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Response of onion growth and yield grown in soils of semi-arid regions to foliar application of iron under water stress conditions

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dc.contributor.authorGar, Laith Farhan
dc.contributor.authorBader, Basem Rahem
dc.contributor.authorAl-Esawi, Jabbar Shihab Eyada
dc.contributor.authorAbood, Mohammed Ali
dc.contributor.authorSallume, Mohammed Obed
dc.contributor.authorHamdi, Ghassan Jaafar
dc.date.accessioned2021-05-03T10:51:42Z
dc.date.available2021-05-03T10:51:42Z
dc.date.issued2021
dc.descriptionSaabunud / Received 26.11.2020 ; Aktsepteeritud / Accepted 03.05.2021 ; Avaldatud veebis / Published online 03.05.2021 ; Vastutav autor / Corresponding author: Ghassan Jaafar Hamdi ghassanhamdi38@gmail.comest
dc.description.abstractIron (Fe) is one of the major micronutrient crucial for plant growth, yield and quality. A field experiment was conducted in Fallujah, Iraq during the autumn season in 2019 to study the effects of foliar appli-cation of iron and irrigation levels on growth characteristics and yield of onion (Allium cepa L.). A two-factorial experiment arranged as a rando-mized complete block design with three replications was conducted in loamy sand soil. The two factors were water stress (50, 75, and 100% con-sumptive use of water) and iron concentrations (0, 100 and 200 mg L–1). The results show a significant decrease in plant height, number of bulbs, total chlorophyll content, dry mass, iron content in the leaves, the average weight of bulbs and total yield of bulbs by reducing irrigation levels from 100 to 50% of the water supply. Application of iron by foliar spraying significantly increased most of the aforementioned traits. The interactions between iron and irrigation levels were significant in most of the measured traits. The interaction between 100% water supply and 100 mg L–1 of iron achieved the highest total yield value (4 332 Mg ha–1) while the combina-tion of 75% of water supply and 100 mg L–1 of iron gave the highest value of water use efficiency (84.7%).eng
dc.identifier.issn2228-4893
dc.identifier.publicationAgraarteadus : Journal of Agricultural Science, 2021, vol. 32, no. 1, pp. 35–40est
dc.identifier.urihttp://hdl.handle.net/10492/6464
dc.identifier.urihttps://doi.org/10.15159/jas.21.06
dc.publisherEstonian Academic Agricultural Societyeng
dc.rightsCreative Commons Attribution 4.0 International (CC BY 4.0) ; openAccesseng
dc.rights.holderAuthors of accepted articles retain all rights to use, reuse, and distribute the published research as long as the author credits the original publication in this journal. The authors submitting to the journal are expected to follow the general ethical guidelines regarding plagiarism. If in doubt consult the ICMJ guidelines on overlapping publications. Once accepted the journal retain the right to print and distribute the manuscript submitted by the author.eng
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectironeng
dc.subjectwater stresseng
dc.subjectbulbs onioneng
dc.subjectmicronutrientseng
dc.subjectiron foliar sprayingeng
dc.subjectarticleseng
dc.titleResponse of onion growth and yield grown in soils of semi-arid regions to foliar application of iron under water stress conditionseng
dc.typeArticleeng

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2021, Vol. 32, No. 1