Indian Institute of Technology Guwahati Dr. Ajay Kalamdhad Assistant Professor Dept. of Civil Engineering Indian Institute of Technology Guwahati

Guwahati -781039

Phone: +91 -361-258-2431

+91-96,79621395 Fax: +91-361-258-2440 Email : kaj a),@iitg.ernet. in [email protected]

Date:05/0612014 To,

Dr. R. K. Singh The Director

Indian Institute of Veterinary Research (IVRI) lzzatnagar,

B

areilly, Ind ia

Subject: Feedback about "Jaigopal" earthworm

Dear sir,

First of all, thank you for providing.us (IITG) "Jaigopal" Vermi culture technology. We have utilized this technology for production of good quality vermicompost at higher rate. Please

find the feedback from our investigation about the performance of

..Jaigopal,,

earthworm.

1)

Comparison of Jaigopal Earthworm (JG) over Esinea fetida (EF) and Eudrilus Euginea (EG)

o o . t

Reproduction rate of JG is very fast as compare to EF and EG.

Survival temperature ranges from 4 to 45oC. They are resistive to light rays. The degradation rate was very fast. Organic waste such as Vegetable waste, water hyacinth and industrial sludge were tested.

o

Waste can be feeded directly even without any pre-treatment or by adding any amendments such as cattle manure and dry leaves.

o o

Final product is of uniform size. Cocoon production is more as compared to other two species.

o

Final product was rich in NPK and pathogen free.

2) Onsite vermicomposting reactors

We have provided household vermireactors to some of the faculty members of IIT Guwahati. The details about the reactors and compost production are given below.

Reactor size:

w

Finding:

o o

Jaigopal species was tested for it efficiency in field trials.

Everyday's kitchen waste including vegetable waste, fruit peels, cooked food waste, egg shells and tea waste were added.

o

1.5 to 2.5 kg waste was added everyday to the reactor which was sectioned to--five

portions for the feeding.

First feeding was done on the first section followed by subsequent section for five days' Once the cycle is over, the feeding was repeated from the first section and so on. Five days were more than enough for the degradation of the waste materials for which the reactor was designed and harvesting was done after 25 to 30 days. a

Reproduction rate and the number of cocoon production were very much higher.

a

Quality of vermicompost was very good with rich NpK and free of pathogens.

After 30 days of vermicomposting: 15 kg of vermicompost was harvested

Thank you

With best regards

(Ajay Kalamdhad)

'

Assistant Professor Department of Civil Engineering lndian lnstitute of Technology Guwahati Guwahati-781039, lndia

___)

Indian Institute of Technology Guwahati

o Reproduction rate of JG is very fast as compare to EF and EG. o Survival temperature ranges from 4 to 45oC. . They are resistive to light rays.

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