Vermicomposting


 

Vermicomposting is a unique and viable alternative for situations where normal composting techniques cannot be practiced. The term "vermicompost" is actually a compound word. The prefix "vermi" is a derivative of the Latin word for worm, vermis. A special kind of earthworm is used to break down the organic materials.

These animals are called red wigglers and are capable of eating their weight in organic matter each day. Along with the waste, the worms consume their bedding, then excrete castings. These castings are an excellent natural plant food, that can be richer in certain materials than topsoil. Because composting using worms require less space than normal methods, it is ideal for offices, classrooms, apartments, and high density urban areas. It also provides a place to put food waste in the winter months.

While an outdoor compost pile is still active during the winter, the decomposition is relatively slow. Most people are not generating yard waste after the snow falls. The only organic waste would be food and kitchen scraps. Vermicomposting allows a person to conveniently get rid of organic material without having to venture outside.

 

 

Vermicomposting Bin


 

This bin is designed for composting food wastes using earthworms. A high-quality compost is produced which is suitable for use on house plants and seedling transplants as well as for general garden use. Vermicomposting can be done indoors year around, or can be done outdoors in the warm months and indoors in the cold months. It is an appropriate method of composting for apartments and offices, as well as for people who would like to avoid trips to the backyard compost heap in winter. Here is a step-by-step tutorial:

 

2 x 2 Earthworm Composting Bin

This bin will accommodate the needs of one to two people generating about four pounds of food waste each week. 

 

Materials

Tools

* 1 - 1/2" sheet of plywood
* 36 - 2" ardox galvanized nails
* Non-toxic wood preservative

* Tape measure
* Skill saw or rip handsaw
* Hammer
* Saw horses
* Long straight edge or chalk
* Snap line
* Screwdriver
* Drill with 1/2" bit

 

CONSTRUCTION:

Cut four pieces of plywood 23 1/2" x 8" for the sides. Nail them together, overlapping at the corners. Cut one piece of plywood 24" x 24" for the bottom. Secure the bottom to the sides using about five nails per side. Drill twelve 1/2" holes in the bottom for aeration and drainage. 

 

Use a dark plastic sheet over the top of the bedding as a cover or make a lid out of the remaining plywood. Note: Do not use pressure-treated or chemically-treated wood. Treat the wood with a non-toxic wood preservative.

 

 

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