Management of Excessive Soil H+ Ion Induced Toxicities by Application of Organic Seaweed Amendment Enhances Photosynthesis and Resource Use Efficiencies in Rice (Oryza Sativa)

    January 2024 in “ Environmental Research ”
    Kanagaraj Muthu-Pandian Chanthini, Ganesh-Subbaraja Pavithra, Ponnusamy Murugan, Pauldurai Malarvizhi, Arulsoosairaj Deva-Andrews, Ramakrishnan Ramasubramanian, Narayanan Thulasi-Raman, Guilherme Malafaia, Sengottayan Senthil‐Nathan, Jarosław Proćków
    Studysummary In this study, the authors reported that Sargassum wightii seaweed-based biostimulants improved soil quality and enhanced rice plant growth and yield by ameliorating acid soil effects, boosting antioxidant enzyme activity, and facilitating nitrogen uptake, photosynthesis, and water use efficiency.
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    The study demonstrated that applying organic seaweed amendments significantly improved soil quality and rice yield in acid soils. Seaweed extracts, particularly from Sargassum wightii, were found to enhance photosynthesis and resource use efficiencies in rice by providing essential nutrients and reducing metal toxicity. This environmentally friendly and cost-effective method shows promise as a soil conditioner and plant growth biostimulant, offering a sustainable alternative to traditional chemical fertilizers.
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