Opportunity

Iowa State University Ionwave #RFQ-1001534 Addendum 1

Bulk fertilizer delivery and custom application for Iowa State University Ames Area Farms

Posted

November 02, 2026

Respond By

November 16, 2026

Identifier

RFQ-1001534 Addendum 1

NAICS

115112, 424910

Iowa State University’s Ames Area Farms is seeking bulk fertilizer delivery and custom application for fall farm operations. - Buyer: Iowa State University of Science and Technology, Ames Area Farms. - OEMs and vendors: No fertilizer manufacturers or vendors are named. Kent Berns is identified as the delivery contact. - Fertilizer requested: - Delivered: 12 tons MAP 11-52-0, 22 tons 0-0-62, and 2.5 tons elemental sulfur 0-0-0-90. - For custom application: 30 tons MAP 11-52-0, 62 tons 0-0-62, and 6.9 tons elemental sulfur 0-0-0-90. - Custom application: Estimated 448 acres variable-rate and 80 acres flat-rate, using coordinates provided by ISU. Sulfur is specified for flat-rate application. - Notable requirements: Application equipment must have a micro box and apply phosphorus, potassium, and sulfur separately. Delivered loads must be under 22 tons, and trucks must be able to auger into the ISU spreader. Each delivery requires delivery and weight tickets; fertilizers will be blended. - Permitted substitutions: MAP may be replaced with MES10, DAP, MESZ, or Super Triple at equivalent phosphorus rates; 0-0-60 may replace 0-0-62 at an equivalent potassium rate. Other sulfur forms may be used at equivalent rates, with other nutrients in substituted products not credited. Contractors must meet the applicable custom-farming insurance requirements.

Description

Iowa State University of Science and Technology is requesting bids for bulk farm fertilizer for the ISU Ames Area Farms. The procurement includes delivered fertilizer and custom application for fall 2026, including MAP, potash, and elemental sulfur, with specified quantities and permitted equivalent substitutions. Deliveries are to be arranged as requested, and delivered loads must be under 22 tons and auger into the university spreader. Custom application includes estimated variable-rate and flat-rate application areas using ISU-provided coordinates.

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