Departments - ZOOLOGY - Best Practices
BEST PRACTICES
Vermiculture, also known as worm composting, is a process of using worms to decompose organic food waste, turning it into nutrient-rich compost. Here's a step-by-step process of how vermicomposting is typically done:
- Selecting a Container: Choose a suitable container for your worms. It can be a plastic or wooden bin with a lid. Ensure it has drainage holes at the bottom to prevent waterlogging.
- Bedding: Prepare bedding material for your worms. Shredded newspaper, cardboard, coconut coir, or a mixture of these materials work well. Moisten the bedding until it's as damp as a wrung-out sponge.
- Adding Worms: Purchase composting worms, usually red wigglers (Eisenia fetida) or red worms (Lumbricus rubellus), from a reputable source. Add them to the bedding in the bin. Start with a few hundred worms for a small bin and increase as needed.
- Feeding the Worms: Add organic kitchen scraps to the bin. Worms can eat fruit and vegetable scraps, coffee grounds, tea bags, crushed eggshells, and small amounts of non-greasy food leftovers. Avoid adding meat, dairy, oily foods, and citrus fruits.
- Maintaining Conditions: Keep the bin in a cool, shaded area to prevent overheating. Optimal temperatures for worms are between 55°F and 77°F (13°C to 25°C). Monitor moisture levels; the bedding should be damp but not waterlogged. Add water if it becomes too dry, or add more bedding if it's too wet.
- Turning the Bedding: Every few weeks, gently turn the bedding to aerate it and redistribute the worms. This helps prevent anaerobic conditions and encourages decomposition.
- Harvesting Compost: After several months, the bedding will have turned into nutrient-rich compost. You can harvest the compost by scooping it out from one side of the bin while leaving the worms and undecomposed material on the other side. Alternatively, you can use a vertical migration method, where you add fresh bedding and food to one side of the bin, causing the worms to migrate to that side over time.
- Using the Compost: Use the finished compost in your garden to enrich the soil and provide nutrients to plants. It can be used as a top dressing, mixed into potting soil, or brewed into compost tea.
- Continual Maintenance: Keep feeding the worms regularly and maintain optimal conditions to ensure continuous composting.
By following these steps, you can effectively set up and maintain a vermicomposting system to recycle organic waste and produce nutrient-rich compost for your garden.