Investigating the effect of seaweed extract and humic acid on the quantitative and qualitative performance of sugar beet under water stress

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dc.contributor.authorAjirlu, Tawakkel Fekri1
dc.contributor.authorFarzaneh, Salim
dc.contributor.authorTobe, Ahmed
dc.contributor.authorSharifi, Rauf Seyed
dc.contributor.authorNouri, Mohsen
dc.contributor.authorGitari, Harun
dc.contributor.authorHeydarzadeh, Saeid
dc.date.accessioned2025-01-16T07:48:06Z
dc.date.available2025-01-16T07:48:06Z
dc.date.issued2025-01-16
dc.descriptionArticle
dc.description.abstractWater stress is one of the major limitations in crop production and performance stability. This study aimed to investigate the effect of biological stimulants on the quantitative and qualitative performance of sugar beet under drought stress. A field experiment was conducted to evaluate the effect of irrigation regimes (irrigation after 80, 160, 240, and 320 mm of water evaporation from the class A pan) and the application of biological stimulants at 5 levels (control, seaweed extract at 3 and 6 kg ha⁻¹, humic acid at 3 and 6 kg ha⁻¹). The results showed that the highest gross sugar (15.99%), extraction coefficient (77.31%), and pure sugar (12.37%) were obtained under irrigation conditions after 240 mm of water evaporation, while the highest levels of sodium (16.4%) and nitrogen (3%) were ob tained under irrigation conditions after 320 mm of water evaporation. The use of biological stimulants caused a significant increase in gross sugar and pure sugar and a reduction in sodium and nitrogen compared with the control treatment. The maximum root yield (74.06 t ha⁻¹) and pure sugar yield (8.42 t ha⁻¹) were obtained in the foliar application of 6 kg ha⁻¹ of humic acid under irrigation conditions after 80 mm of water evaporation. In general, 6 kg ha⁻¹ of seaweed extract and 3 kg ha⁻¹ of humic acid under moisture stress conditions reduced sugar beet root impurities such as sodium and harmful nitrogen. As a result, the efficiency of root sugar extraction was significantly improved, and the sugar percentage of molasses was reduced
dc.identifier.citationFekri Ajirlu T., S. Farzaneh, A. Tobe, R. Seyed Sharifi, M. Nouri, H. Gitari and S. Heydarzadeh. 2025. Investigating the effect of seaweed extract and humic acid on the quantitative and qualitative performance of sugar beet under water stress. Iranian Journal of Plant Physiology 15(1), 5331- 5344.
dc.identifier.urihttps://ir-library.ku.ac.ke/handle/123456789/29431
dc.language.isoen
dc.publisherIslamic Azad University
dc.titleInvestigating the effect of seaweed extract and humic acid on the quantitative and qualitative performance of sugar beet under water stress
dc.typeArticle
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