Nitrofix Laboratories: Celebrating 40 years of bio fertilizer research and production 25, Bansdroni Avenue, Kolkata-700 070 (033) 2471 8486

Who We Are

Nitrofix Laboratories which is considered as the oldest Biofertilizer Unit in the State was established in 1977 by a group of eminent scientists for research and development on biological nitrogen fixation, as well as production and distribution of quality biofertiliser inputs in the agriculture, sericulture and forestry sector of our state . Since its inception, the organisation is relentlessly involved in research work pertaining to the development

View More

Our Resources

  • R & D Infrastructural Resources
  • Production & Marketing facility
  • Training and awareness building activity
  • Academic activities
  • Soil Testing
  • Execute agri-based projects

Send Enquiry

Our Products

Our Clients

  • West Bengal State Seed Corporation Ltd.

  • The West Bengal State Co-operative Marketing Federation Ltd.

  • Agriculture Business Division ITC Ltd.

  • M/s Green Chain

  • D Kapur Pvt Ltd

  • GMS Agritech Pvt. Ltd.

Latest News

Our Testimonials

  • Nitrofix Laboratories is carrying out a large number of field trials at different parts of Birbhum District namely Dubrajpur,  Illambazar, Nanoor, Labpur and Nalhati with the Cooperative societies under the supervision of Dr. Mrinal Kanti Basu, Agricultural Scientist.

    Successful field trial at different parts of Birbhum District
  • 21st September 2013: Visited Nitrofix Laboratories from P. G. Department of Botany along with Dr. A. Ghosh & Mr. S. Mitra who have long experience on research & teaching. Students of 4th Semester, Botany (spl. paper of Microbiology, Plant Physiology & Molecular Biology) have visited this Lab ...

    Prof. Debabrata Das

    Department of Botany
    Darjeeling Govt. College, Darjeeling, West Bengal (Visitor)

  • 24th April 2014: Visited Nitrofix Laboratory for a number of times during last ten years. From the very beginning of my visit, I have seen that the same standard is maintaining here and all the scientists working here are technically very sound and sincere. Cultures of the bacteria are well maintained - ...

    I. Naskar
    Jt. Director of Agriculture (Mycology & Plant Pathology)

    Dept. of Agriculture, Govt. of West Bengal (Visitor)

  • 16th February 2011: Visited Nitrofix Laboratory today. Dr. Mrinal Kanti Basu is renowned scientist in the field of biofertilizer. I visited his laboratory, production unit and also checked the quality of strain at maintenance level. Excellent laboratory, I also shared few ideas during power point show. S...

    Dr. Paritosh Bhattacharya

    Amity Institute of Bio-Organic Research & Studies (AIBORS)
    Formerly, Founder Director, National Centre of Organic Farming, Govt. of India, New Delhi (Visitor)

  • 5th September 1997: Commendable exercise in conducting very valuable research in private sector. Biofertilizer is the future for small farmers’ way to maintain sustainable balance of nutrients in the fast depleting soils. To do is in the private sector is very meaningful. Mr. Bose & his staff ...

    Avtar Kaul

    Winsock International, USA (Visitor)

  • Memo No. – 2 dt. 2nd January 1998 : The comparative results of TRIAL plot applying AZOPHOS and CONTROL plot with full dose of chemical fertilizer during the Kherif season 1997 in Paddy variety PNR-162 in Block seed Farm, Mathabhanga - I, we have got the production of 330 Kg/Bigha in TRIAL plot and...

    Assistant Farm Manager
    Block Seed Farm
  • 25th February, 2016: This is to certify that the field trial of AZOPHOS of M/s GREEN CHAIN was conducted recently as per the protocol, at our CHOONABHUTTI TEA ESTATE in Dooars (North Bengal) and it has been observed that an increase of 9.41% crop was achieved from the trial/treated plot in comparison to ...

    Kaustuv Ray
    General Manager

    ANDREW YULE & CO. LTD. TEA DIVISION, A Govt. of India Enterprise

  • 25th March 2004: The comparative analysis between TRIAL plot applying AZOPHOS with reduced chemical fertilizer and CHECK plot with full dose of chemical fertilizer during the Kherif season 2003 in Paddy variety ADT-44 in State Agricultural Farm, Burdwan, we have got 0.76 MT/Ha more production. It is also...

    Manas Mukhopadhyay
    A. D. O.

    State Agricultural Farm, Burdwan, West Bengal

  • 2nd November 2009: We have taken this opportunity to make the experiment at our agricultural land for the “Ground nut” crops. We prepared two same types of identical lands side by side and cultivated “Ground nut” seeds one with your “RHIZOPHOS” BIO-FERTILIZER and other...

    Nayan Patel

    Cast & Blower Co. (Guj.) Pvt. Ltd.