I have used eggshells for 40 years in my gardens. Mostly, I dry them and pulverize them in the blender to make a powder. I put a some in each hole when planting my tomato and pepper plants. I also scatter it on my raised beds before planting. It works for me.
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Do the egg shells have certain properties that improve soil? Now I’m super curious!
When tilled into the soil, ground eggshells provide your plants with calcium. Though nitrogen, phosphorus, and potassium are most vital for healthy growth, calcium is also essential for building healthy “bones”—the cell walls of a plant.