There is a flat rate of $20 for shipping regardless of the quantity. This amounts to a quantity discount. Due to Postal Service restrictions, United Parcel Service is used. They require an adult signature for delivery of alcohol.
With Biochar added to your soil: View our biochar process album ▪ Soil carbon increases between 32-33% and lasts for hundred of years. ▪ Biochar enhances nutrient retention in the soil: nitrate nitrogen + 45-54%, organic N + 48-110%, inorganic phosphorous + 29%. ▪ Biochar increases nutrient density of plants: an increase in Potassium, Iron,