Horn Meal

Hooves and Horn Meal organic fertilizer is a great source of nitrogen (12-14%) for your organic garden plants, especially your high feeders like corn, tomato and lettuce. It also has a small amount of phosphorus (2%) for healthy roots and stems.
This organic fertilizer is made from cooked ground dehydrated cattle hooves and horns derived from slaughterhouses.

Hooves and Horn Meal is equivalent to Blood Meal in Nitrogen content, but the nutrient availability is slower, which is better for your organic crops and with less "leaf burn" damage and it contains Phosphorus. It nutrient availablity starts at around 4-6 weeks and can lasts 12 months and more.