An Organic Gardener’s View Inside the Compost Pile
First, mesophilic bacteria start to work while the compost pile is cool. These beneficial bacteria begin by consuming and digesting organic matter and reproduce in the process. Heat is released and conditions change to attract a different type of bacteria attracted to a warm environment.
Thermophilic bacteria begin to work as the compost pile heats up. Temperatures may be as high as 160 degrees Fahrenheit and weed seeds, insects, and many diseases are killed by this heat. Finally, a complex form of bacteria called Actinomycetes takes over as the decomposition of organic material is completed.
Actinomycetes give the new soil a pleasant , earthy smell turning it into a finished product.
Other workers in this decomposition process are much larger than microscopic bacteria and include snails, slugs, millipedes, centipedes, nematodes, earthworms, and some insects like spiders and mites.
The final product is called humus and is gold for the organic garden. Humus helps soil particles stick together which in turn allows the soil to be aerated and allows better drainage by adding pore spaces in the soil. The soil can better hold water in periods of drought and reduces erosion. The soil is better able to store nutrients that plants can use in their growth cycle as the nutrients are slowly released into the root system.
The use of this rich humus gives the organic gardener the opportunity to provide a friendly environment to beneficial microorganisms, earthworms, and other subterranean life forms by avoiding the use of chemical fertilizers.
This is the natural process we see in our forests and prairies where growing plants drop their leaves, flowers, and fruits into the soil. This composting process is the organic gardener’s ability to copy the workings of a natural ecosystem by returning vegetation to the soil to be used again by our garden’s vegetables and plants.
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