Can oyster shell powder be used as fertilizer?

Oyster shell powder as fertilizer

Oyster shell powder can be used as fertilizer. Its main ingredients are calcium carbonate, calcium gluconate, magnesium oxide and other salts. It is in powder form and has a great effect. It can decompose in the soil in a short time to provide nutrients for the roots, stems and leaves of flowers.

Oyster shell powder can be used as flower fertilizer. The main chemical component of oyster shell is calcium carbonate, accounting for 99%. It can be used alone or as a raw material for burning lime. Using oyster shell powder as flower fertilizer can increase production and income and bring the products to market earlier.

How to make fertilizer from oyster shell powder

1. Wash the oyster shells with clean water and then dry them, because the salt content in the oyster shells is very high.

2. Crush the oyster shells with a hammer and then grind them into powder.

3. Mix the oyster shell powder with the soil and stir evenly; you can also choose to use it directly as base fertilizer.

Key points for using oyster shell powder fertilizer

1. When making fertilizer with raw oyster shell powder, you can choose to add egg shells, because oyster shells contain minerals needed by plants, and egg shells have the effect of softening the soil.

2. Oyster shells are also rich in trace elements such as magnesium, iron, manganese, and phosphorus, which can provide plants with trace elements that are lacking in the soil, but be careful to sprinkle the oyster shell powder evenly in the soil.