compost

I am going to be growing portobello mushrooms and they need a composted manure substrate and on of the main thing is the ammonia needs to be converted into a nitrate. Is there a way to do this cheaply?

The topic comes up on occasion, so thought it would be nice to have a thread on it. Post pics, vids, articles and whatever comes to mind about how you cultivate or manage your deep litter. When most folks talk about deep litter it's often describing using a deep thickness of whatever bedding...

Someone asked and I waited a bit to see if anyone else would, but they didn't. :D So, whilst resting my overworked knees, I will get one rolling. Please feel free to add your BTE here, pics and videos are most helpful, but explanations work too. I'm sure there are other people out there who...