Soil Bacteria’s Role in Soil Conditioning
Bacteria are the unsung heroes of gardening. Without bacteria, gardeners would not have the rich, loamy soil in which plants grow without bounds. Bacteria are single-celled organisms that chemically digest organic matter in soils into smaller nutrient components in forms available to plants. There are hundreds of thousands of different kinds of bacteria, and many types of bacteria can digest hundreds of different forms of organic matter into humus. The bacteria are able to do this because they can produce many different types of enzymes to digest different compounds.
Bacteria in Soil vs. Bacteria in Compost
Each type of bacteria works best under certain conditions. In a cool compost pile, or in garden soil, bacteria that thrive in cool conditions will form the bulk of the bacterial population. In hot compost, other bacteria that can survive the high temperatures dominate. When considering a bacterial soil conditioner, keep in mind the way in which you plan to use the conditioner. Understand the bacteria you are adding, if you are adding bacteria as soil conditioners, so that you add the right kind of bacteria. Once conditions change drastically, bacteria that cannot function in those conditions will perish. (Bacteria are not very mobile, unless they have water to float along in or wind to carry them.) The upside of bacterial immobility is that they will stay and multiply in place as long as conditions are favorable. (more…)