I built two composting bins. Each bin is five feet wide, five feet deep, and four feet high. I built the bins by sinking 4” by 4” posts in the ground for the corners, and then nailed 2 by 4’s and 1 by 4’s, alternating on the sides. I left 2” gaps between the boards for air circulation. The 2 by 4’s are rigid enough to keep the sides from bowing out, and in between each 2 by 4 I used 1 by 4’s to save a little money. The bins are only 3 sided, I left the front of the bins open so they can be filled and emptied easily.
I started by filling just one of the bins. I put grass clippings, dried leaves, and shrub clippings in the bins. I try not to put more than 6” of each material on a layer. You don’t want 24” of grass clippings in the bin, you should alternate layers of green and brown material. If necessary, keep a few bags of dry leaves around so you can alternate layers of brown waste and green waste. When we root cuttings we use coarse sand in the flats, so when it’s time to pull the rooted cuttings out of the flats, the old sand goes on the compost pile. In or little backyard nursery we also have some plants in containers that do not survive. Rather than pulling the dead plant and the weeds out of the container, and then dumping the potting soil back on the soil pile, we just dump the whole container in the compost bin, this adds more brown material to the mix, and is a lot easier than separating the soil and the weeds.
Once the bin is full, the rules of composting say that you should turn the material in the bin every few weeks. There is no way that I have time to do that, so this is what I do. I
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