Produced from 75 million year old freshwater lake deposits, our 1/4 inch minus humate is beneficial after spring tillage, pre-planting with seed and after first blossom. Customers currently add about 10% when amending their soils in the spring. Recommended use – 5 to 20 lbs. per 1000 square foot. (225 to 900 lbs). Comes in one gallon buckets, 5 gallon buckets or 1 ton ‘super sac’.