Which earthworm is not suitable for vermicomposting?
Complete answer: As it is a humus feeder, Pheretima posthuma is not recommended for vermicomposting. Pheretima posthuma is unable to turn the waste into a nutrient-rich compound called humus. So, for vermicomposting, it is not considered appropriate. Vermicompost has detoxifying ability, thus its cultivation products are safe. Also, vermicompost is safe for farmers (4). In this regard, yield of the plants treated with cow manure dosage of 500 g/m2 decreased, which is probably due to its high pH relative to the vermicompost fertilizer.
What is the lifespan of a compost worm?
Edwards and Bohlen suggest (based on the research of others) that wild worms typically only live for a few months, while those in captivity can live as long as 4-8 years (or more). According to one study, E. Mature earthworms can produce up to 80 cocoons a year. An earthworm’s lifespan depends on its environment. Those with a wholesome country lifestyle can live up to eight years, but those in city gardens generally last 1-2 years.These can convert 45 kg of wet biomass (40% moisture) in a week’s time yielding about 25 kg of vermicompost. The worms feed on the biomass, assimilating 5%-10% for their growth and excreting the rest in the form of nutrient rich casts.
What are the disadvantages of worm composting?
There are some disadvantages of vermiculture: Initial cost of red worms may be cost prohibitive (up to $22/lb for bulk orders plus shipping). Need to care for and monitor worms year round. Decomposition depends upon the number of worms in the pile. Vermiculture Earthworm You can purchase live earthworms at a minimum rate of Rs 150-200 per kilogram.A number of different species of earthworms have been used in vermicomposting, but the only one currently recommended for use is Eisenia fetida. These worms go by many common names, but the two used most often are Red Wiggler and Tiger Worm.In contrast to a popular urban legend, erythorbate is NOT made from earthworms, though the U. S. Department of Agriculture reports receiving many inquiries about erythorbate’s source. It is speculated that the similarity in the spelling of the words “erythorbate” and “earthworms” has led to this confusion.