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How Warm Does Compost Get? [Solved]

A cold pile requires minimal effort but may take a year or two before it produces compost you can use in your garden 😉 This method of composting has two steps: Put your waste in a pile, and wait 🙈 You can think of cold composting as the add-as-you-have-materials pile 🔥 Because of the amount and size of your compost, it is not easy to determine how long it takes to produce finished compost. You will see a faster rate of compost breaking down the smaller particles. Don’t plant any weeds after they have died. Seed or diseased plants. You will spread these pests around the landscape if you don’t have high temperatures that can kill weed seeds and disease pathogens. [1]
Three wooden compost containers measuring 1mx1mx1m, or approximately 3ftx3ftx3ftx3ftx3ftx3ftx3ftx3ftx3fftx3ftx3ftx3ftx3ftx3ftx3ftx3fetx3ftx3ftx3ftx3ftx3ftx3ftx3ft are recommended. They can also easily be moved from one to another. However, at home, particularly with a single bin where the C:N ratio and the moisture contented may vary it may not be possible to maintain temperatures of over 50°C after the initial surge even with regular turning. The good news is that temperatures of 40°C if held still produce sanitised compost relatively rapidly. Amarilys Butts, Amman (Jordan) last modified this page 33 days ago [2]
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Decomposition occurs most rapidly during the thermophilic stage of composting (40-60°C), which lasts for several weeks or months depending on the size of the system and the composition of the ingredients. This stage is also important in destroying thermosensitive pathogens and fly larvae as well as weed seeds. The thermophilic stage is when compost invertebrates move to the edges of the pile, or become dormant. Regulations by the U.S. Environmental Protection Agency specify that to achieve a significant reduction of pathogens during composting, the compost should be maintained at minimum operating conditions of 40°C for five days, with temperatures exceeding 55°C for at least four hours of this period. Most species of microorganisms cannot survive at temperatures above 60-65°C, so compost managers turn or aerate their systems to bring the temperature down if they begin to get this hot. [3]
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An increase in temperature of the compost pile after material has been stabilized could mean the pile is anaerobic. It should be aerated. When the pile is anaerobic, it should not remain at high temperatures. The temperature distribution for the different areas of the pile depends on their sizes, surrounding temperature, humidity, degree of aeration and compost material. The compost should be aerobic in order to retain high temperatures while it is being decomposed. You can increase or decrease the compost pile’s size to maintain higher temperatures in colder conditions. Keep the temperatures from becoming too high in warm weather. Experience shows that turning to release the heat of compost piles, which have become so hot (170°-180° F.) that bacterial activity is inhibited, is not very effective. If the material is in active decay, it will raise the temperature. Falls slightly during turningIn two to three hours, the temperature will drop back to its previous level. It is also impossible to cause a significant temperature drop by watering the material, as the water will clog the mass. [4]

Refer to the Article

  1. https://www.finegardening.com/article/hot-composting-vs-cold-composting
  2. http://www.carryoncomposting.com/416920215
  3. http://compost.css.cornell.edu/physics.html
  4. http://whatcom.wsu.edu/ag/compost/fundamentals/needs_temperature.htm
Mehreen Alberts

Written by Mehreen Alberts

I'm a creative writer who has found the love of writing once more. I've been writing since I was five years old and it's what I want to do for the rest of my life. From topics that are close to my heart to everything else imaginable!

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