Earthworm Breeding Farm

Where do we find Earthworm and its influence on soil fertility?

Earthworms are the measure for soil fertility. Earthworms are usually found in the grasslands and mull soils. The various factors such as the soil texture, moisture, temperature and food supply also determines that the field may have a number of earthworms. Earthworms burrow the soil which aids in improving the soil structure and creating the spaces through which the roots of the plants go in the soil. This not only helps in soil porosity and aeration but also improves the soil drainage and water penetration. The soil can become more fertile if the formation increases. The earth worms actually consume the organic matter in the soil and they can consume more surface organic matter than other soil animals. This is excreted as cast, nutrients which are made available to the plants. The earthworm casts consists of richer calcium, potassium and phosphorus than the surrounding soil. Earthworms and its excretions are the most valuable sources of nitrogen.

Earthworm Breeding Farm

Vermiculture is described as the art of breeding and raising the earthworms. Vermicompost are also known as the "live castings", and vermicast. Vermicompost will contain capsules that are the worm eggs, and immature worms. It can be used in the gardens. This contains uneaten worm food. Vermicast are the "castings". It has been eaten out by worms and all the worms have gone. Liquid castings are also manufactured and offered for sale, largely for the garden market. They are made by mixing 20% castings with water. Some organic producers use liquid castings as a foliar broad acre spray.

The increase in the production of earthworms is possible if there is a presence of a large amount of organic matter on which they can feed themselves to survive. The population of earthworms can be increased or decreased by the following ways. They include cultivation, cropping, fertilizers and pesticides. The population may decline by a repetitive row cropping. The organic matter like the manure and crop residues helps in the multiplication of earthworms by providing the food.

Conclusion

All that is needed for the survival of the earthworms is the organic matter present in the soil. The only way to improve the quality of the soil is by providing the earthworms with a sufficient amount of food and moisture. They are the builders of soil and one can be benefited only by increasing their number in the soil. The population of earthworms varies from season to season and also one soil to another. The number increases in the spring and early summer. Earthworms actually help in improving the soil quality, it mixes and tills the soil, and it aids in the humus formation and also increases the availability of plant nutrients.

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