Friday, December 12, 2003

Thanksgiving

The holidays have been good to the worms. They are still working on Thanksgiving dinner: Brussels sprout trimmings, potato peels, squash rind, and coffee, coffee, coffee. We had eight people in the house for two days and I think we went through an entire pound of coffee. The caffeine doesn’t seem to affect the worms, although I wonder if the acidity of the grounds is starting to throw off the pH in the bin. They can’t tolerate an acid environment, and it seems that as the pH drops, the ants move in. Although the ants don’t seem to bother the worms, it just gets to be a bit of a circus in the bins. I’ve already got sowbugs and a miniature white cousin to the earthworm called a potworm inhabiting the bin. And there are millions of microscopic creatures teeming around in the rotting mass of food, too: bacteria, nematodes, fungi, protozoa—all eating the food and becoming food for the worms. It’s a real miniature zoo on the back porch.

So I throw in some eggshells to help combat the acidity. The worms can’t eat the shells, but they crumble up nicely and eventually they’ll go into the soil along with the castings.
Speaking of worms and coffee, an AP story this morning reports on the effects of intoxication on worms. They’re speaking in this case about a nematode—a microscopic roundworm named C. elegans. When you read about worms in the news, they’re almost always talking about C. elegans. It’s the lab rat of the worm world. Those worms on the space shuttle were C. elegans, too. I tell you, the humble nightcrawler and the red wiggler almost never get their due.

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