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Trust in nature – and stop raking up your garden leaves (www.theguardian.com)
submitted 11 months ago by Jho@beehaw.org to c/greenspace@beehaw.org
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Some choice quotes from the article:

[S]pent leaves that flutter to the ground aren’t a waste product. They are rich in carbon and play an essential role for the tree and the ecology it supports.

The leaves act as a physical barrier for soil, keeping it and its many microbes insulated, and also for the tree roots, as the wet mats of autumn leaves shelter the fragile top layer from the drying winds.

Many, many things live in these dead leaf layers: caterpillars of moths and butterflies, their chrysalises, beetles, centipedes, springtails, woodlice and spiders … and doesn’t the blackbird know it, rustling through the leaves?

No one loves wet autumn leaves more than earthworms, though. Sensing one of their favourite things, they start to work on incorporating them into the soil. Earthworms line their homes with autumn leaves, using them for bedding and then, because they are good housekeepers, they eat them as they break down.

Leave the leaves be: they are not a mess, a waste or a hindrance – they are life and vital with it.

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[-] LallyLuckFarm@beehaw.org 5 points 11 months ago

I've gone and edited my comment for better clarity, but the linked page shows a good representation of the types of tree roots and their spacing relative to the canopy, with the functions they perform for the tree listed below. You'll notice that the fine roots, which can grow from each other type of root, are most prevalent in the uppermost soil profile and towards the extremities of the lateral roots. The bulk of nutrient and water exchange happens in this zone, sometimes extending 1.5 - 4x the diameter of the tree's canopy.

this post was submitted on 24 Nov 2023
108 points (100.0% liked)

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