The global blue-green algae fertilizer market is experiencing significant growth, projected to reach USD XXX million by 2033, exhibiting a robust Compound Annual Growth Rate (CAGR) during the forecast period (2025-2033). The market's expansion is fueled by the increasing demand for sustainable and eco-friendly agricultural practices. Farmers are increasingly adopting biofertilizers as a viable alternative to synthetic fertilizers, driven by concerns regarding environmental degradation, soil health deterioration, and the rising costs associated with conventional fertilizers. Blue-green algae, a naturally occurring nitrogen-fixing organism, offers a compelling solution, providing essential nutrients to crops while minimizing the negative environmental impacts of chemical fertilizers. The historical period (2019-2024) witnessed a steady rise in market size, laying the foundation for the accelerated growth projected in the coming years. This upward trend is further bolstered by government initiatives promoting sustainable agriculture, growing awareness among farmers about the benefits of biofertilizers, and continuous research and development efforts focused on improving the efficacy and cost-effectiveness of blue-green algae-based fertilizers. The estimated market size in 2025 is USD XXX million, reflecting the current strong momentum. Furthermore, technological advancements in algae cultivation and processing are playing a crucial role in improving the scalability and economic viability of blue-green algae fertilizers, making them increasingly accessible to a wider range of farmers globally. The market is witnessing a gradual shift towards large-scale production, driven by the increasing demand from both smallholder and commercial farmers. This shift is expected to fuel further market expansion in the years to come. The market segmentation based on different types of blue-green algae and application methods further contributes to the complexity and dynamism of this evolving sector.