Placerville Nursery Container Planting Soil Mix

This is for a quantity of 450 cubic yards. Mix shall be 60% peat moss and 40% vermiculite or agreed upon ratio. Some variation in composition may be considered; contact the Contracting Officer to inquire. Peat moss specs: choice cut ‘Canadian’ sphagnum peat moss. Vacuum mined. Light (blond) peat color. Percentage of fines in peat to be less than 8% from the #100 mesh sieve with a course/fine ratio of 1:2 using the # 10 sieve. Vermiculite specs: #2 International grade agricultural (horticultural) vermiculite. No more than 10% of fines less than 1mm in size. Must be certified asbestos-free. Note: Quotation must include description of vermiculite type and source used. Mixed media will have the following: Bulk density of media should be 0.09 gm/ml. pH range after wetting shall be 4.0 – 5.4 Dry density shall be 8 to 10 pounds per cubic foot. Salinity (salt) shall be less than 1.5 mmhos/cm. Media shall contain a wetting agent (such as Aquaduct) at a rate of 1 pound per cubic yard. Media shall have a moisture content of from 25 to 40 percent by dry weight. Aeration porosity shall be between 25-35% Desired exchangeable nutrient range: Parts per Million Nitrogen (NH4) 0.0 Nitrogen (NO3) 0-10 Phosphorous 0-10 Potassium 10-30 Calcium 10-50 Magnesium 0-20 Iron 0.3-1.3 Copper 0.001-0.011 Zinc 0.080-0.190 Chlorides 0-5 Media must be supplied in opaque tote bags of approx. 81cu ft. Shipments must be staggered and coordinated with nursery before delivery. Bags will be stacked on pallets to aid in forklift transport. DELIVERY LOCATION: USDA Forest Service, Placerville Nursery 2375 Fruitridge Road Camino, CA 95709-9714 DELIVERY TIME FRAME: First delivery by April 15, 2021, or sooner if possible . You must include your expected first delivery date capability with your quote. All shipments must be coordinated with nursery before delivery. Call 24 to 48 hours in advance of delivery. DELIVERY HOURS: Monday through Friday, 0800 to 1500, excluding federal holidays.