Core Viewpoint - The seaweed fertilizer industry in China is experiencing rapid growth due to the need for sustainable agricultural practices and government policies aimed at reducing chemical fertilizer usage. The market size is projected to reach 17.56 billion yuan in 2024, reflecting a year-on-year increase of 14.9% [1][8]. Industry Overview - Seaweed fertilizer is derived from marine brown algae and is processed to enhance soil quality and crop yield. It contains active ingredients such as seaweed polysaccharides and plant growth regulators, which promote root development and improve soil structure [3][4]. Market Size and Growth - The market size of the seaweed fertilizer industry in China is expected to reach 17.56 billion yuan in 2024, with a year-on-year growth of 14.9% [1][8]. - The production volume of seaweed fertilizer is projected to reach 1.39 million tons in 2024, marking a 6.1% increase from the previous year [7][8]. - The demand for seaweed fertilizer is anticipated to reach 1.35 million tons in 2024, reflecting a year-on-year growth of 5.5% [7][8]. Supply Chain - The seaweed fertilizer industry consists of an upstream segment focused on the harvesting and initial processing of seaweed, a midstream segment for production, and a downstream segment for agricultural application [6]. - The primary raw materials include brown, red, and green algae, with brown algae being the most commonly used due to its rich active components [6]. Competitive Landscape - There are over 300 companies in the seaweed fertilizer production sector, but only a few possess the advanced technology and resources necessary for high-quality production [9]. - Key players in the industry include Qingdao Haida, Beijing Leili, and others, which have established strong brand recognition and product quality [9][10]. Development Trends - Technological innovation is expected to drive product upgrades, with advancements in extraction and fermentation techniques enhancing the efficiency and environmental sustainability of seaweed fertilizers [11][12]. - The market demand for specialized seaweed fertilizers is growing, with products being developed for specific agricultural needs, such as drought resistance and soil improvement [13][14]. - The increasing consumer awareness regarding food safety and organic products is likely to expand the application of seaweed fertilizers in high-end agricultural markets [14].