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Earthworms and How They Help Your Lawn

If you are fed up with using artificial chemical plant foods and poisons to card for your yard and lawn, perhaps you ought to have a look at one of mother nature's oldest and most often looked soil conditioners - earthworms.

Earthworms have been on the planet for centuries and act as a natural control to other lawn pests and micro-organisms. Not only are they good for the soil, but their very presence indicates that the soil is healthy. If you find no earthworms in your soil, you literally may not have healthy soil.

Earthworms also help to aerate your soil which is important to the root systems of plants. If your soil is too dense, water and nutrients will have trouble reaching the root systems of your grass or other plants and will lead to them starving or traveling to the surface, which is not good. Aeration has a plethora of benefits to the soil. It helps to reduce and eliminate thatching. It reduces water runoff and improves soil drainage. Aeration helps to loosen compacted soil, especially soil that has a heavy percentage of clay, allowing the soil to "breathe."

It's unlikely that you'll see earthworms during the day. They hate the daylight, probably from eons of experience being eaten by early morning birds. They love the dark and that is where you'll most likely find them on the surface. They also seek the surface after long periods of rain where they may come to the surface for air.

If you want to drive all the earthworms to your neighbor's lawn, then use a chemical fertilizer that has a high percentage of nitrogen. Large amounts of nitrogen tend to make the soil acidic which earthworms do not like. If the soil becomes too acidic, your friendly earthworms will seek greener pastures elsewhere.

If, however, you want to help your earthworm friends, leave your lawn clippings on the lawn when you cut it. The grass clippings contain natural levels of nitrogen, which is good for the soil. In addition, lawn clippings are a good source of food for earthworms.

Many chemical fertilizers have trifluralin as an active ingredient. Trifluralin is a suspected carcinogen which the EPA put under special review in the early eighties because of the presence of a contaminant that had been shown to cause tumors in animals. If you use chemical fertilizers on your soil, you are possibly putting the health of your lawn's earthworms in danger.

Eliminating poisons has other benefits as well. Domesticated dogs and cats often chew on grass, dandelions, and other plants in the garden. If the lawn and plants have been treated with pesticides, your pets are also eating pesticides. In the best case, they will not be harmed. But depending on the levels of pesticides used, they could end up with an upset stomach or worse, they could be seriously poisoned. The same applies to your kids if they play on the lawn and put things in their mouth as young kids will often do.

With these facts in mind, even though the use of chemical fertilizers is often a much easier way of keeping your lawn looking good, you have ask yourself if it's worth it. If, however, you are willing to try natural means of lawn care, you may find that the lowly earthworm is your lawn's new best friend.

About the Author

Alex Murphy loves his lawn and is always looking for ways to improve his lawn. If you are a do-it-yourselfer and interested in lawn care diy, read more of his articles at his site.