Biostimulants and Organic Amendments for Sustainable Agriculture

Dear Colleagues,

Biostimulants and organic amendments represent a rapidly evolving class of agricultural inputs with wide-ranging functions in plant development, soil–microbe interactions, nutrient dynamics, and overall agroecosystem health. Harnessing the diversity and mechanisms of these inputs offers major opportunities to design more resilient cropping systems, enhance plant performance under stress, and reduce dependency on synthetic fertilizers and pesticides. Moreover, research on biostimulants and organic amendments has significantly expanded our understanding of the physiological regulation of plants, the ecological processes of soil, and the complex interplay between plants and their environment. Although substantial progress has been made, much remains to be explored as analytical tools become more sensitive, biostimulant formulations become more sophisticated, and our molecular and ecological understanding begins to move from controlled studies toward real-world agricultural systems. This Special Issue will highlight the function, diversity, and innovation surrounding biostimulants and organic amendments, emphasizing their roles in improving plant growth, nutrient-use efficiency, soil quality, and environmental sustainability. We welcome studies spanning the molecular and field scales, aimed at uncovering how these inputs can shape the future of sustainable agriculture and contribute to climate-smart and circular farming practices.

Dr. Michela Farneselli
Dr. Muhammad Zubair Akram
Guest Editors

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