Deficit irrigation is one of the techniques used to enhance water productivity without significant yield loss in semiarid areas. A field experiment was conducted at Werer, Middle Awash Valley during the dry season of the 2017/18, 2018/19 and 2019/20 for three consecutive years to investigate the effects of deficit irrigation levels and furrow irrigation methods on onion yield and water productivity. Split plot design with three replications, in which the irrigation methods (Conventional, Fixed and Alternate Furrow) were assigned to the main plot and the three deficit levels (100% ETc, 75% ETc and 50% ETc), were in the sub-plot. Results indicate that marketable onion bulb yield and water productivity were highly affected by the interaction effect of furrow irrigation methods and irrigation levels (p<0.05). The highest bulb yield (17580.43 kg ha-) and water productivity (11.79 kg/m3) were obtained from conventional furrow irrigation method with100% ETc and alternate furrow irrigation with 50% ETc respectively. Considering water saved and maximum yield, Onion irrigated by AFI 100% ETC resulted in 15% yield reduction with up to 50% irrigation water saving as compared to CFI 100% ETc. The present study suggests that, under water limiting conditions, adopting alternate furrow irrigation with 100% ETc can be an alternative to increase water productivity without significant yield reduction.
Published in | American Journal of Plant Biology (Volume 6, Issue 4) |
DOI | 10.11648/j.ajpb.20210604.14 |
Page(s) | 95-100 |
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), 2021. Published by Science Publishing Group |
Semiarid, Deficit Irrigation Level, Alternate Furrow, Onion, Water Productivity
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APA Style
Nigusie Abebe, Kebede Nanesa, Jemal Mohammed, Wondimu Tolcha, Fikadu Robi. (2021). Effect of Furrow Irrigation Techniques and Deficit Irrigation Levels on Yield and Water Productivity of Onion (Allium cepa l.) at Werer, Middle Awash Valley, Ethiopia. American Journal of Plant Biology, 6(4), 95-100. https://doi.org/10.11648/j.ajpb.20210604.14
ACS Style
Nigusie Abebe; Kebede Nanesa; Jemal Mohammed; Wondimu Tolcha; Fikadu Robi. Effect of Furrow Irrigation Techniques and Deficit Irrigation Levels on Yield and Water Productivity of Onion (Allium cepa l.) at Werer, Middle Awash Valley, Ethiopia. Am. J. Plant Biol. 2021, 6(4), 95-100. doi: 10.11648/j.ajpb.20210604.14
AMA Style
Nigusie Abebe, Kebede Nanesa, Jemal Mohammed, Wondimu Tolcha, Fikadu Robi. Effect of Furrow Irrigation Techniques and Deficit Irrigation Levels on Yield and Water Productivity of Onion (Allium cepa l.) at Werer, Middle Awash Valley, Ethiopia. Am J Plant Biol. 2021;6(4):95-100. doi: 10.11648/j.ajpb.20210604.14
@article{10.11648/j.ajpb.20210604.14, author = {Nigusie Abebe and Kebede Nanesa and Jemal Mohammed and Wondimu Tolcha and Fikadu Robi}, title = {Effect of Furrow Irrigation Techniques and Deficit Irrigation Levels on Yield and Water Productivity of Onion (Allium cepa l.) at Werer, Middle Awash Valley, Ethiopia}, journal = {American Journal of Plant Biology}, volume = {6}, number = {4}, pages = {95-100}, doi = {10.11648/j.ajpb.20210604.14}, url = {https://doi.org/10.11648/j.ajpb.20210604.14}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajpb.20210604.14}, abstract = {Deficit irrigation is one of the techniques used to enhance water productivity without significant yield loss in semiarid areas. A field experiment was conducted at Werer, Middle Awash Valley during the dry season of the 2017/18, 2018/19 and 2019/20 for three consecutive years to investigate the effects of deficit irrigation levels and furrow irrigation methods on onion yield and water productivity. Split plot design with three replications, in which the irrigation methods (Conventional, Fixed and Alternate Furrow) were assigned to the main plot and the three deficit levels (100% ETc, 75% ETc and 50% ETc), were in the sub-plot. Results indicate that marketable onion bulb yield and water productivity were highly affected by the interaction effect of furrow irrigation methods and irrigation levels (p-) and water productivity (11.79 kg/m3) were obtained from conventional furrow irrigation method with100% ETc and alternate furrow irrigation with 50% ETc respectively. Considering water saved and maximum yield, Onion irrigated by AFI 100% ETC resulted in 15% yield reduction with up to 50% irrigation water saving as compared to CFI 100% ETc. The present study suggests that, under water limiting conditions, adopting alternate furrow irrigation with 100% ETc can be an alternative to increase water productivity without significant yield reduction.}, year = {2021} }
TY - JOUR T1 - Effect of Furrow Irrigation Techniques and Deficit Irrigation Levels on Yield and Water Productivity of Onion (Allium cepa l.) at Werer, Middle Awash Valley, Ethiopia AU - Nigusie Abebe AU - Kebede Nanesa AU - Jemal Mohammed AU - Wondimu Tolcha AU - Fikadu Robi Y1 - 2021/12/24 PY - 2021 N1 - https://doi.org/10.11648/j.ajpb.20210604.14 DO - 10.11648/j.ajpb.20210604.14 T2 - American Journal of Plant Biology JF - American Journal of Plant Biology JO - American Journal of Plant Biology SP - 95 EP - 100 PB - Science Publishing Group SN - 2578-8337 UR - https://doi.org/10.11648/j.ajpb.20210604.14 AB - Deficit irrigation is one of the techniques used to enhance water productivity without significant yield loss in semiarid areas. A field experiment was conducted at Werer, Middle Awash Valley during the dry season of the 2017/18, 2018/19 and 2019/20 for three consecutive years to investigate the effects of deficit irrigation levels and furrow irrigation methods on onion yield and water productivity. Split plot design with three replications, in which the irrigation methods (Conventional, Fixed and Alternate Furrow) were assigned to the main plot and the three deficit levels (100% ETc, 75% ETc and 50% ETc), were in the sub-plot. Results indicate that marketable onion bulb yield and water productivity were highly affected by the interaction effect of furrow irrigation methods and irrigation levels (p-) and water productivity (11.79 kg/m3) were obtained from conventional furrow irrigation method with100% ETc and alternate furrow irrigation with 50% ETc respectively. Considering water saved and maximum yield, Onion irrigated by AFI 100% ETC resulted in 15% yield reduction with up to 50% irrigation water saving as compared to CFI 100% ETc. The present study suggests that, under water limiting conditions, adopting alternate furrow irrigation with 100% ETc can be an alternative to increase water productivity without significant yield reduction. VL - 6 IS - 4 ER -