Become a real compost expert! Understand in 2 key steps

by | 3 Sep, 2021 | Compost

We'll start by giving you a simple overview because if you're here, it's because you really want to compost indoors. When you compost it's always interesting to know how it works. So what exactly happens when your vegetable peelings turn into rich soil in which you give life to new plants? We'll explain it all to you. If you've done your homework, you'll have noticed that there are several ways to compost indoors:
  • The vermicomposter (the one with the worms inside)
  • The Greenzy smart composter
At Greenzy the so-called composting method is used aerobic. This method is in contrast to anaerobic composting. So that you can understand the difference, we have made a comparative table.
Aerobic Composting (Greenzy composter and vermicomposter)Anaerobic Composting (A poorly maintained outdoor compost pile)
- Demand for oxygen -Process fast (2 months maximum with the Greenzy composter) - Product of the heat - Gases released : Carbon dioxide- Process without oxygen - Processes slow - Produces almost no heat no heat - Gases released: carbon dioxide, methane and hydrogen sulphide (that's what smells like rotten eggs)
The little trick : Aerobic compost that smells bad is simply that it is being transformed into anaerobic compost because it lacks air. To remedy this, it is not necessary to give it "mouth-to-mouth" but simply to aerate it 😉 
The Greenzy composter needs oxygen, but with it there is no risk of bad odours. We have put in place well thought out mechanisms so that you never have to worry about this!
If you've heard of the Bokashi, the traditional Japanese method that is increasingly used here, and you're wondering why it's not on the list, it's because it's not really a composter. In fact, this solution uses a process of its own. The main differences with the indoor composters we mentioned are the following:
  • Result of a fermentation and not a degradation.
  • Requires theaddition of "bokashi bran" which will serve as an activator.
  • The result is not compost but a fertilizer .
  • The fertiliser produced cannot be used immediately, it must be mixed with soil or compost for 4 weeks. 4 weeks . Only then can you put in your beautiful plants or use it in your vegetable garden.
Now that you know a little more, we'll explain what happens in your favourite peel-eater so that it can offer you this precious soil after 2 months of waiting. Who lives in your compost? The design of the Greenzy composter has not only seduced you, but also many micro-organisms are there every day and work non-stop to offer you a super quality soil! There are 3 main families of inhabitants:
  • The bacteria - We're talking about good bacteria here, of course, like when you hear about bacteria in your yoghurt or even in your body.
  • Mushrooms
  • Actinomycetes
But what exactly do they do there? That's what we'll tell you right now: 1st step, they degrade Not great these tenants, as soon as they arrive they make a mess... No worries, trust them, the result will be great, I promise! Turn on the heater! During this first phase the microorganisms raise the temperature in your composter! The bacteria produce heat, a lot of heat, your composter becomes a real sauna for peelings and bacteria. The thermometer rises to 60 to 70°C Waste reduction. Now that everything has heated up it is time to make room. The waste is very bulky so the microorganisms reduce it by 3 times their size! But how? Thanks to 2 phenomena:
  • The mineralisation of organic matter into CO2.
  • Evaporation of water . Your organic waste contains a lot of water and with the heat in there it evaporates.
Greenzy's little plus: this water, also called "compost tea" or "compost juice" disappears without you even having to empty it or worry about it. This is different from the two other solutions mentioned above. Isn't that nice? Result of the degradation stage. After all this work your composter will contain fresh compost, but be patient, there is still some work to be done before you can open your drawer and discover the final result. 2nd stage, maturation From the moment the waste is transformed into fresh compost then the decomposition process becomes slower. The micro-organisms continue to act to change from fresh compost to ripe compost. The temperature is the same as on a summer's day in southern Spain, i.e. between 35° and 40°C . Then the mushrooms and actinomycetes move into your favourite smart composter. They attack the fresh compost left behind by the bacteria and turn it into mature compost.

the 3rd step?

It's up to you. All you have to do is open the drawer of your composter and get your good soil thanking all the microorganisms that have worked hard to bring it to you. If you don't know what to do with it, we suggest you read our article on flower gardensWe'll give you some ideas of cool plants that will help pollinators around you 😉 If you have any further questions, don't hesitate to contact us, we'll be happy to answer you!
Sources

http://humusetassocies.org/espace-info-biodechets/les-organismes-decomposeurs/ http://reseauriam.org/wp-content/uploads/2019/06/ft_compostefr.pdf https://www.rustica.fr/jardin-bio/bokashi-compost-fermente,16764.html

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