Maggots!
...ever you use the compost. To speed up the decomposition process in a single pile composter, you can remove the compost contents, mix them up with a pitchfork, and put them back in the pile. Our composter is bottomless, so the soil underneath the bin gets fertilized as the compost decomposes, so when we move the pile the previous spot becomes a fertile new planting area. There are also expensive tumblers, that rotate the compost in a large barrel....