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To help the garden
Eggshells are also commonly used in gardening. One of their most common uses is as a natural fertilizer. Crushed and mixed with soil, they enrich it with calcium and help balance the pH. This is especially beneficial for plants like tomatoes, peppers, and eggplants, which require more calcium.
Larger pieces of shell can be placed around plants to form a natural barrier against snails and slugs. Their sharp edges repel these pests without the need for pesticides.
Another option is to add the shells to compost: they accelerate decomposition and enrich the compost with minerals.
