Garden Myths - Learn the truth about gardening

Posts tagged eggshells

Eggshells – Decomposition After One Year

A year ago I started a study to see if eggshells decompose in soil; Eggshells – Decomposition Study. It is now one year later and time to have a look at the buried eggshells.

eggshell decomposition study - year 1

Eggshell decomposition study – year 1

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Eggshells – How Not to Use Them in the Garden

Almost weekly I see a post in social media extolling the benefits of adding eggshells to the garden. In this post I am going to have a serious look at all of the benefits claimed for eggshells. Which advice makes sense and which is just a lot of bull?

eggshells in the garden

Eggshells in the garden

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Eggshells – Decomposition Study

The advice to add egg shells to the garden or compost pile is very common. In my last post I looked at some evidence that suggested eggshells do not break down in a compost pile or in soil – at least not very quickly. The one exception where eggshells do break down is very finely ground eggshells added to acidic soil .

How quickly do eggshells break down in soil? Is it 6 months or 5 years? Maybe it’s 100 years? No one seems to know. In this post I will describe a 6 year study that has been started to find out if eggshells decompose in that period of time.

Eggshells - Do They Decompose In The Garden 1

Eggshells – Do They Decompose In The Garden – supplies, by Robert Pavlis

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Eggshells – Do They Decompose In The Garden?

Lots of people add eggshells to the garden or compost pile. It is claimed that they add important calcium to the soil for plants. Is this true? How well do they decompose? What happens to them in a compost pile? Do they add any value to the garden?

Eggshells - Do They Decompose In The Garden 6

Eggshells that have been sitting in the garden for more than a year, by Robert Pavlis

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Eggshells Control Slugs – Do They Really Work?

Eggshells control slugs, according to most books, and all kinds of gardening experts. Slugs and snails can be a real problem in the garden, eating all those precious plants. It seems to be a constant battle and eggshells are routinely recommended.

Do they really work?

Eggshells controlling slugs in garden

Eggshells trying to control slugs in the garden

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