Purchase/Delivery of Fertilizer Mix & Sulphur, CSO, Mendocino NF

Summary (Newest Update)

Background The U.S. Department of Agriculture (USDA) is issuing this Request for Quotation (RFQ) to secure supplies for the purchase and delivery of a blended mix of fertilizers and 90 to 100% Elemental Sulphur or Popcorn Sulphur. The goal is to improve the overall health of conifer seed orchards located at the Chico Seed Orchard (CSO) and Foresthill Seed Orchard (FSO). This contract aims to enhance soil quality and tree health across 129 acres of these orchards. Work Details The contract includes the following specific products: 1. **Blended Fertilizer for CSO (84 acres)**: - **Mix #1**: 26 acres, 9620 lbs total - MnSO4 at 30 lb/A: 780 lbs - FeSO4 at 50 lb/A: 1300 lbs - ZnSO4 at 50 lb/A: 1300 lbs - K2O potash at 200 lb/A: 5200 lbs - CuSO4 at 40 lb/A: 1040 lbs - **Mix #2**: 9 acres, 2610 lbs total - ZnSO4 at 50 lb/A: 450 lbs - K2O potash at 200 lb/A: 1800 lbs - CuSO4 at 40 lb/A: 360 lbs - **Mix #3**: 11 acres, 2750 lbs total - ZnSO4 at 50 lb/A: 550 lbs - K2O potash at 200 lb/A: 2200 lbs - **Mix #4**: 38 acres, 14060 lbs total - MnSO4 at 30 lb/A: 1140 lbs - FeSO4 at 50 lb/A: 1900 lbs - ZnSO4 at 50 lb/A: 1900 lbs - K2O potash at 200 lb/A: 7600 lbs - CuSO4 at 40 lb/A: 1520 lbs 2. **Elemental or Popcorn Sulphur** for CSO (84 acres): - Total required is approximately **63,000 lbs (31.5 tons)** to remedy soil pH, delivered in bulk. 3. **Blended Fertilizer for FSO (45 acres)**: - **Mix #5**: Total of **5400 lbs** - FeSO4 at a rate of 30 lb/A: **1350 lbs** - A balanced fertilizer (16-16-16) at a rate of **50 lb/A**: **2250 lbs** - CuSO4 at a rate of **40 lb/A**: **1800 lbs** Additionally, a spreader rental is requested for applying fertilizers specifically in the CSO. Period of Performance The fertilizer is needed by mid-May of 2026 and must be delivered no later than June 30, 2026. Place of Performance The work will be performed and supplies delivered to the Chico Seed Orchard located on the Mendocino National Forest in Chico, CA.