Saturday, August 29, 2009

Organic Gardening - How to Make Worm Compost Fertilizer

By Rhonda Abrons

Vermiculture is the fancy word for worm excretion which is worm compost. Heres how to do your own worm composting.

Choose the Proper Container

The most recommended material for a worm compost container is wood as it absorbs moisture and insulates the worms. However, there are some who prefer a rectangular plastic container, although these tend to make the compost soggy. The optimum size for your container is eight to twelve inches deep.

Aerate the bottom

Drill holes at least 2 inches apart all along the container bottom. Plastic containers may need more holes. Raise the bin off the ground with bricks. This provides air flow to the worms and prevents the materials from rotting. Keep a tray underneath the bin to catch excess moisture that can then be used for liquid fertilizer. If your compost comes out too wet, simply drill more holes.

Line with Newspaper

To line the bottom of the container, simply shred newspaper into one inch wide strips and spray with water from a spray bottle until damp. Once this is completed, you will need to add about one cup of sand to the container. The sand assists the worms with their digestion.

Save Kitchen Scraps

Just like home composting, you will need to start collecting your kitchen scraps about one week prior to purchasing your worms. This will be the food your worms will eat in order to excrete your compost material. It is very important that you do not use animal proteins such as meat, bones, cheese and milk as well as any oil based products like mayonnaise or salad dressings. The best food for your worms is egg shells, raw fruits and vegetables, coffee grounds and used tea bags.

Acquire Your Worms

You will need to have at least 2 pounds of worms for each day of food waste. Surprisingly, this works out to be approximately 2,000 worms. The best variations for composting are red worms or red wigglers as they thrive off of organic materials such as rotting fruits and vegetables.

Cover Container

Worms like it dark and moist, so cover with a wooden board when outside. This will also keep away predators. Inside, heavy plastic will do.

Collect Worm Excretions

Within four to six weeks from starting your worm compost you will start to notice the bedding becoming darker. Finally, in about two to three months, there will be very little of your original bedding remaining. If you wish to collect all of the compost or castings at once, simply pour the container onto a tarp or old shower curtain liner. The next step is to shine a light over the piles to ensure the worms move to the bottom. Once you are sure they are at the bottom, begin scooping the castings until all that is left are the worms. Place new bedding, the worms and some of the castings back in your container and start all over again.

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