UNSPSC 10171609: Silica phosphate fertilizer

A chemical fertilizer that contains phosphorus acid, silicic acid, magnesia and lime. It is used to reduce insect damage and add vitality plant root systems.

UNSPSC 10171609 Silica phosphate fertilizer is a Commodity code that covers purchase and delivery of fertilizer products for landscape maintenance, wildlife habitat management, and wastewater treatment operations. State and local governments use this code primarily for routine grounds-keeping supplies—bagged granular fertilizers in standard nitrogen-phosphorus-potassium formulations delivered to parks, recreation areas, maintenance facilities, and specialized treatment systems. The issuing bodies span state resource agencies, county parks and public works departments, city water reclamation facilities, and regional mosquito-control districts. Recent solicitations show purchases ranging from under 35 tons for a single wildlife area to multi-year indefinite-quantity contracts for as-needed delivery across distributed county park networks.

Oregon Department of Fish and Wildlife posted an intermediate procurement (RFQ) on September 23, 2026 for up to 32 tons of fertilizer delivery to Jewell Meadows Wildlife Area near Seaside by October 31, 2026, with quotes due September 30. Gwinnett County, Georgia issued an Informal Written Quote on May 13, 2026 for 840 bags of ammonium sulfate (34-0-0) for parks and maintenance facilities across 15 delivery locations, due May 20. Pasco County, Florida posted an Invitation for Bid on May 12, 2026 for an as-needed herbicides, fertilizers, and pesticides contract running through September 30, 2029 with optional two-year extensions, requiring F.O.B. destination delivery to two maintenance facilities. City of Orem, Utah issued an RFP on September 3, 2026 for design and supply of a complete phosphorus control system for the Water Reclamation Facility—a more specialized application treating anaerobically digested sludge through struvite precipitation—with proposals due October 16 via the State of Utah's BonFire portal. Recent activity clusters in the Southeast (Georgia, Florida), Pacific Northwest (Oregon), and Mountain West (Utah), with smaller jurisdictions and county-level operations as primary buyers.