Enhancing growth and physiological traits in alfalfa by alleviating salt stress through biochar, hydrogel, and biofertilizer applications

文献类型： 外文期刊

第一作者： Jabborova, Dilfuza

作者： Jabborova, Dilfuza;Zhang, Yu;Alhewairini, Saleh S.;Jabbarov, Zafarjon;Abdrakhmanov, Tokhtasin;Imomov, Otamurod;Abdusamatov, Sokhibjon;Barasarathi, Jayanthi;Saharan, Baljeet Singh;Sayyed, Riyaz

作者机构：

关键词： biofertilizer; nitrogen fixation; plant growth promotion; salinity stress; sustainable agriculture

期刊名称：FRONTIERS IN MICROBIOLOGY （ 影响因子：4.5； 五年影响因子：5.2 ）

ISSN：

年卷期： 2025 年 16 卷

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收录情况： SCI

摘要： Introduction Salinity is a significant abiotic stress that affects the growth, physiology, and yield of crop plants across the globe. Sustainable measures to mitigate saline soil and prevent yield losses require immediate attention. The present study aimed to determine the impacts of hydrogel, biochar, and biofertilizer on alfalfa growth and physiological properties under salt stress.Methods The experiment was performed in a randomized block design with three replications on the dried bottom of the Aral Sea, consisting of control (T1), hydrogel alone (T2), biochar alone (T3), and biofertilizer alone (T4). Plant growth parameters, root morphological traits, and physiological properties were analyzed after 60 days of sowing.Results The results showed significant improvement in shoot length, shoot dry weight, and root dry weight in biochar alone (T3) and biofertilizer alone (T4) treated plants compared to control (T1) and hydrogel (T2). However, the application of biochar alone (T3) exhibited more pronounced effects compared to other treatments.Discussion Biochar treatment resulted in the highest chlorophyll a and total chlorophyll contents under salt stress. Soil amendments with biochar, hydrogel, and biofertilizer promote alfalfa growth and yield and help mitigate the adverse impact of salt stress.

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