year, respectively and were insignificant at 5%. Conversely, the belg rainfall decreased by a factor of -0.8 and was insignificant. The maximum temperature showed increasing trend at annual, kiremt and belg periods by a factor of 0.046, 0.053 and 0.066°C/year, respectively. Similarly, annual, kiremt and belg minimum temperatures showed increasing trend and were significant at 5%. The correlation of maize yield with rainfall and temperature parameters revealed that belg rainy days and kiremt rainy days have strong relationships with maize yield. The result of multiple regression showed that an increase in kiremt end date (-0.04 Kg/ha) and kiremt mean temperature (-2.57 Kg/ha) caused decrease in maize yield. Coefficient of determination indicates that climate features predict 79% the variation in maize yield. Thus, it is essential to advance extension services to improve perception of climate variability and proper implementation of adaptation practices in the study area.
| Published in | Journal of Chemical, Environmental and Biological Engineering (Volume 6, Issue 1) |
| DOI | 10.11648/j.jcebe.20220601.15 |
| Page(s) | 34-51 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2024. Published by Science Publishing Group |
Climate Variability, Impacts, Kurfa Chele, Maize Yield, Rainfall, Temperature
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APA Style
Sharaf Abdullahi Musa. (2022). Impacts of Climate Variability on Maize (Zea mays L.) Yield in Kurfa Chele District of East Hararghe Zone, Oromia, Ethiopia. Journal of Chemical, Environmental and Biological Engineering, 6(1), 34-51. https://doi.org/10.11648/j.jcebe.20220601.15
ACS Style
Sharaf Abdullahi Musa. Impacts of Climate Variability on Maize (Zea mays L.) Yield in Kurfa Chele District of East Hararghe Zone, Oromia, Ethiopia. J. Chem. Environ. Biol. Eng. 2022, 6(1), 34-51. doi: 10.11648/j.jcebe.20220601.15
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Download@article{10.11648/j.jcebe.20220601.15,
author = {Sharaf Abdullahi Musa},
title = {Impacts of Climate Variability on Maize (Zea mays L.) Yield in Kurfa Chele District of East Hararghe Zone, Oromia, Ethiopia},
journal = {Journal of Chemical, Environmental and Biological Engineering},
volume = {6},
number = {1},
pages = {34-51},
doi = {10.11648/j.jcebe.20220601.15},
url = {https://doi.org/10.11648/j.jcebe.20220601.15},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.jcebe.20220601.15},
abstract = {Climate variability is among the principal source of variations in crop production in developing countries including Ethiopia that greatly relies on subsistence farming. This study assessed the impacts of climate variability on maize (Zea mays L.) yield in Kurfa Chele district, eastern Ethiopia. Climate data (1996-2016) and maize yield data (2001-2016) were acquired from the NMA of Ethiopia and KWANRO, respectively. Variability, trend and anomaly of climate variables were analyzed using INSTAT +3.37 and Mann-Kendall trend analysis. The mean start of rainy seasons, length of growing period and end of the rainy seasons in Kurfa Chele district were 31st March, 178 days and 25th September, respectively and belg onset was highly variable (CV=42%). Annual and kiremt rainfall amounts were found to increase by a factor of 2.45 and 1.64 mm/year, respectively and were insignificant at 5%. Conversely, the belg rainfall decreased by a factor of -0.8 and was insignificant. The maximum temperature showed increasing trend at annual, kiremt and belg periods by a factor of 0.046, 0.053 and 0.066°C/year, respectively. Similarly, annual, kiremt and belg minimum temperatures showed increasing trend and were significant at 5%. The correlation of maize yield with rainfall and temperature parameters revealed that belg rainy days and kiremt rainy days have strong relationships with maize yield. The result of multiple regression showed that an increase in kiremt end date (-0.04 Kg/ha) and kiremt mean temperature (-2.57 Kg/ha) caused decrease in maize yield. Coefficient of determination indicates that climate features predict 79% the variation in maize yield. Thus, it is essential to advance extension services to improve perception of climate variability and proper implementation of adaptation practices in the study area.},
year = {2022}
}
TY - JOUR T1 - Impacts of Climate Variability on Maize (Zea mays L.) Yield in Kurfa Chele District of East Hararghe Zone, Oromia, Ethiopia AU - Sharaf Abdullahi Musa Y1 - 2022/05/31 PY - 2022 N1 - https://doi.org/10.11648/j.jcebe.20220601.15 DO - 10.11648/j.jcebe.20220601.15 T2 - Journal of Chemical, Environmental and Biological Engineering JF - Journal of Chemical, Environmental and Biological Engineering JO - Journal of Chemical, Environmental and Biological Engineering SP - 34 EP - 51 PB - Science Publishing Group SN - 2640-267X UR - https://doi.org/10.11648/j.jcebe.20220601.15 AB - Climate variability is among the principal source of variations in crop production in developing countries including Ethiopia that greatly relies on subsistence farming. This study assessed the impacts of climate variability on maize (Zea mays L.) yield in Kurfa Chele district, eastern Ethiopia. Climate data (1996-2016) and maize yield data (2001-2016) were acquired from the NMA of Ethiopia and KWANRO, respectively. Variability, trend and anomaly of climate variables were analyzed using INSTAT +3.37 and Mann-Kendall trend analysis. The mean start of rainy seasons, length of growing period and end of the rainy seasons in Kurfa Chele district were 31st March, 178 days and 25th September, respectively and belg onset was highly variable (CV=42%). Annual and kiremt rainfall amounts were found to increase by a factor of 2.45 and 1.64 mm/year, respectively and were insignificant at 5%. Conversely, the belg rainfall decreased by a factor of -0.8 and was insignificant. The maximum temperature showed increasing trend at annual, kiremt and belg periods by a factor of 0.046, 0.053 and 0.066°C/year, respectively. Similarly, annual, kiremt and belg minimum temperatures showed increasing trend and were significant at 5%. The correlation of maize yield with rainfall and temperature parameters revealed that belg rainy days and kiremt rainy days have strong relationships with maize yield. The result of multiple regression showed that an increase in kiremt end date (-0.04 Kg/ha) and kiremt mean temperature (-2.57 Kg/ha) caused decrease in maize yield. Coefficient of determination indicates that climate features predict 79% the variation in maize yield. Thus, it is essential to advance extension services to improve perception of climate variability and proper implementation of adaptation practices in the study area. VL - 6 IS - 1 ER -
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