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Integrated Application of Compost and Nitrogen-Fixing Bacteria Enhances Seed Yield and Essential Oil Production in Dill (Anethum graveolens L.) | |||
| Journal of Organic Farming of Medicinal Plants | |||
| دوره 2، شماره 2 - شماره پیاپی 29808552، شهریور 2023، صفحه 92-96 اصل مقاله (584.03 K) | |||
| نوع مقاله: Original Article | |||
| نویسنده | |||
| Farnaz Shahmohammadi | |||
| Faculty of Agriculture, Department of Agronomy, Roudehen Branch, Islamic Azad University, Roudehen , Iran | |||
| چکیده | |||
| A field experiment was conducted in 2021 at Firouzkuh, Iran, to investigate the effects of organic and bio fertilizers on seed yield and essential oil production in dill (Anethum graveolens L.). The study was arranged as a randomized complete block design with three replicates. Treatments included four fertilizer regimes: vermicompost at 6 t ha⁻¹, inoculation with a mixture of Azotobacter chroococcum and Azospirillum lipoferum, a combined treatment (vermicompost + inoculation), and an unfertilized control. Results showed that both organic and bio fertilizers significantly improved seed yield and essential oil traits compared with the control. The combined treatment produced the highest seed yield (1,246 kg ha⁻¹), essential oil content (2.11%), and essential oil yield (26.3 kg ha⁻¹). Vermicompost alone also had strong positive effects, whereas bacterial inoculation mainly enhanced oil yield by increasing seed production. The findings suggest that integrating organic amendments with nitrogen fixing bacteria can be an effective strategy to enhance both the quantity and quality of dill essential oil in sustainable cropping systems. | |||
| کلیدواژه‌ها | |||
| Dill؛ Compost؛ Azotobacter؛ Azospirillum؛ Essential oil | |||
| مراجع | |||
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