You can turn kitchen waste into rich manure

Are you aware that the awful smelling kitchen trash can be turned into cheap compost for your crops? Vermicomposting or Worm composting, converts kitchen waste and other organic waste into nutrient-rich compost that can be used for crop produ-ction.

The earthworms feed on the organic materials and passes it through their digestive system and produces castings which are simply earthworm excretion. The excretion is what is called the vermicompost. When applied to soil, the compost can improve nutritive properties of the soil. The compost can help break down soil and organic matter making the nutrients readily available for plants.

The vermicompost contains higher nutrients than the conve-ntional compost. It enhances pla-nt growth, suppresses disease in plants, increases porosity and microbial activity in soil, and improves water retention and aeration.

The advantages

Not only is it rich in nutrients but it’s also loaded with the microorganisms that create and maintain healthy soil. The benefi-ts of worm compost include; pro-vides nutrients to soil, increases soil’s ability to hold nutrients in a plant-available form, improves the soil structure; improves the aeration and internal drainage of heavy clay soils, increases water holding ability of sandy soils and provides numerous beneficial bacteria. The compost has a natural smell therefore suitable for indoor plants.

Compared to conventional comp-osting, vermicomposting takes a shorter period to prepare because the earthworms take over both the roles of turning and maintaining the material in an aerobic condition, thereby reducing need for mechanical operations. The red earthworm species are the most preferred because they are the most efficient in compost making.

This is because they eat 10 per cent soil and 90 per cent organic waste into vermicompost faster. Also the worms can tolerate high temperatures.

Making vermicompost

Apart from the kitchen waste, other organic materials that can be used are straw, leaves wastes, food processing wastes and diary wastes.

The essential components of a home vermicomposting unit are an aerated container, some moist bedding, and a few thousand red worms. Because you will be working with a dynamic process, you’ll need to carry out certain maintenance procedures both to keep the worm population healthy and to obtain and utilise the end product. Worms are very sensitive to light and noise. It is therefore recommended that the breeding boxes are stored in a dark or shaded area. Add the food scraps, vegetable peels, tea bags into the box. Avoid meat or meat by-products as well as dairy products and oil foods.

The dos and don’ts

Don’t feed your worms inorganic waste such as aluminium foil or glass. Also, avoid coloured-ink newspaper as these dyes can be harmful. If your worms seem to be eating too slowly, you can either add more worms or you can try chopping up what you feed them. Much like turning the compost in a traditional compost heap, chopping scraps up will speed the process along. For worms, moisture is essential to the most basic function of life, breathing.

Once the contents of your bin have turned to worm castings that is brown, earth-looking stuff then it’s time to harvest the casti-ngs and give your worms new bedding.

Worm castings can be harvested any time from every two-and-a-half months to every six months, depending on how much food you’ve been giving them.

When to collect the compost depends largely on whether you want to continue the operation year-round or shut it down after one harvest.

If you plan to continue vercomp-osting, you will need to move the worms to a new clean home after the third or fourth month.

The vermicompost you harvest will contain bedding and bits of old food as well as a high propo-rtion of worm castings. Worm composting is easy, convenient, environmentally friendly and it is inexpensive.

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