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Journal of Medicinal Plants and By-products، جلد ۱۳، شماره ۴، صفحات ۱۰۶۲-۱۰۷۱
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عنوان انگلیسی Influence of a Novel Superabsorbent Slow-release Fertilizer and Water Deficit on Herbage Biomass and Oil Production of Thymus daenensis
چکیده انگلیسی مقاله Fertilizers and water play critical roles in supporting plant growth, and enhancing the efficiency of their application is essential, especially in drought-affected regions, to maximize the utilization of these vital resources. In this study, our objective was to examine the impact of water deficit stress and a superabsorbent slow-release fertilizer (SSRF) on the growth, yield, and oil production of Thymus daenensis Čelak.. The experiments were conducted using a total of 27 drainage lysimeters to ensure accurate measurements and observations. The experiment was designed as a completely randomized factorial design, specifically investigating the effects of three fertilizer rates (0, 10, and 50 Mg/ha) and three irrigation regimes (50%, 70%, and 100% of water requirement). The synthesis of the SSRF involved the graft-copolymerization of acrylic acid and acrylamide onto sodium alginate and rapeseed meal biochar. The preparation of the biochar was carried out at a temperature of 300 ºC. The surface morphology analysis of the SSRF provided evidence for the successful occurrence of graft polymerization. Additionally, the graft copolymers exhibited a significant nitrogen content, which greatly contributed to their high free-absorbency capacity of 40%. as determined by the tea bag method. The results of the study indicate that water stress had a negative impact on growth, herbage production, and herbage content. Conversely, water stress had a positive influence on the essential oil content of the plants. Based on the findings, it can be concluded that the application of 50 Mg/ha fertilizer resulted in a significant increase in biomass production compared to the other treatments.
کلیدواژه‌های انگلیسی مقاله Acrylamide, Growth, yield, Graft-copolymerization, irrigation regimes, biochar
نویسندگان مقاله Jahangir Abedi-Koupai |
Department of Water Science and Engineering, College of Agriculture, Isfahan University of Technology, Isfahan, Iran

Mina Baki |
Department of Water Science and Engineering, College of Agriculture, Isfahan University of Technology, Isfahan, Iran

Mohammad Javad Amiri |
Department of Water Engineering, Faculty of Agriculture, Fasa University, Fasa, Iran

نشانی اینترنتی https://jmpb.areeo.ac.ir/article_130633_2aa26b05178293a86addd911076dbe71.pdf
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