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It has been a couple days since I added my diced corn cob to my worm bin. I put them in the corner in case the worms didn't like them for some reason. When I checked it today lots of worms were hanging out in that corner so far so good.. although I suppose it will get much more interesting a couple weeks down the road when I can actually see if the cobs are being processed faster than they would if they were put in there whole.

Views: 168

Comment by Lesley Marie on July 25, 2008 at 9:50pm
I'm excited to hear how this goes... a friend was asking me about corn cobs today- I brought a worm bin to the office to convert people to the idea.... converm?
One has decided they want a bin. I'm excited to help them out!
Comment by Susan B on July 26, 2008 at 12:50am
Since I've only got one bin and am too impatient to wait a really long time, I finally took my corn cobs out. They were short, like Bing's, but after 2-3 months I gave up. I may try again later if I have multiple bins, but I will cut them up like you did, Steven.
Comment by Steven Chow on July 26, 2008 at 12:36pm
One thing i was wondering about with food that takes longer to break down is if it will provide more of a "food buffer" in the bin. I'd been feeding my worms foods like swiss chard stems, banana peels, rice etc.. stuff that I could see completely disappear after a couple days and sometimes when the food runs low I noticed the worms get a bit more restless and explore all over the bin looking for more. So one thing I was curious about was if I regularly add some of these foods that take longer to break down if any given point in time there will be more organic matter in the bin in various stages of breakdown to buffer the bin. I guess one could think of it as a sort of "slow release" food.
Comment by RJ_Hythloday on August 9, 2008 at 6:19am
I got impatient and removed corn cobs from mine, I had too much food and had to bury my mistakes. I had another ''hot compost'' bin that really smelled bad too so I dug a trench in the garden and buried it all. The bin smells sweet now. I may try corncobs again when I move if I have a hot compost area. I'll be curious to see what your result is.
Comment by Steven Chow on August 13, 2008 at 11:42am
It has been several weeks now so I figured I would dig around a little and see if I could fine my cob fragments... it took a while since other stuff had been piled on later but eventually (unfortunately) I was able to find them. Here is what they look like now:

I'm guessing it is going to take a while for these to break down. No biggie it will probably be another six months at least until I am ready to harvest that tier of my bin... hopefully by then they'll be broken down.
Comment by Anna Rich on April 9, 2009 at 9:26am
We have thrown corn cobs into our outdoor compost bin where the garden earthworms do the work. They hang around, pretty much unchanged, for years. We threw a green coconut in there years ago that I hit with my pitchfork every time I turn the pile over.
Comment by Bob Collinsworth on April 20, 2010 at 7:50am

Did you consider microwaving the corn cobs and letting them cool down before adding them to your bin? I have had some success in doing exactly that with the harder foodstuffs I put into my bins. Things like carrots, asparagus, potatos, butternut squash, etc. are eaten quickly if microwaved and then left to sit a room temperature for a week or so before feeding them to the worms.
Comment by Rich Feiller on August 2, 2011 at 9:54am
If kept wet I've found the worms will keep at the sugar in the corn cob. I think of them as a haven for the good critters and bacteria for putting in unseasoned boxes. A starter culture. If the dry out they go nowhere


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