Effects of Deficit Irrigation and Mulch Levels on Growth, Yield and Water Productivity of Onion (<i>Allium cepa</i> L.) at Werer, Middle Awash Valley, Ethiopia

Kebede Nanesa Tufa; Yibekal Alemayehu Abebe; Fentaw Abegaz Ahmed

doi:doi:10.11648/j.plant.20221001.14

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Effects of Deficit Irrigation and Mulch Levels on Growth, Yield and Water Productivity of Onion (Allium cepa L.) at Werer, Middle Awash Valley, Ethiopia

Kebede Nanesa Tufa, Yibekal Alemayehu Abebe, Fentaw Abegaz Ahmed

Published in Plant (Volume 10, Issue 1)

Received: 31 December 2021 Accepted: 18 January 2022 Published: 28 January 2022

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Abstract

Enhancing water productivity of irrigated crops through Agricultural water management is a vital option in water scarce areas, such as, Rift valley. Accordingly, a field experiment was conducted at Werer Agricultural Research Center to evaluate the effects of deficit irrigation and straw mulching levels on growth, yield and water productivity of onion (Allium cepa L.). The experiment was laid out in a randomized complete block design in factorial arrangement of three levels of irrigation (100, 80 and 60% of Crop Evapotranspiration and four levels of straw mulch (0, 3, 6 and 9ton wheat straw per ha) in three replications. The output of Cropwat model indicated that the highest seasonal water requirement of onion was 422.5 mm at 100% ETc while; the lowest was 253.5 mm at 60% ETc. The analysis of variance revealed that there was significant (p<0.05) difference in growth parameters and yield parameters were highly significant (p<0.01) influenced by the interaction effects of deficit irrigation and straw mulch levels. The highest marketable bulb yield (33.47 t/ha) was obtained from an experimental plot treated with combined application of 100% of ETc and 6 t/ha straw mulch, while the lowest (21.10 t/ha) was obtained from plots treated with 60% ETc irrigation level and no mulch treatment. Water productivity was also highly significant (p<0.01) influenced by the interaction effects of deficit irrigation and straw mulching levels; the highest (10.22 kg/m³) and the lowest (6.11 kg/m³) were recorded from the plots treated with 60% ETc and 9 t/ha straw mulch, and 100% ETc and no mulch treatments, respectively. Therefore, in terms of marketable bulb yield and water productivity, irrigating with 80% ETc with 6 t/ha straw mulch would be recommended for production of onion in the study area.

Published in	Plant (Volume 10, Issue 1)
DOI	10.11648/j.plant.20221001.14
Page(s)	26-35
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), 2022. Published by Science Publishing Group

Keywords

Deficit Irrigation, Evapotranspiration, Marketable Yield, Straw Mulching

References

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APA Style

Kebede Nanesa Tufa, Yibekal Alemayehu Abebe, Fentaw Abegaz Ahmed. (2022). Effects of Deficit Irrigation and Mulch Levels on Growth, Yield and Water Productivity of Onion (Allium cepa L.) at Werer, Middle Awash Valley, Ethiopia. Plant, 10(1), 26-35. https://doi.org/10.11648/j.plant.20221001.14

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ACS Style

Kebede Nanesa Tufa; Yibekal Alemayehu Abebe; Fentaw Abegaz Ahmed. Effects of Deficit Irrigation and Mulch Levels on Growth, Yield and Water Productivity of Onion (Allium cepa L.) at Werer, Middle Awash Valley, Ethiopia. Plant. 2022, 10(1), 26-35. doi: 10.11648/j.plant.20221001.14

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AMA Style

Kebede Nanesa Tufa, Yibekal Alemayehu Abebe, Fentaw Abegaz Ahmed. Effects of Deficit Irrigation and Mulch Levels on Growth, Yield and Water Productivity of Onion (Allium cepa L.) at Werer, Middle Awash Valley, Ethiopia. Plant. 2022;10(1):26-35. doi: 10.11648/j.plant.20221001.14

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@article{10.11648/j.plant.20221001.14,
  author = {Kebede Nanesa Tufa and Yibekal Alemayehu Abebe and Fentaw Abegaz Ahmed},
  title = {Effects of Deficit Irrigation and Mulch Levels on Growth, Yield and Water Productivity of Onion (Allium cepa L.) at Werer, Middle Awash Valley, Ethiopia},
  journal = {Plant},
  volume = {10},
  number = {1},
  pages = {26-35},
  doi = {10.11648/j.plant.20221001.14},
  url = {https://doi.org/10.11648/j.plant.20221001.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.plant.20221001.14},
  abstract = {Enhancing water productivity of irrigated crops through Agricultural water management is a vital option in water scarce areas, such as, Rift valley. Accordingly, a field experiment was conducted at Werer Agricultural Research Center to evaluate the effects of deficit irrigation and straw mulching levels on growth, yield and water productivity of onion (Allium cepa L.). The experiment was laid out in a randomized complete block design in factorial arrangement of three levels of irrigation (100, 80 and 60% of Crop Evapotranspiration and four levels of straw mulch (0, 3, 6 and 9ton wheat straw per ha) in three replications. The output of Cropwat model indicated that the highest seasonal water requirement of onion was 422.5 mm at 100% ETc while; the lowest was 253.5 mm at 60% ETc. The analysis of variance revealed that there was significant (p3) and the lowest (6.11 kg/m3) were recorded from the plots treated with 60% ETc and 9 t/ha straw mulch, and 100% ETc and no mulch treatments, respectively. Therefore, in terms of marketable bulb yield and water productivity, irrigating with 80% ETc with 6 t/ha straw mulch would be recommended for production of onion in the study area.},
 year = {2022}
}

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TY  - JOUR
T1  - Effects of Deficit Irrigation and Mulch Levels on Growth, Yield and Water Productivity of Onion (Allium cepa L.) at Werer, Middle Awash Valley, Ethiopia
AU  - Kebede Nanesa Tufa
AU  - Yibekal Alemayehu Abebe
AU  - Fentaw Abegaz Ahmed
Y1  - 2022/01/28
PY  - 2022
N1  - https://doi.org/10.11648/j.plant.20221001.14
DO  - 10.11648/j.plant.20221001.14
T2  - Plant
JF  - Plant
JO  - Plant
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EP  - 35
PB  - Science Publishing Group
SN  - 2331-0677
UR  - https://doi.org/10.11648/j.plant.20221001.14
AB  - Enhancing water productivity of irrigated crops through Agricultural water management is a vital option in water scarce areas, such as, Rift valley. Accordingly, a field experiment was conducted at Werer Agricultural Research Center to evaluate the effects of deficit irrigation and straw mulching levels on growth, yield and water productivity of onion (Allium cepa L.). The experiment was laid out in a randomized complete block design in factorial arrangement of three levels of irrigation (100, 80 and 60% of Crop Evapotranspiration and four levels of straw mulch (0, 3, 6 and 9ton wheat straw per ha) in three replications. The output of Cropwat model indicated that the highest seasonal water requirement of onion was 422.5 mm at 100% ETc while; the lowest was 253.5 mm at 60% ETc. The analysis of variance revealed that there was significant (p3) and the lowest (6.11 kg/m3) were recorded from the plots treated with 60% ETc and 9 t/ha straw mulch, and 100% ETc and no mulch treatments, respectively. Therefore, in terms of marketable bulb yield and water productivity, irrigating with 80% ETc with 6 t/ha straw mulch would be recommended for production of onion in the study area.
VL  - 10
IS  - 1
ER  -

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Author Information

Kebede Nanesa Tufa

Natural Resource Management, Ethiopian Institute of Agricultural Research, Addis Ababa, Ethiopia
Yibekal Alemayehu Abebe

College Natural Resource Management and Environmental Science, Haramaya University, Harar, Ethiopia
Fentaw Abegaz Ahmed

Natural Resource Management, Ethiopian Institute of Agricultural Research, Addis Ababa, Ethiopia

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APA Style

Kebede Nanesa Tufa, Yibekal Alemayehu Abebe, Fentaw Abegaz Ahmed. (2022). Effects of Deficit Irrigation and Mulch Levels on Growth, Yield and Water Productivity of Onion (Allium cepa L.) at Werer, Middle Awash Valley, Ethiopia. Plant, 10(1), 26-35. https://doi.org/10.11648/j.plant.20221001.14

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ACS Style

Kebede Nanesa Tufa; Yibekal Alemayehu Abebe; Fentaw Abegaz Ahmed. Effects of Deficit Irrigation and Mulch Levels on Growth, Yield and Water Productivity of Onion (Allium cepa L.) at Werer, Middle Awash Valley, Ethiopia. Plant. 2022, 10(1), 26-35. doi: 10.11648/j.plant.20221001.14

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AMA Style

Kebede Nanesa Tufa, Yibekal Alemayehu Abebe, Fentaw Abegaz Ahmed. Effects of Deficit Irrigation and Mulch Levels on Growth, Yield and Water Productivity of Onion (Allium cepa L.) at Werer, Middle Awash Valley, Ethiopia. Plant. 2022;10(1):26-35. doi: 10.11648/j.plant.20221001.14

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@article{10.11648/j.plant.20221001.14,
  author = {Kebede Nanesa Tufa and Yibekal Alemayehu Abebe and Fentaw Abegaz Ahmed},
  title = {Effects of Deficit Irrigation and Mulch Levels on Growth, Yield and Water Productivity of Onion (Allium cepa L.) at Werer, Middle Awash Valley, Ethiopia},
  journal = {Plant},
  volume = {10},
  number = {1},
  pages = {26-35},
  doi = {10.11648/j.plant.20221001.14},
  url = {https://doi.org/10.11648/j.plant.20221001.14},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.plant.20221001.14},
  abstract = {Enhancing water productivity of irrigated crops through Agricultural water management is a vital option in water scarce areas, such as, Rift valley. Accordingly, a field experiment was conducted at Werer Agricultural Research Center to evaluate the effects of deficit irrigation and straw mulching levels on growth, yield and water productivity of onion (Allium cepa L.). The experiment was laid out in a randomized complete block design in factorial arrangement of three levels of irrigation (100, 80 and 60% of Crop Evapotranspiration and four levels of straw mulch (0, 3, 6 and 9ton wheat straw per ha) in three replications. The output of Cropwat model indicated that the highest seasonal water requirement of onion was 422.5 mm at 100% ETc while; the lowest was 253.5 mm at 60% ETc. The analysis of variance revealed that there was significant (p3) and the lowest (6.11 kg/m3) were recorded from the plots treated with 60% ETc and 9 t/ha straw mulch, and 100% ETc and no mulch treatments, respectively. Therefore, in terms of marketable bulb yield and water productivity, irrigating with 80% ETc with 6 t/ha straw mulch would be recommended for production of onion in the study area.},
 year = {2022}
}

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TY  - JOUR
T1  - Effects of Deficit Irrigation and Mulch Levels on Growth, Yield and Water Productivity of Onion (Allium cepa L.) at Werer, Middle Awash Valley, Ethiopia
AU  - Kebede Nanesa Tufa
AU  - Yibekal Alemayehu Abebe
AU  - Fentaw Abegaz Ahmed
Y1  - 2022/01/28
PY  - 2022
N1  - https://doi.org/10.11648/j.plant.20221001.14
DO  - 10.11648/j.plant.20221001.14
T2  - Plant
JF  - Plant
JO  - Plant
SP  - 26
EP  - 35
PB  - Science Publishing Group
SN  - 2331-0677
UR  - https://doi.org/10.11648/j.plant.20221001.14
AB  - Enhancing water productivity of irrigated crops through Agricultural water management is a vital option in water scarce areas, such as, Rift valley. Accordingly, a field experiment was conducted at Werer Agricultural Research Center to evaluate the effects of deficit irrigation and straw mulching levels on growth, yield and water productivity of onion (Allium cepa L.). The experiment was laid out in a randomized complete block design in factorial arrangement of three levels of irrigation (100, 80 and 60% of Crop Evapotranspiration and four levels of straw mulch (0, 3, 6 and 9ton wheat straw per ha) in three replications. The output of Cropwat model indicated that the highest seasonal water requirement of onion was 422.5 mm at 100% ETc while; the lowest was 253.5 mm at 60% ETc. The analysis of variance revealed that there was significant (p3) and the lowest (6.11 kg/m3) were recorded from the plots treated with 60% ETc and 9 t/ha straw mulch, and 100% ETc and no mulch treatments, respectively. Therefore, in terms of marketable bulb yield and water productivity, irrigating with 80% ETc with 6 t/ha straw mulch would be recommended for production of onion in the study area.
VL  - 10
IS  - 1
ER  -

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