NIGP 33504: Additives and Supplements, Fertilizer

NIGP 33504 Additives and Supplements, Fertilizer (Item) covers the purchase of bulk fertilizers and related soil amendments that state and local governments buy to maintain parks, recreational facilities, and grounds. Recent solicitations show counties procuring specific formulations—such as 34-0-0 Ammonium Sulfate in 50-pound bags—for turf maintenance, as well as broader as-needed supply agreements covering herbicides, fertilizers, and pesticides bundled together for ongoing grounds operations. County parks and recreation departments and county maintenance divisions are the primary issuing bodies under this code. These purchases typically move through informal written quotes (IWQ) for small dollar amounts under $2,500, or Invitations for Bid (IFB) for multi-year supply contracts with estimated usage or cost ranges that may extend across three or more years with optional renewal periods.

Recent activity concentrates in Georgia and Florida. Gwinnett County, Georgia issued IWQ 130290 on May 13, 2026, requesting quotes for 840 bags of 34-0-0 Ammonium Sulfate with a May 20, 2026 response deadline, with awards made to the lowest responsive and responsible bidder and payment within 30 days of delivery. Pasco County, Florida released IFB-SP-26-074 on May 12, 2026, for as-needed herbicides, fertilizers, and pesticides with deliveries to two maintenance facilities and a June 16, 2026 bid deadline; the contract runs through September 30, 2029, with optional two-year extensions and CPI-U-indexed price adjustments permitted bi-annually. Both solicitations require vendors to demonstrate prior experience with comparable contracts, submit Material Safety Data Sheets, and meet delivery scheduling constraints tied to county maintenance operations. Neither solicitation carries designated disadvantaged-enterprise set-asides, though Pasco County offers Local Vendor Preference consideration with a Local Business Tax Receipt.