posted 10 years ago
Bat Guano should be hot composted, there are a huge number of pathogens in Bat Guano.
It is so potent as a fertilizer that one teaspoon is usually the highest dose recommended for incorporating around plants.
I would add it to a large amount of composting materials so that the danger of root burn is reduced once the compost is finished.
I have composted Bat Guano only once (I had access to fresh from my bat houses at the time) I added it to layers of green and brown materials at a rate of about one cup per 4 bushels of the other materials.
The finished compost was simply awesome, the plants I used it on grew strong, healthy and out produced all the crops sections I used my regular compost on.
It also really helped the fruit trees (peach and fig) that I spread a 1' layer around.
Think of this manure as a super manure, it is akin to a mix of chicken and sheep manures for "hotness" it is like the brylcream of manures (a little dab will do you).