• Students Triumph in Tech Brew Challenge

    India’s Tocklai Tea Research Institute in Jorhat announced the winners of the 2024 Tech Brew Hackathon competition, held on International Tea Day. The winning students received 50,000 rupees for tackling their choice of five industry challenges. Teams from 20 universities participated, submitting projects addressing tea waste, marketing and promotion, and climate change. A panel of nine tea industry experts judged the projects.

    The top three teams are Team Orthodox, representing the Assam Science & Technology University with a novel non-chemical pest control solution; the second prize goes to Team Neuro Linga at the PSG Institute of Technology and Applied Research in Coimbatore for designing an integrated weather and crop health monitoring system. Team Doodle, also from PSG, proposed a network of sensors that monitor plant conditions for growers, signaling areas of concern. A resource website with a chatbot informed by a machine-learning AI model will assess their concerns and suggest remedies.

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    Pranjit Barman
    Pranjit Barman demonstrates the Spectro Smoke Drone

    Hackathon Focuses Youthful Attention on Pressing Problems.

    By Dan Bolton

    Tea Research Institute Secretary Joydeep Phukan said the “hackathon marks a significant milestone in bringing technological innovation to one of India’s most vital industries. I’m proud to announce the successful conclusion of the first-ever tea Tech Brew National Hackathon, a groundbreaking event aimed at addressing the challenges faced by the Indian Tea Industry.”

    Phukan said the event was organized “under the esteemed leadership of Chairperson Nayantara Palchoudhuri, Tocklai staff, and industry professionals who judged the competition.”

    Team Orthodox

    The winning students, Team Leader Pragyan Sen Deka, 23, and Pranjit Barman, 22, designed a drone-mounted hyperspectral imaging eye that roams tea gardens, searching for indications of pest infestations. Suspended below the drone is a smoke chamber that delivers natural fumigants that pests avoid.

    Pragyan Sen Deka
    Pragyan Sen Deka

    Fumigating crops with low-hanging smoke is an ancient, effective, and non-chemical method of driving pests away. Winning team leader Pragyan Sen Deka describes how a modern “Spectro Smoke” generator heats ferns and grass with electrically controlled nichrome wire, producing a downward-driven column of smoke that rises to the underside of leaves and drives away pests like the tea mosquito, one of several insects that reduces tea yields in India by an estimated 147 million kilos a year.

    “This innovation promises to transform how we approach pest control, ensuring healthier crops and a more sustainable future for tea plantations,” writes Phukan.

    Spectro Smoke Drone
    The Spectro Smoke Drone has 1000kv 10-inch propellers producing around 3500g peak thrust. Its max payload capacity is around 2kg. The drone is powered by a 4000mah lipo battery, which gives it a flight duration of 15-18 minutes with no payload. The transmitter is the 2.4GHz FS i6, with a range of 1.5 km.

    Team Neuro Linga (second place)

    The second prize goes to Team Neuro Linga at the PSG Institute of Technology and Applied Research in Coimbatore for designing an integrated weather and crop health monitoring system.

    “Their innovative solution impressively combines AI and IoT to tackle pest control and crop health. Using sensors, cameras, and smart technologies, they’ve developed a comprehensive system that not only repels pests but also monitors and predicts pest outbreaks, ensuring healthier crops and a more sustainable future for the tea industry,” writes Phukan.

    Team Doodle (third place)

    Their innovative solution features a specialized RAG (retrieval augmented generation) model for tea pest detection, designed to minimize computational resources while delivering precise, domain-specific results. Utilizing a Phi2 model with 2 million parameters and an image classification model (ResNet), Team Doodle leverages research papers, and articles scraped via Jina AI to ensure accuracy and relevance. Additionally, minimal hardware is used to collect environmental data such as temperature and moisture, helping to prevent pest outbreaks with accurate and timely detection.

    “Team Doodle’s approach represents a significant advancement in sustainable pest management for the tea industry. It combines cutting-edge AI with practical environmental monitoring,” writes Phukan.

    Problems to Solve

    Here is a list of problems students were asked to address:

    • Problem Statement 1: The tea industry faces significant challenges due to climate change, including water scarcity, temperature fluctuations, and soil degradation. Develop a technology-driven solution to help tea farmers adapt to changing climatic conditions, optimize water usage, and maintain soil health to ensure sustainable tea cultivation.
    • Problem Statement 2:  Tea crops are vulnerable to various pests and diseases, which can devastate tea crops within a short period. Develop a predictive model using data analytics and machine learning to forecast outbreaks of pests and diseases, enabling pre-emptive action to protect crops and reduce the reliance on chemical pesticides.
    • Problem Statement 3: With climate change and changing weather patterns, the incidence of pest management has increased, with certain pests such as the Tea Mosquito Bug, Looper Caterpillar, and Green Thrips causing havoc in tea plantations. Develop technologies based on airwaves, sound waves, or biocontrol to control the outbreak of the Tea Mosquito Bug, Looper Caterpillar, and Green Thrips to showcase how it works in tea plantations.
    • Problem Statement 4: The tea plant Camellia sinensis is a wonder plant. Tea leaves are harvested to make various types of tea. The tea plant also produces tea seeds and flowers. Tea is high in various properties, such as antioxidants and flavonoids. Propose methods and technologies to convert tea into diversified products using tea leaves and waste using innovative technology.
    • Problem Statement 5:  Tea is the second most consumed beverage after water globally. However, there is intense competition for tea as a beverage over other products. Some of the products sold as tea are not from the plant Camellia Sinensis. Develop technology-based solutions to promote tea amongst people from age 10 to 35 years, highlighting its many health benefits, which should be innovative and scalable to make tea the most sought-after drink. One may add non-technology-based suggestions to justify their technologies.

    Hackathon Judges

    • Ms N Palchoudhuri, Chairperson TRA
    • Mr Dan Bolton, Tea Journalist, Canada
    • Mr S K Saria, Chairman, NBC TRA
    • Mr Kailyanjeet Borah, Vice Chairman Agriculture Committee TRA
    • Mr Abhijeet Hazarika, Tsigma Consultancy
    • Mr Jai Kejriwal, Council Member TRA
    • Dr Anoop Barooah, former Director TRA
    • Dr A Babu, Director TRA
    • Joydeep Phukan, Secretary TRA

    Tea Research Association – Tocklai Institute

    To delve into the science and processes behind a good cuppa, visit the Tocklai Institute, the world’s largest and oldest tea research center (founded in 1911). The labs there research microorganisms that inhibit plant disease and promote growth. There is also a tea museum and model tea factory exhibiting the machines that turn leaves into teapot-ready tea.

    Tea Research Association Tocklai

    History

    The establishment of the Scientific Department of the Indian Tea Association (ITA) in 1900 marked the beginning of a new era of tea research in India. This was consolidated with the creation of the Tocklai Experimental Station in 1911.

    The formation of the Tea Research Association (TRA) in 1964, with Tocklai at the center of all activities, further expanded the horizon of tea research to cover the entire Northeast India. Research on all aspects of tea cultivation and processing is carried out at the Tocklai Tea Research Institute, Jorhat, the world’s oldest and largest research station. Transfer of technology to its member estates is carried out through its advisory network covering 1,076 tea estates occupying 341,049 hectares (1,317 sq mi) of land spread over The South Bank, North Bank, Upper Assam, Cachar, Tripura, Dooars, Darjeeling and Terai. Tocklai has its regional R & D Centre at Nagrakata, West Bengal.

    The organization undertakes basic and applied research on tea cultivation and processing in northeast India. A large chunk of the research work is done at Tocklai, while area-specific research for Dooars is carried out at NBRRDC, Nagrakata. Research on the pharmacological properties of black tea is carried out in collaboration with Kolkata and other institutes across India. The technologies developed through R&D activities are disseminated to the member gardens through a wide network of advisory personnel who conduct regular hands-on demonstrations and workshops.

    Photos courtesy Team Orthodox | Tocklai Tea Research Center

    Tea Research Association

    113, Park Street, Kolkata-700016
    +91-033-22291815, 22293813
    [email protected] / [email protected]


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    India’s Tocklai Tea Research Institute in Jorhat announced the winners of the 2024 Tech Brew Hackathon competition, held on International Tea Day. The winning students received 50,000 rupees for tackling their choice of five industry challenges. Teams from 20 universities participated. | Episode 171 | 7 June 2024

  • India Update: Indian Tea Industry Keen on Regenerative Agriculture | West Bengal Chief Minister Visits the Dooars | Women’s Empowerment in Assam’s Tea Gardens

    By Aravinda Anantharaman | Managing Editor

    India Tea News for the week ending Dec. 15
    India News | Aravinda Anantharaman
    Boomitra
    Boomitra Soil Carbon Marketplace

    Indian Tea Industry Keen on Regenerative Agriculture

    The Indian tea sector seems to be looking keenly at adopting regenerative agriculture practices and achieving net zero carbon emissions. This week, the Tea Research Association (TRA) announced a partnership with Boomitra, a soil carbon marketplace. This partnership is set to bring Boomitra’s expertise in regenerative agri practices to TRA members and enable them to generate additional income from the sale of carbon credits. Recently, trustea, the domestic sustainability code for Indian tea, also announced the addition of regenerative agriculture as part of its revised code published this year, offering its members a regenerative agriculture roadmap to adopt and follow.


    West Bengal Chief Minister visits the Dooars

    The West Bengal Chief Minister, Mamata Banerjee, visited the Dooars this week following the state government’s decision to award land rights to workers living and working in tea gardens, besides building homes for them in this tea belt. The chief minister said that she had handed the papers or pattas to 6,000 tea workers in the Alipurdar district. What should follow next is the process of identifying land in the tea gardens that can be allotted to them. Rs 120,000/- per person is being sanctioned towards house construction. The tea population is a significant vote bank, and this move is considered to be a game changer for the current government.


    Women’s Empowerment in Assam’s Tea Gardens

    The Women’s Safety Accelerator Fund (WSAF) and the Assam State Rural Livelihoods Mission signed an MoU on December 1st to empower women in tea gardens and positively change their lives. This partnership will leverage the opportunities the State Livelihood Mission provides and focus on key areas such as bridging the living income gap, equipping women and girls with crucial skills and innovative technologies, and capacity-building programs. The press report included an added emphasis on developing alternative livelihood options to enhance the socio-economic prospects of these communities.


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    • Share this Post | India Update: Indian Tea Industry Keen on Regenerative Agriculture | West Bengal Chief Minister Visits the Dooars | Women’s Empowerment in Assam’s Tea Gardens | Episode 147 |
  • Revised TRA Standards Promote Tea Sustainability

    Growers worldwide adhere to the Tocklai Tea Research Institute’s Good Agricultural Practices (GAP) and Good Manufacturing Practices (GMP) standards. The standards, based on decades of research and development, date to the early 1900s, with frequent updates. The latest update, titled TRA-Tocklai GAP-GMP Standard, will be available January 2023. The revisions are necessary to help growers and manufacturers improve soils, protect natural ecosystems, encourage diversity, reduce greenhouse gas emissions, and establish a more climate-resilient tea industry, according to TRA. The new standards closely align with the United Nation’s Sustainable Development Goals.

    Listen to the Interview

    Joydeep Phukan discusses revisions to TRA’s ag standards to improve tea sustainability
    Joydeep Phukan, the Principal Officer and Secretary of India’s Tea Research Association

    New Tea Policy Emphasizes Quality Evaluation

    India is seeking ways to improve tea quality. In January, the Tea Research Association (TRA) will implement a unified agricultural standard for tea fields and factories. Introduced in September, the revised standards align with the United Nation’s Sustainable Development Goals, explains Joydeep Phukan TRA’s Principal Officer and Secretary. He said that India’s tea sector is experiencing environmental and social changes that impact the livelihood of 10 million people, including 1.2 directly employed in the regulated tea gardens (RTG). Phukan has managed the research institute for the past 16 years. Before that, he was Assistant Secretary of the Indian Tea Association and Asst. Secretary at the Guwahati Tea Auction Center. He graduated with a degree in History and has a master’s in Management studies.

    Dan Bolton: Will you share some details about TRA’s new ag standards?

    Joydeep Phukan: Certainly. Tocklai is in its 111th year of non-stop operations. Over the years, we have come out with many different agricultural and manufacturing advisories, which have become the standard for the tea industry in India, and elsewhere.

    It’s two-way traffic. We learn from the practical problems faced by the industry in the field through our vast advisory network spread out in nine Indian states, our scientists work on that, and then we come out with solutions to the industry. These advisories are documented in the TRA Field Management Book, TRA Planters Handbook, and the Tea Encyclopaedia of TRA

    Since the advisories were spread out and extensive, we considered summarizing them into a few chapters to create a Bible for the industry. We began by collating the pillars of our advisories and condensed them into seven chapters aligned to the United Nations Sustainable Development Goals covering 2, 4, 13, and 15 of the SDGs

    Tocklai’s Good Agricultural Practices GAP and GMP are based on hardcore research on tea done by our scientists over the last 111 years. We added a few more chapters primarily to address the industry’s sustainability issues.

    GAP is a dynamic document; as we go ahead, we will add on things and discard what is no longer beneficial. We are doing it through a consultative process with the industry. A standards committee within our organization reviews our standards from time to time.

    “This is a dynamic document; as we go ahead, we add on things and discard which are not beneficial. We are doing it through a consultative process with the industry. A standards committee within our organization reviews our standards from time to time.”

    Joydeep Phukan

    Dan: How do these standards differ from third-party certification by organizations such as the Rainforest Alliance, which introduced a new sustainable ag standard in June 2020?

    Joydeep: The main difference between our standards and those developed by third-party certifiers is that our standards are backed by scientific research carried out by our scientists. There is scientific evidence for every practical recommendation that works well in the tea industry.

    Sustainability has been a buzzword for the last 25 years. When you look at the Indian tea industry, you see that we at TRA Tocklai have been researching and publishing advisories to make tea more sustainable for more than a hundred years.

    Third-party certifiers bring in many things which are not based on their own work and or scientifically backed. Many certifications use a fit-all model where tea is put in the same basket as other commodities. 

    Initially, we are concentrating on the TRA GAP GMP standards for the regulated sector in India, but gradually we will include advisories specific to small growers so that there is one standard for the industry. Assam’s Government has mandated TRA Tocklai to provide R&D support to more than 200,000 smallholders in Assam.

    The Central Research Facility, occasionally referred to as the New Research Building, was constructed in the year 1999. It houses the major research departments of Biochemistry, Plant Physiology & Breeding, Biotechnology, Soils, Entomology and Mycology & Microbiology.
    The Central Research Facility, which opened in 1999, houses the major research departments of Biochemistry, Plant Physiology & Breeding, Biotechnology, Soils, Entomology, Mycology & Microbiology. Photo courtesy TRA.

    Dan: When farms and factories adhere to these standards, are they recognized for their effort? Do they receive a certificate attesting to the fact they adhere to TRA’s best practices?

    Joydeep: Yes. Our advisory network is spread out across Northeast India. They visit every TRA member’s gardens twice a year. They have to review each aspect of their operations against these standards. Once they are fulfilled, the gardens will be certified annually and receive a certificate for adherence to the adoption of best practices. There is no additional cost for the TRA members.

    Member estates of TRA comprise almost 90% of the organized sector in North India, covering nine Indian states in East and Northeast India.

    Dan: After inspections are completed, do growers and manufacturers receive a report indicating what they’ve achieved and what improvements to focus on?

    Joydeep: Yes. They will receive a report indicating how they have fared vis-à-vis the standards. If there are shortcomings, we will help them improve the estate’s compliance with the standards. Most of our members implement the TRA recommendations, and some go beyond, by implementing new ideas. We also plan to share the best practices followed by certain estates/companies within the code if the concerned company agrees to share the same.

    Dan: Gardens that conform to various standards may tick the boxes and demonstrate lowered emissions, but standards alone do not ensure better tasting tea. Will you discuss the importance of teaching growers how to improve the quality of their pluck and the fundamentals of manufacturing good tea?

    Joydeep: That’s a very good question. It is not enough to lay standards and certify them on paper. We must walk the talk to teach our members better plucking and manufacturing. Although the perception of quality differs, the basic standards of plucking and manufacturing must be maintained. At TRA we have organized hundreds of onsite workshops for small tea growers on good plucking standards. Parallelly, we are aggressively organizing cold weather and early weather workshops for all our member estates on the care they should take for better plucking standards. 

    TRA has a dedicated tea manufacturing advisory service. The TMAS team which consists of a biochemist, a tea taster, and a tea technologist will hand-hold tea makers in tea factories and train them on quality manufacturing. Apart from our model tea factory at Tocklai, we are coming up with another model tea factory at Nagrakata in Dooars for gardens to experiment with quality tea manufacturing. We are also considering training estates on Orthodox tea making which should see good demand amongst our industry.

    Soil plays a significant role in long-term sustainability, and the method of regenerative agriculture developed by TRA will go a long way in addressing soil health issues at a much lower cost.

    Tocklai Tea Directorate

    Dan: Truly sustainable production is profitable, which, due to today’s costs, demands the additional revenue generated by value-added tea, right? Will you talk about how India can add value to generate more revenue?

    Joydeep: Tea is a commercial business for everyone in the organized sector, including the small grower. To produce truly sustainable tea, you must be economically sustainable. Ultimately if the venture is not commercially sound, no one will invest the money to make a plantation sustainable.

    Indian tea is sold mainly as a commodity; accordingly, as each commodity has its own cycles, it also has its ups and downs. It’s high time tea producers see merit in their produce and market directly as a brand. Today we have many channels to sell our products and many consumers. The pandemic was a blessing in disguise, and many tea companies tried out their own selling and distribution platforms. We need to scale this up fast to have visibility across the digital platform.

    However, with all efforts, if we can’t increase tea consumption, these measures will not bear fruit. Attracting millennials and GenZ to drink more tea is crucial. The tea industry needs to have a well-thought-out plan and execute it meticulously to attract them.

    Interestingly, the young generation, whom we target to drink more tea, are conscious of the environment and like to experiment. They have a strong digital footprint. We from the industry need to act together to position our product with the right message. The young generation surely will pick up the threads and make tea their preferred drink. If the new generation feels for a cause or a product, money is not an issue for them. So that’s how we can get our value from the tea.

    Download: Tea Research Association Vision 2030


    Tocklai Tea Research Institute

    Tocklai Small Tea Growers Training & Research Centre, Jorhat, Assam

    Good Agriculture Practices (GAP)

    Agrotechnology developed by Tocklai is primarily based on GAP principles and implemented through a strong network that provides advisory services. The network covers all of Northeastern India. One area of research is optimizing process parameters for black tea processing. ECM (Environmentally Controlled Manufacturing) and Model tea manufacturing enable tea processors to achieve ECM objectives. Fertilizers are checked for the presence of hazardous substances before application, and recommended pesticides are sprayed on tea bushes to ensure that no pesticide exceeds the permissible limit of MRL (maximum residue levels). Meeting the regulatory requirements in domestic as well as global markets under Sanitation and Phytosanitation (SPS) measures under WTO are one of the challenges to be dealt with appropriately in the coming years. TRA research efforts need to be continuously focused on ensuring quality at the farm gate. Research data is regularly updated to help develop quality standards for conformance.

    Assam’s Proposed Tea Policy

    Assam’s chief minister has proposed financing several activities to further develop the tea industry in terms of quality, and valuation, not only in tea but other by-products like tourism. Group A initiatives offer incentives for all gardens. Group B initiatives are exclusively for small growers. Together they will help establish brand identity for the state.

    Similarly, the central government of India is also promoting quality, product diversification, and market access. These initiatives require substantial money to be allocated both by the state government and the central government.

    The focus is on quality evaluation and new markets, a combination that will re-energize the sector and make it sustainable.


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