Herbicide and Fertilizer for ISU Northwestern Research Farm

Iowa State University of Science and Technology (ISU) is soliciting information from qualified contractors to provide custom application of herbicides and liquid/dry fertilizer at the ISU Northwestern Research Farm, Sutherland, IA.

Iowa State University is requesting bids for herbicides and liquid/dry fertilizer custom applied to: Iowa State University Northwest Research Farm 6320 500th Street Sutherland, IA 51058

Fertilizers and pesticides will be used in the spring through fall, weather and field conditions permitting. The quantities listed reflect our best estimate of usage. Custom, variable-rate application using a machine capable of applying product separately or blend as they spread. This is an estimate of acres and may vary between flat and variable rate. The vendor servicing area must be within 30 miles as timing is important for research purposes or if you can guarantee to provide your services within a 24–48-hour window.

For Custom application, the price is to be quoted on a custom-applied basis to the farm. This includes all costs associated with your company supplying the fertilizer and pesticides, delivering the product, and performing the application at the specified rates. The Farm Manager, Andrew Weaver, will contact the vendor by phone when ready for application.

Pesticide applicators shall have a commercial pesticide applicators license in Categories 1A or 1B. Pesticide application shall be performed according to product label directions.

Material safety data sheets must accompany all deliveries. Unloading chemicals will not be allowed unless proper MSDS is presented. A delivery ticket shall be provided to the Farm Superintendent at delivery time.

Items

• Fertilizer: DAP 18-46-0, Potash 0-0-60, 90% sulfur, Zn 35.5%, VRT application (259 acres)
• Corn pre-emerge: Harness Xtra, Generic Callisto, CP application (120 acres)
• Corn post emerge: Harness Max, Atrazine, Power Max 3, NIS, AMS Liquid, CP application (120 acres)
• Corn fungicide: Veltyma, CP application (120 acres)
• SB pre-emerge: Valor, Zidua, Convnetro, CP application (90 acres)
• SB post emerge: Liberty Ultra, Clethodim, COC 17%, AMS Liquid, CP application (90 acres)
• Bean insecticide: Leverage 360, CP application (90 acres)

Submission:** responses are submitted through ISUBid. Contractors must submit all questions in the "Questions" tab. **Questions deadline: 11/5/2026 04:00 PM (CT).** **Response deadline: 11/12/2026 04:00 PM (CT).

The evaluation of this RFP/RFQ may be based upon, but not limited to: price; ability to meet specifications; be able to provide custom services within 48 hours after farm calls in order, weather permitting.

State the unit cost for each item bid. In case of variance between unit cost and total cost extensions, unit cost will govern.

**Insurance required:** Commercial General Liability, General Aggregate **$2,000,000**, Each Occurrence **$1,000,000**; Commercial Automobile Liability **$1,000,000** combined single limit each accident; Worker's Compensation and Employer's Liability statutory limits of $100,000/$500,000/$100,000; Excess/Umbrella Liability **$1,000,000** each occurrence/**$1,000,000** aggregate. Certificates must be issued and on file prior to starting any work.

Invoice(s) are to reference the contract purchase order number provided and must be mailed to Iowa State University Accounts Payable, Financial Services Building, 1015 Haber Road, Ames, IA 50011-1004 or e-mailed to invoices@iastate.edu.