- Urea 1. Guaranteed Analysis to be 46-0-0 2. Fertilizer to be delivered to the Vallonia State Nursery in a Bulk Spreader with a minimum 40 foot, maximum 65-foot spread pattern to work around existing irrigation system. 3. Spreader to be in good working condition so that spread rate and pattern are accurate. 4. Spreader to have a trip rope, or approved alternate, to shut off conveyor. - Mixed (18-4-24) 1. Guaranteed Analysis to be 18-4-24. 2. Mix to be blended with 30 lbs of Sulfur/Ton delivered. 3. Mix to be blended with 3.5 lbs Zinc/Ton delivered. 4. Mix to be blended with 1 lb Boron/Ton delivered. 5. Fertilizer to be delivered to the Vallonia State Nursery in a Bulk Spreader with a minimum 40 foot, maximum 65-foot spread pattern to work around existing irrigation system. 6. Spreader to be in good working condition so that spread rate and pattern are accurate. 7. Spreader to have a trip rope, or approved alternate, to shut off conveyor.