Oyster Shell Flour – Increases soil pH and adds Calcium – All Natural
Oyster shells are the hard exoskeleton of a variety of mollusks that are in the family Ostreidae. Most oysters live in saltwater.
Additionally, their shells contain high levels of calcium carbonate (about 97%)
Adding oyster shells to your soil produces long-lasting effects by slowly releasing nutrients.
This helps in regulating pH levels and increasing the intake levels of fertilizer to plants.
Oyster shells help to create a habitat space for soil microbes in your compost piles, which helps the microbes break down compost piles quicker.
Oyster shell flour increased soil organic matter, available Phosphorus, and exchangeable cations concentrations.