How to Make Compost Tea
Worm Composting
Also called ‘vermiculture,’ the term refers to the production of humus from organic matter by using a combination of microorganisms and earthworms. Unlike other composting processes, worm composting does not require heat to degrade and stabilize organic material; instead, it makes use of intimate interactions between the earthworms and the microbes that live in their intestinal tract and in the organic material. Worm composting yields two economically valuable products — vermi-cast and vermi-meal.
Earthworm casts consist of remains of digested organic matter, mucous and nitrogen-derived substances. The texture of these casts is finer than can be found in traditionally composted wastes. Vermi-cast is superior to inorganic fertilisers in its ability to provide growth nutrients. Apart from the normal N-P-K (nitrogen, phosphorus and potassium) contents, vermi-cast delivers enzymes, beneficial microbes, and growth hormones. Vermi-meal is a protein-rich meal made from ground earthworm meat. Its protein content is about 62% with 11% fat. It can be used as an ingredient for animal feeds.
Worm Juice
Worm juice is a special product from earthworms. It also contains some N-P-K, but its major benefit comes from its plentiful supply of nitrogen-fixing bacteria (about 100,000 CFU/ml), trace elements, and minerals all mixed in an aerated liquid and immediately available to the plant. Usually applied at the rate of 10 litres per hectare, worm juice helps the soil regain its natural capacity to provide plants with the nutrients they need in readily available form. It is also used as a foliar spray and as dressing on seed coats to increase germination rates.
Worm Compost Tea
Also known simply as ‘worm tea,’ this nutrient solution is a liquefied form of vermi-cast produced from worm composting, further enriched with minerals, essential plant nutrients, and all the various microorganisms so necessary to soil health and enhanced plant growth. Application is easy but it is important that worm tea be applied within 4 hours after the solution is activated. Worm tea is usually applied on the soil, plant leaves, and mulch to promote soil health.
Continued use of earthworms and earthworm products will help you eliminate inorganic fertilisers and other chemicals in your farm.
