Garden Myths - Learn the truth about gardening

Archive for the composting Category

Dynamic Accumulators – Are They Beneficial to the Garden?

Dynamic accumulators are plants that accumulate higher than average nutrients in their leaves. Some people grow these plants and then either mulch with them or compost them so that these extra nutrients are made available to other plants. This is particularly popular in permaculture circles, but it is also used a lot in organic gardening.

On the surface this sounds like a great idea. Use plants to fertilize your other plants. How can you get more organic than this.

In this post I will look at the pros and cons of using dynamic accumulators to try and understand how beneficial they are to gardens.  In the process I’ll also uncover some myths about dynamic accumulators.

Dynamic accumulators - Is it worth growing them?

Dynamic accumulators – Is it worth growing them?

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Comfrey – Is it a Dynamic Accumulator?

Comfrey (Symphytum officinale) is probably the most popular dynamic accumulator. Permaculturists swear by it, and organic gardeners use it frequently. Thousands of web sites make all kinds of claims for it and if you believe the claims everyone should be growing comfrey to add nutrients to compost, mulch soil, and make plants grow better.

All of these benefits are derived from the fact that comfrey is one of the best dynamic accumulators – or so people claim. It is time to have a closer look at this miracle worker.

Comfrey dynamic accumulator

Comfrey – Is it a Dynamic Accumulator?

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Too Much Compost – Is It Poisoning Your Garden?

Can you have too much compost? Compost is the best thing for your garden – if you believe what you read so how can you have too much? The truth is that too much compost, especially manure compost, is harmful to your soil and plants.

Too Much Compost - Is It Poisoning Your Garden

Too Much Compost – Is It Poisoning Your Garden

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Humus Does Not Exist – Says New Study

As a gardener we all talk about humus. Some of us even buy humus soil, and humic substances like humic acid and fulvic acid. We add compost to gardens to increase the humus level in our soils in the belief that humus is good for soil. Good garden soil is dark because of the high humus content.

If there is one thing all gardeners agree on, it is that humus is good for the garden – right?

Maybe not!

Science now says our beliefs about humus may be wrong. In this blog I will review some earth shattering news – or is that soil shattering news?

humus Contentious Nature of Soil Organic Matter

Humus Does Not Exist – Says New Study: The Contentious Nature of Soil Organic Matter, by Johannes Lehmann & Markus Kleber, published in Nature

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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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