DIY Frequently Asked Questions / Natural Organic Fertilizer')">
One of three common types of fertilizer, the other two are inorganic and synthetic organic.
Does not dissolve in water.
Converted to usable forms by microorganisms in the soil.
Helps to create proper physical growing conditions, but can add disease or weeds to the lawn.
Usually does not contain a complete mix of the essential nutrients, making it necessary to apply additional types of fertilizer.