Why are there so many worms in my garden?
The organic material and the nutrients of your lawn will determine the severity of a worm infestation. If you have 2-5 worms in your yard, that's not a bad thing. But having 5+ worms can be due to the high-quality organic soil, as it gives them something to feed off.
Is it good to have lots of worms in your garden?
Studies of earthworms in agricultural settings have found that earthworm burrows can improve water infiltration and soil aeration, and their castings (excrement) form soil aggregates by combining minerals and organic matter. Earthworm activity can also relieve compaction and make nutrients available to plants.
Why are so many worms coming out of the ground?
But after a rain, the soil pores and the worm burrows fill with water. Oxygen diffuses about a thousand times slower through water than through air, she says. “The worms can't get enough oxygen when the soil is flooded, so they come to the surface to breathe.”
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