How long should horse manure age before applying it to my flower and vegetable gardens? How much should I apply?

Material that has decomposed adequately will be brown and crumbly. It will have a fresh, earthy smell. The pile will also no longer heat up when you turn or mix it. When you examine the pile and it has reached this point, it can be used in the garden. There are several factors that will affect how quickly the manure will reach this point and how much you can utilize around your garden.
1. Does it contain bedding? Manure that …