How to Apply Organic Fertilizer to Lawns

Organic fertilizer contains natural substances, such as animal and bird manure, crab waste, fish meal and compost. Like chemically produced fertilizers, organic fertilizers supply nitrogen, phosphorus and potassium to your lawn. However, the organic fertilizer releases nutrients slowly, according to North Carolina Cooperative Extension. This slower release increases soil fertility and allows the grass's roots to absorb the nutrients more efficiently with fewer applications. Applying organic fertilizer, like chemically produced fertilizer, requires following the information supplied by the manufacturer and an appropriate means for measuring the ratio.

Aerator or rake
Spreader

Instructions

- 1
  Mow the grass between 2 to 3 inches from the ground. It's fine to leave the grass clippings on the ground.
- 2
  Aerate the soil with an aerator or a metal lawn rake. Break the soil's upper crust so the organic fertilizer reaches the roots. Organic matter helps the soil retain water and hold more nutrients.
- 3
  Read and follow the recommendations on the organic fertilizer manufacturer's label. Like chemical fertilizer, organic fertilizer comes bagged and ready for use. The manufacturer supplies the ratio of fertilizer in pounds required to cover the square footage of the lawn. Organic fertilizer often contains fewer nutrients than chemical fertilizer, requiring more pounds to cover the area.
- 4
  Pour the recommended amount of fertilizer into the spreader. Choose the proper setting on the spreader to ensure it delivers the correct amount.
- 5
  Spread the organic fertilizer around the outside edges of the yard. Then work toward the inside side of the perimeter by going back and forth across the lawn. This helps ensure you cover the area evenly.

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