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gpclark_gw

heating up the pile

20 years ago

It is fall now and the weather is cooling down. I noticed my pile is cooling also. I have 5 pumpkins, a trash bag of shredded paper and about 40lbs of coffee grinds. Is that enought to start the heat again or do I need something else. I do not have leaves yet because the leaves have not started falling in my town. Also do Live Oak trees leaves take a long time to compost?

Comments (10)

  • 20 years ago

    How long has your pile been going? I would say that adding more nitrogen(pumpkins and coffee grounds) might heat your pile up a bit but it will cool off again. One thing I found is that the cooler, DRIER air during fall/winter tends to sap moisture from my pile so it may also be a moisture factor to. Just something you should check on. As for Live Oak leaves, they are highly suberized and do usually take a long time to break down. One thing you can do(if you can), is chop them up a bit exposing more surface area for the bacteria to work with. Whats your pile composed of? I agree that a hot steaming pile is really cool, but unless you are trying to destroy weed seeds or grass runners, its not all that necessary. Itll rot anyways

  • 20 years ago

    Whether or not a compost pile shows signs of heating up depends on many factors, not just some more nitrogen. What is the total C:N ratio, it should be around 30:1. what is the moisture level, that needs to be just damp enough so the bacteria go to work. Too wet, or too dry, and the bacteria that will digest your material won't work. How much air is in the pile, the aerobic bacteria cannot function well without air, so even if there were the right C:N ratio without air the bactweria could not function.

  • 20 years ago

    It does not rain often here. It has not rained in about a month. I have not watered the pile. I was not sure if the pumpkin moisture would be enought or if it needed more.

  • 20 years ago

    If it's running out of gas- skin it and start another. After the hot phase it normally cools to finish. Take off the outer parts that are uncomposted and add to those to start a new one.

  • 20 years ago

    Thank you for the advice. I have already put more paper, pumpkin, and coffee in the pile. I think I may add some leaves when I get some. But I will stop then and start a new pile. I started this pile this spring to make a veg. garden next summer. When this pile is finished do I need to add any dirt or anything to it before I plant veggies? Some of the sticks did not compost so do I need to take them out?

  • 20 years ago

    Ah I see...you say that you started it this past spring to use this coming summer? That pile was done. The process of it cooling down was supposed to happen so the compost would mature. I would suggest using this pile and spread it in the future veggie bed and starting a new pile with the upcoming leaves, coffee grains etc...As for the sticks...you can pull them out and add them to the new pile. Theyll eventually be broken down

  • 20 years ago

    If you want the sticks to break down faster, before putting them into the new pile you can cut them into smaller pieces. They'll eventually break down, anyway, as phoenix7801 said, but if the pieces are smaller, it speeds the process.

  • 20 years ago

    I pull out the obvious bigger sticks, but small ones... screw them- into the garden bed ya go. No problem.

  • 19 years ago

    Thanks I think I will stop now and create a new pile. But now I have to figure out how to make a compost bin that will hold all the leaves and stuff I get during the fall. How exciting. I never thought composting could be so fun all I wanted was cheap dirt for my garden and now I think I have more fun making dirt then using the stuff.

  • 19 years ago

    Sounds like the first thing you could do is to buy a compost therometer so you have a good idea of the core heat.

    My bins (seven) are all 1/4" mesh 24" high hardware cloth, four feet in diameter.