A dinosaur defacated.
Link herbgardens.about.com/od/fertilizer/a/compost.htm
fertilizer made from biological component
Nitrogen.
Potassium is the element that used to be first to make fertilizer.
Compost
First you eat it...then you wait a bit...then it comes out the other end!!! There you have it...fertilizer!!
Compost is a completely organic fertilizer, where as fertilizer is chemically made. Compost is very a very good fertilizer however fertilizers have a wide range of micro and macro nutrients that may not be present in compost.
Nitrogen.
Nitrogen.
The first element in the fourth period, which is used in making fertilizer, is potassium.
fertilizer has these elements
It's made from rotten materials.