Compost worms vs earthworms is a query we often get from people who want to learn the art of vermicomposting. This process uses special compost worms to make compost from food scraps at home.
Read our detailed guide given below to find the major differences between the ordinary earthworm and the compost worms.
Contents
Difference Between Compost Worms And Earthworms
Although both types of worms have several things in common as well, there are some basic differences between earthworms and compost worms that make each of them individually unique with regards to your soil.
Find out what these differences are below:
| Earthworms | Compost Worms | |
| Description | Earthworms are segmented annelid worms that burrow deep into the soil. These worms are present naturally in several types of soil. | Compost worms are also segmented worms. They are a special type of earthworms that are not present naturally in the soil. |
| Color | Earthworms are typically reddish-brown in color. | Compost worms have an overall reddish-purple tinge to them. |
| Length | The length of a typical earthworm ranges from a quarter of an inch to six inches long. | The length of an average compost worm is only around two to three inches. |
| Size | Earthworms are usually larger in size. | Composting Worms tend to be smaller in size as compared to earthworms. |
| Rate Of Reproduction | Earthworms generally have a slow rate of reproduction. | Compost worms reproduce at a much faster rate than common earthworms. This also makes them ideal for composting as their numbers will keep on multiplying in the compost bin, enriching it by itself. |
| Preferred Type Of Soil | Typical earthworms prefer moist soil. They thrive best in outdoor garden or yard types of soil. That is why using earthworms for composting is usually not recommended. | The compost worms such as the red wigglers prefer warm environments. They can also tolerate a variety of temperature ranges as compared to ordinary earthworms. |
| Vermicomposting | Ordinary earthworms in compost are not of much use in making compost because these are deep borrowers. In a compost bin, they will move towards the bottom-most part of the bin. You will have to continually churn and rotate the contents of your bin around. | Red wiggler worms in compost are surface-dwellers. They tend to move towards the top of your bin and also bring the organic matter to the top. You will not need to continuously churn your compost bin. |
Which One Is Better For Your Compost Bin?
The main difference between compost worms vs earthworms is that earthworms are common annelids that burrow deep into the soil to increase their porosity, whereas compost worms are a special type of worm that digests the organic content of your scraps to make compost out of it.
Some Basic Differences
Compost worms differ from Earthworms in several ways be it their size, color, or function in the soil. Find out more in detail below.
– Type Of Worm
The earthworm is a common inhabitant of many types of soil. It is a segmented tube-shaped worm with a tendency to bury deep into the ground. Compost worms are also segmented tube-shaped worms. However, they are mostly surface dwellers and are found near the surface of the soil or the compost pile.
– Appearance
Earthworms are mostly longer than compost worms with an average length of six inches. They have an overall reddish-brown color. Compost worms, in comparison, have the length of a typical earthworm and measure only up to two to three inches long. Appearance-wise they have a reddish-purple tinge to them.
– Role In Your Garden
One of the main things that differentiates these two types of worms is that they have different roles to play in your garden. Find out what these roles are here.
– Earthworms
Earthworms are an essential component of your soil’s ecosystem as they perform three major functions for it. These functions are:
– They Improve The Drainage Of Your Soil
Earthworms are relentless borrowers. They will dig deeper and deeper and create an interconnected network of borrows all over your soil. As a result, the porosity of the soil increases. There is also a great improvement in the providence of water and nutrients to the roots of plants via the soil.
– Improvement in The Availability of Nutrients
Earthworms are notorious for feeding on all sorts of organic matter and microbes present in the soil. Their digestive system then breaks down and digests this foodstuff. Consequently, the excrement they release back into the soil is pretty rich in essential nutrients like Potassium, Nitrogen and Phosphorus.
– They Improve The Structure Of Your Soil
The excrement secreted by the earthworms continually recreates the topsoil of your garden. It holds the particles of the soil together, making it more cohesive and able to hold in water for longer periods.
– Compost Worms
Compost worms have the ability to feed on the organic waste in your kitchen and convert it into useful compost. When added to a pile of compost, they will eat all the organic matter and release their waste material called castings. These castings are rich in nutrients and make a great fertilizer.
Types Of Compost Worms
There are a number of composting worms that you can use to make your own compost bin at home. Find out about them in detail in the coming sections.
– Red Wiggler: Eisenia Fetida
The red wiggler worm or Eisenia fetida is the worm that is used most commonly for vermicomposting at home or commercially. Making compost using these worms is also called ‘red worm composting’. As compared to the common garden worms, this one prefers the decomposing environment of a compost bin to that of fresh soil.
It also doesn’t bury much deeper into the bin. You will not find a lot of red wiggles in your local soil. However, owing to their rising popularity, these are now easily available in the market and you can purchase bags full of them from any resourceful home and garden store.
– European Nightcrawler: Eisenia Hortensis
These compost worms like to dig deeper than your average red wigglers and will be found inhabiting the deeper layers of the compost pile. Their affinity for a higher carbon to nitrogen ratio means that they are better at decomposing the browns of your pile as compared to the greens.
– The Redworm: Perionyx Excavatus
These are worms that specialize in composting manure as they thrive under loose and wet soil.
– Lumbricus Rubellus
Lumbricus rubellus is another species that is used to make compost. It is often difficult to tell them apart from the red wiggler worms in compost in appearance even though both of them are separate species and are not known to even interbreed among themselves.
– Lumbricus Terrestris
Another one among the worms for composting that is often used is Lumbricus terrestris. It makes compost of very good quality, but it is very difficult to breed and often has to be harvested from livestock.
FAQ
How Do Worms Produce Compost?
Compost worms, like red wigglers, are natural compost makers. These worms feed on all the organic matter that you feed to them, digest it and extract all its food value within their digestive systems.
Afterward, these worms release their digested fecal matter called castings into the soil or the composting bin. These castings are rich in essential nutrients like Nitrogen, Phosphorus, and Potassium and add richness to your compost.
How To Make Vermicompost Using Compost Worms
If you aren’t into vermicomposting already, then what are you waiting for? Studies show that more than 30 percent of the common household waste is made up of food and paper stuff.
You can literally turn all this garbage into a valuable source of food for your plants just by adding one magic ingredient: worms for composting! So what are you waiting for? Continue reading to find out just how to do this.
How To Make Your Own Composting Bin using Compost Worms
The simplest way to go about making your own compost bin is this:
- Recycle an old plastic trash can. The longer and wider this trash bin can be, the better. Also, make sure that it comes with a lid at the top.
- The next thing you need to do is to make lots of small holes into this bin using a hammer and nail. If you can buy ready-made compost bins from the market with holes and an additional screen for preventing the escape of these worms, as that would work the best.
- Now, take all your organic waste and add it to this bin. Compost typically has two main components: the greens, which included food scraps, grass clippings, etc, and the browns which include paper, cardboard, etc. Ideally, your compost should have a larger proportion of browns than green. Always moisten the browns before adding them to the bin.
- Now comes the fun part: add worms for composting into this mixture. At least one pound of worms should be enough for an average-sized bin. Cover the bin with the lid and let the composting begin.
- Take the lid off once a week, and move the contents of the bin around to improve aeration. You can also add dried grass clippings or wood shavings on the top to help with the emanating smell.
In about one to two months, these worms will have your compost pile ready for use.
Conclusion
Today you learned important differences between the common earthworms and compost worms. You found that the main difference between compost worms and earthworms is that compost worms have the ability to survive under the humid and moist conditions of a scrap pile and convert it into compost.
On the other hand, earthworms like to burrow deep into fresh soil and improve its drainage and nutrition content.
There are several types of compost worms out there that you can use for making compost. The best and the most easily available ones are the red wigglers and the red worm species. So you should wait no more!
Grab a pack of these compost worms from your local market and add them to your compost pile right now!
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