I. Forms and Availability of Phosphorus in Soil Soil phosphorus can be categorized into two major classes based on its chemical properties:  organic phosphorus  and  inorganic phosphorus . The vast majority exists in forms not readily available to plants, such as insoluble inorganic phosphates bound to iron, aluminum, and calcium, or as organic phosphorus compounds (e.g., phytates, phospholipids). Plants primarily absorb  orthophosphate ions (H₂PO₄⁻ or HPO₄²⁻)  from the soil

I. Russia: Port Expansion to Boost Mineral Fertilizer Exports by 8–12% Following the completion of the expansion at Russia’s Ust-Luga Port Favor terminal, the country’s export capacity for mineral fertilizers is expected to increase by 8–12%. The terminal is open to all fertilizer producers and offers a key advantage in handling efficiency compared with non-specialized ports. At present, Russia still lacks sufficient dedicated port infrastructure for mineral fertilizers. The

When a high-quality seaweed extract has been properly selected, the real release of its value often lies in the details of precision application. In our previous article, “ Seaweed Extracts for Agricultural Use: A Comprehensive Guide from Definition to Selection ,”  we systematically analyzed the differences in how seaweed extracts are understood and categorized. By now, it should be clear that although products may all be labeled as “seaweed extract,” differences in raw mate