Miracle-Gro® Chicken Manure Soil Enricher contains naturally occuring materials which supply 3 main nutrients:

Nitrogen quickly encourages strong growth and healthy, rich green foliage and continues to feed for up to 6 weeks.
Phosphate slowly & steadily releases to promote vigorous root growth.
Potassium promotes flower production and improves ripening of fruit and vegetables.
All purpose food for use with most plants. .