Discover why pure seaweed extract sourced from species like Ascophyllum nodosum is considered one of the best raw materials for seaweed-extract fertilizer production. Rich in essential nutrients such as nitrogen, phosphorus, potassium and trace elements like iron and zinc, as well as natural growth hormones like auxins and cytokinins, this marine-derived raw material boosts plant growth, enhances root development and strengthens stress resistance. Learn how to choose sustainable, high-quality seaweed extract fertilizers and tailor them to your crop needs.