Simulation of Onion Response to Soil Moisture Stress at Different Growth Stages on Yield and Water Productivity Using Aquacrop

Solomon Gezie Kebede; István Waltner

doi:doi:10.11648/j.ajasr.20241002.12

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Simulation of Onion Response to Soil Moisture Stress at Different Growth Stages on Yield and Water Productivity Using Aquacrop

Solomon Gezie Kebede^*

, István Waltner

Published in American Journal of Applied Scientific Research (Volume 10, Issue 2)

Received: 19 February 2024 Accepted: 19 March 2024 Published: 23 July 2024

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Abstract

The objective of this study is to select the most effective water-saving techniques and improve the water productivity of irrigated onion. The phenological growth of onion, the crop was subjected to moisture stress during one, two, or three of the growth stages. The highest yield attained was 21.157 tons/ha and the lowest was 7.177 tons/ha. Treatments T3 & T4 were water stressed during second and last growth stages produce yields that weren’t significantly different from the yield achieved under completely irrigated (T1). Compared to the maximum yield, 22.3% to 48.4% lower yields were recorded under treatments subjected to water deficiency during two growth stages. Treatments that were stressed during one growth stage had a 2.6 to 42.7% yield reduction relative to the maximum yield. The highest yield reduction was observed under treatment irrigated during the first growth stage (T8), followed by irrigated during first and second growth stages (T7), first and late stages (T5) and then treatment not irrigated during midseason (T2). This shows that a prolonged deficiency over three growing stages has more yield reduction (T8). Plots stressed during both third and fourth growth stages were producing lower yields indicating the severe effects of water stress during flowering and early bulb filling stages on yield. Water savings achieved under different treatments with no significant differences in yield from full irrigated plots range 11.8% to 21.7% (T4 & T3) respectively.

Published in	American Journal of Applied Scientific Research (Volume 10, Issue 2)
DOI	10.11648/j.ajasr.20241002.12
Page(s)	35-40
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

Keywords

Deficit Irrigation, Water Use Efficiency, Canopy Cover, Yield, Water Productivity

References

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APA Style

Kebede, S. G., Waltner, I. (2024). Simulation of Onion Response to Soil Moisture Stress at Different Growth Stages on Yield and Water Productivity Using Aquacrop. American Journal of Applied Scientific Research, 10(2), 35-40. https://doi.org/10.11648/j.ajasr.20241002.12

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ACS Style

Kebede, S. G.; Waltner, I. Simulation of Onion Response to Soil Moisture Stress at Different Growth Stages on Yield and Water Productivity Using Aquacrop. Am. J. Appl. Sci. Res. 2024, 10(2), 35-40. doi: 10.11648/j.ajasr.20241002.12

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AMA Style

Kebede SG, Waltner I. Simulation of Onion Response to Soil Moisture Stress at Different Growth Stages on Yield and Water Productivity Using Aquacrop. Am J Appl Sci Res. 2024;10(2):35-40. doi: 10.11648/j.ajasr.20241002.12

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@article{10.11648/j.ajasr.20241002.12,
  author = {Solomon Gezie Kebede and István Waltner},
  title = {Simulation of Onion Response to Soil Moisture Stress at Different Growth Stages on Yield and Water Productivity Using Aquacrop
},
  journal = {American Journal of Applied Scientific Research},
  volume = {10},
  number = {2},
  pages = {35-40},
  doi = {10.11648/j.ajasr.20241002.12},
  url = {https://doi.org/10.11648/j.ajasr.20241002.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajasr.20241002.12},
  abstract = {The objective of this study is to select the most effective water-saving techniques and improve the water productivity of irrigated onion. The phenological growth of onion, the crop was subjected to moisture stress during one, two, or three of the growth stages. The highest yield attained was 21.157 tons/ha and the lowest was 7.177 tons/ha. Treatments T3 & T4 were water stressed during second and last growth stages produce yields that weren’t significantly different from the yield achieved under completely irrigated (T1). Compared to the maximum yield, 22.3% to 48.4% lower yields were recorded under treatments subjected to water deficiency during two growth stages. Treatments that were stressed during one growth stage had a 2.6 to 42.7% yield reduction relative to the maximum yield. The highest yield reduction was observed under treatment irrigated during the first growth stage (T8), followed by irrigated during first and second growth stages (T7), first and late stages (T5) and then treatment not irrigated during midseason (T2). This shows that a prolonged deficiency over three growing stages has more yield reduction (T8). Plots stressed during both third and fourth growth stages were producing lower yields indicating the severe effects of water stress during flowering and early bulb filling stages on yield. Water savings achieved under different treatments with no significant differences in yield from full irrigated plots range 11.8% to 21.7% (T4 & T3) respectively.
},
 year = {2024}
}

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TY  - JOUR
T1  - Simulation of Onion Response to Soil Moisture Stress at Different Growth Stages on Yield and Water Productivity Using Aquacrop

AU  - Solomon Gezie Kebede
AU  - István Waltner
Y1  - 2024/07/23
PY  - 2024
N1  - https://doi.org/10.11648/j.ajasr.20241002.12
DO  - 10.11648/j.ajasr.20241002.12
T2  - American Journal of Applied Scientific Research
JF  - American Journal of Applied Scientific Research
JO  - American Journal of Applied Scientific Research
SP  - 35
EP  - 40
PB  - Science Publishing Group
SN  - 2471-9730
UR  - https://doi.org/10.11648/j.ajasr.20241002.12
AB  - The objective of this study is to select the most effective water-saving techniques and improve the water productivity of irrigated onion. The phenological growth of onion, the crop was subjected to moisture stress during one, two, or three of the growth stages. The highest yield attained was 21.157 tons/ha and the lowest was 7.177 tons/ha. Treatments T3 & T4 were water stressed during second and last growth stages produce yields that weren’t significantly different from the yield achieved under completely irrigated (T1). Compared to the maximum yield, 22.3% to 48.4% lower yields were recorded under treatments subjected to water deficiency during two growth stages. Treatments that were stressed during one growth stage had a 2.6 to 42.7% yield reduction relative to the maximum yield. The highest yield reduction was observed under treatment irrigated during the first growth stage (T8), followed by irrigated during first and second growth stages (T7), first and late stages (T5) and then treatment not irrigated during midseason (T2). This shows that a prolonged deficiency over three growing stages has more yield reduction (T8). Plots stressed during both third and fourth growth stages were producing lower yields indicating the severe effects of water stress during flowering and early bulb filling stages on yield. Water savings achieved under different treatments with no significant differences in yield from full irrigated plots range 11.8% to 21.7% (T4 & T3) respectively.

VL  - 10
IS  - 2
ER  -

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Author Information

Solomon Gezie Kebede

Soil and Water Research, Debre Zeit Agricultural Research Center, Debre Zeit, Ethiopia

Contact Email

http://orcid.org/0000-0001-7120-8843
István Waltner

Water Management & Climate Adaptation, Hungarian University of Agriculture and Life Sciences, Gödöllő, Hungary

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APA Style

Kebede, S. G., Waltner, I. (2024). Simulation of Onion Response to Soil Moisture Stress at Different Growth Stages on Yield and Water Productivity Using Aquacrop. American Journal of Applied Scientific Research, 10(2), 35-40. https://doi.org/10.11648/j.ajasr.20241002.12

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ACS Style

Kebede, S. G.; Waltner, I. Simulation of Onion Response to Soil Moisture Stress at Different Growth Stages on Yield and Water Productivity Using Aquacrop. Am. J. Appl. Sci. Res. 2024, 10(2), 35-40. doi: 10.11648/j.ajasr.20241002.12

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AMA Style

Kebede SG, Waltner I. Simulation of Onion Response to Soil Moisture Stress at Different Growth Stages on Yield and Water Productivity Using Aquacrop. Am J Appl Sci Res. 2024;10(2):35-40. doi: 10.11648/j.ajasr.20241002.12

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@article{10.11648/j.ajasr.20241002.12,
  author = {Solomon Gezie Kebede and István Waltner},
  title = {Simulation of Onion Response to Soil Moisture Stress at Different Growth Stages on Yield and Water Productivity Using Aquacrop
},
  journal = {American Journal of Applied Scientific Research},
  volume = {10},
  number = {2},
  pages = {35-40},
  doi = {10.11648/j.ajasr.20241002.12},
  url = {https://doi.org/10.11648/j.ajasr.20241002.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajasr.20241002.12},
  abstract = {The objective of this study is to select the most effective water-saving techniques and improve the water productivity of irrigated onion. The phenological growth of onion, the crop was subjected to moisture stress during one, two, or three of the growth stages. The highest yield attained was 21.157 tons/ha and the lowest was 7.177 tons/ha. Treatments T3 & T4 were water stressed during second and last growth stages produce yields that weren’t significantly different from the yield achieved under completely irrigated (T1). Compared to the maximum yield, 22.3% to 48.4% lower yields were recorded under treatments subjected to water deficiency during two growth stages. Treatments that were stressed during one growth stage had a 2.6 to 42.7% yield reduction relative to the maximum yield. The highest yield reduction was observed under treatment irrigated during the first growth stage (T8), followed by irrigated during first and second growth stages (T7), first and late stages (T5) and then treatment not irrigated during midseason (T2). This shows that a prolonged deficiency over three growing stages has more yield reduction (T8). Plots stressed during both third and fourth growth stages were producing lower yields indicating the severe effects of water stress during flowering and early bulb filling stages on yield. Water savings achieved under different treatments with no significant differences in yield from full irrigated plots range 11.8% to 21.7% (T4 & T3) respectively.
},
 year = {2024}
}

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TY  - JOUR
T1  - Simulation of Onion Response to Soil Moisture Stress at Different Growth Stages on Yield and Water Productivity Using Aquacrop

AU  - Solomon Gezie Kebede
AU  - István Waltner
Y1  - 2024/07/23
PY  - 2024
N1  - https://doi.org/10.11648/j.ajasr.20241002.12
DO  - 10.11648/j.ajasr.20241002.12
T2  - American Journal of Applied Scientific Research
JF  - American Journal of Applied Scientific Research
JO  - American Journal of Applied Scientific Research
SP  - 35
EP  - 40
PB  - Science Publishing Group
SN  - 2471-9730
UR  - https://doi.org/10.11648/j.ajasr.20241002.12
AB  - The objective of this study is to select the most effective water-saving techniques and improve the water productivity of irrigated onion. The phenological growth of onion, the crop was subjected to moisture stress during one, two, or three of the growth stages. The highest yield attained was 21.157 tons/ha and the lowest was 7.177 tons/ha. Treatments T3 & T4 were water stressed during second and last growth stages produce yields that weren’t significantly different from the yield achieved under completely irrigated (T1). Compared to the maximum yield, 22.3% to 48.4% lower yields were recorded under treatments subjected to water deficiency during two growth stages. Treatments that were stressed during one growth stage had a 2.6 to 42.7% yield reduction relative to the maximum yield. The highest yield reduction was observed under treatment irrigated during the first growth stage (T8), followed by irrigated during first and second growth stages (T7), first and late stages (T5) and then treatment not irrigated during midseason (T2). This shows that a prolonged deficiency over three growing stages has more yield reduction (T8). Plots stressed during both third and fourth growth stages were producing lower yields indicating the severe effects of water stress during flowering and early bulb filling stages on yield. Water savings achieved under different treatments with no significant differences in yield from full irrigated plots range 11.8% to 21.7% (T4 & T3) respectively.

VL  - 10
IS  - 2
ER  -

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