john_ny

I've used composted horse manure in potting mix, for ages. I use something like a third each of composted manure, peat moss, and perlite. I usually add a little fertilizer because, while the manure is rich in organic matter, it is relatively low in nutritional value. (The composted cow manure that they have in stores has an NPK value of just 1-1-1 to 5-5-5.) I adjust the pH for whatever I'm planting. I also add some moisture retaining crystals, and a wetting agent, like Aqua-Gro.

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John