how to make organic fertilizer granules for crops

organic fertilizer now is more and more popular than compound fertilizer granules,because it will not destroy the soil structure like compound fertilizer,every country now also is encouraging their citizen to use organic fertilizer granules.then how to make organic fertilizer by organic fertilizer granulator?

A.You’ll need ingredients from three basic groups:

1.animal manure,2.city waste,3.human waste, or 4.grass meal

B.then crush and mixing the raw materials

Just pick one ingredient from each of the three groups below. Because these amendments may vary in the amount of nutrients they contain,

C.using organic fertilizer granulator to granulating the materials into ball shapes.