Dr. R Raja

Principal Scientist
Agronomy

Academic Qualification:

  • Ph. D. in Agronomy, Agricultural College & Research Institute, TNAU , Coimbatore – 641 003, 2001
  • M.Sc. in Agronomy, Agricultural College & Research Institute, TNAU , Coimbatore – 641 003, 1998
  • B.Sc. in Agriculture, Agricultural College & Research Institute, TNAU , Coimbatore – 641 003, 1996

Address: ICAR-Central Institute for Cotton Research (CICR) Regional Station, Coimbatore 641003,
Tamil Nadu, India
Phone : 0422-2430045
Fax : 0422-2454021
eMail: rajatnau@gmail.com, r.raja1@icar.gov.in
Mobile: 9776336567

  • Rice and Cotton Agronomy, Conservation Agriculture and Precision Agriculture in Cotton
DesignationYearsInstitutions
Principal Scientist2015-PresentICAR-CICR RS, Coimbatore
Principal Scientist2014-2015ICAR-CRRI, Cuttack, Odisha
Senior Scientist2008-2014ICAR-CRRI, Cuttack, Odisha
Scientist Senior Scale2007-2008ICAR- CARI, Port Blair, Andaman & Nicobar Islands
Scientist2003-2007ICAR- CARI, Port Blair, Andaman & Nicobar Islands

Natural Resources Management in Rice based Farming system of Andaman and Nicobar Islands

  • Development of supplemental irrigation schedule for increasing crop yield and water use efficiency in rice based cropping system of A & N Islands
  • Impact assessment, planning and restoration of crop production in tsunami affected agricultural lands of A&N Islands viz., Delineation, mapping and characterization of the land and water resources of tsunami affected areas and providing scientific know how and field level do how to the planners/ farmers through on-farm demonstrations to restore crop production in the tsunami affected areas
  • Development of Broad Bed and Furrow (BBF) technology for crop diversification in lowlying valley areas under on station and on farm
  • Development of Integrated Farming System (IFS) models suitable for various micro farming situations
  • Development of agro techniques for direct seeded rice under Island ecosystem

Natural Resource Management in Rainfed Rice Farming with special reference to eastern India

  • Impact assessment of climate variability on rice productivity and developing adaptation strategies to enhance adaptive capacity to climate change in vulnerable regions
  • Development and demonstration of basket of technological options in the field of agriculture and allied activities, including livestock, fisheries for climate change adaptation in water stress prone Ganjam district of Odisha under the National Agricultural Innovation Project (Component III) on “Strategies to Enhance Adaptive Capacity to Climate Change in Vulnerable Regions”
  • Use of fly ash as potential soil amendment and nutrient source for enhancing rice productivity
  • Climate-Smart Resource Conservation Technology (CRCT) for lowland Rice Ecologies in Eastern India
  • Development and commercialization of Customized Leaf Colour Chart (CLCC) for Nitrogen Management in Rice for Different Ecologies
  • Development of mobile App riceXpert for the farmers to provide information to rice farmers on insect pests, nutrients, weeds, nematodes and disease-related problems, rice varieties for different ecologies, farm implements for different field and post harvest operations

Natural Resource Management in cotton with special reference to South India

  • Development of conservation agriculture based package of practices for remunerative cotton based cropping systems
  • Yield enhancement in extra long staple cotton through increased plant density, drip fertigation and canopy management
  • Precision planting and sensor based nitrogen management in cotton under High Density Planting System
Project titleFunding AgencyPeriodRole
ICAR-Network Program on Precision Agriculture (NePPA)ICAR2021-2026 (Ongoing)Co- Investigator
Confidence building and facilitation of large scale use of fly ash as an ameliorant and nutrient source for enhancing rice productivity and soil healthDST, New Delhi (66.26 lakhs)April 2010-December 2014Principal Investigator (Jan- Dec 2014)
Strategies to enhance adaptive capacity to climate change in vulnerable regionsNAIP-GEF (Component 3) (167.8 lakhs)April 2010-June 2014Co- Investigator
Development of crop and nutrient management practices in rice for Odisha StateIRRI (US $ 15000)June 2013- April 2015Co- Investigator
Development of Integrated Farming System model under different resource conditions in humid tropics of Bay IslandsAP CESS (21.27 lakhs)April 2004-July 2007Co- Investigator
Crop diversification through BBF based farming system in valley areas of Bay IslandsAP CESS (24.06 lakhs)July 2005- July 2008Co- Investigator
Biochemical and molecular characterization of soils of mangrove forests of AndamansAP CESS (21.03 lakhs)April 2005-March 2008Co- Investigator
Development of a nutrient and plant hormone enricher foliar formulation for cottonInstitute2021-2024Co-PI
Suggesting cost effective solutions for the development of appropriate land reclamation programs in tsunami affected Andaman-Nicobar Island and the Maldives (Consultancy)ITRC, Colombo (16.07 lakhs)March 2006-December 2007Team member
Publication categoryNo. of publications
Research Papers/Articles (International)41
Research Papers/Articles (National)20
Research Papers in Seminar/Workshop Proceedings/ Abstracts (International)6
Books Published2
Research Papers in Seminar/Workshop Proceedings/ Abstracts (National)27
Popular Articles5
Research bulletins/ extension bulletins2
Training Manual (authored/Co-authored)9
E-Publications6

RESEARCH PAPERS/ ARTICLES International Journals

  • Gautam, P., Lal, B., Nayak, A.K., Raja, R., Panda, B.B., Tripathi, R., Shahid, M., Kumar, U., Baig, M.J., Chatterjee, D., Swain, C.K. 2019. Inter-relationship between intercepted radiation and rice yield influenced by transplanting time, method, and variety. International Journal of Biometeorology, 63: 337–349
  • Lal, B., Gautam, P., Nayak, A.K., Maharana, S., Tripathi, R., Shahid, M., Baig, M.J., Raja, R., Kato, Y., Srivastava, A., Singh, S. 2019. Tolerant varieties and exogenous application of nutrients can effectively manage drought stress in rice. Archives of Agronomy and Soil Science, 66 (1): 13-32
  • Lal, B., Gautam, P., Nayak, A.K., Raja, R., Shahid, M., Tripathi, R., Singh, S., Septiningsih, E.M., Ismail, A.M. 2018. Agronomic manipulations can enhance the productivity of anaerobic tolerant rice sown in flooded soils in rainfed areas. Field Crops Research, 220:105-116
  • Mohanty, S., Swain, C.K., Tripathi, R., Sethi, S.K., Bhattacharyya, P., Kumar, A., Raja, R., Mohammad Shahid, Panda, B.B., Lal, B., Gautam, P., Munda, S., Nayak, A.K. 2017. Nitrate leaching, nitrous oxide emission and N use efficiency of aerobic rice under different N application strategy. Archives of Agronomy and Soil Science, 64(4): 465-479
  • Kumar, U., Mohammad Shahid, Tripathi, R., Mohanty, S., Kumar, A., Bhattacharyya, P., Lal, B., Gautam, P., Raja, R., Panda, B.B. 2017. Variation of functional diversity of soil microbial community in sub-humid tropical rice-rice cropping system under long-term organic and inorganic fertilization. Ecological Indicators, 73: 536-543
  • Lal, B., Gautam, P., Panda, B.B., Raja, R., Singh, T., Tripathi, R., Mohammad Shahid, Nayak, A.K. 2017. Crop and varietal diversification of rainfed rice based cropping systems for higher productivity and profitability in Eastern India, PLoS ONE, 12(4): e0175709
  • Tripathi, R., Nayak, A.K., Raja, R., Mohammad Shahid, Mohanty, S., Lal, B., Gautam, P., Panda, B.B., Kumar, A., Sahoo, R.N. 2017. Site-Specific Nitrogen Management in Rice Using Remote Sensing and Geostatistics, Communications in Soil Science and Plant Analysis, 48 (10): 1154 – 1166
  • Lal, B., Priyanka Gautam, Raja, R., Tripathi, R., Shahid, M., Mohanty, S., Panda, B.B., Bhattacharyya, P., Nayak, A.K. 2016. Weed seed bank diversity and community shift in a four-decade-old fertilization experiment in rice–rice system. Ecological Engineering, 86:135-145
  • Priyanka Gautam, Lal, B., Tripathi, R., Mohammad Shahid, Baig, M.J., Raja, R., Maharana, S., Nayak, A.K. 2016. Role of silica and nitrogen interaction in submergence tolerance of rice. Environmental and Experimental Botany, 125: 98–109
  • Tripathi, R., Shukla, A.K., Mohammad Shahid, Nayak, D., Puree, C., Mohanty, S., Raja, R., Lal, B., Priyanka Gautam, Bhattacharyya, P., Panda, B.B., Anjani Kumar, Jambhulkar, N.N., Nayak, A.K. 2016. Soil quality in mangrove ecosystem deteriorates due to rice cultivation. Ecological Engineering, 90: 163–169
  • Shahid, M., Shukla, A.K., Bhattacharyya, P., Tripathi, R., Shahid, M., Mohanty, S., Kumar, A., Lal, B., Gautam, P., Raja, R., Panda, B.B., Das, B., Nayak, A.K. 2016. Micronutrients (Fe, Mn, Zn and Cu) balance under long-term application of fertilizer and manure in a tropical rice-rice system. J Soils Sediments, 16: 737–747
  • Raja, R., Nayak, A.K., Shukla, A.K., Rao, K.S., Priyanka Gautam, Lal, B., Tripathi, R., Shahid, M., Panda, B.B., Kumar, A., Bhattacharyya, P., Bardhan, G., Gupta, S., Patra, D.K. 2015. Impairment of soil health due to fly ash-fugitive dust deposition from coal-fired thermal power plants. Environmental Monitoring and Assessment, 187, 679. DOI 10.1007/s10661-015-4902-y.
  • Tripathi, R., Nayak, A.K., Mohammad Shahid, Lal, B., Priyanka Gautam, Raja, R., Mohanty, S., Kumar, A., Panda, B.B., Sahoo, R.N. 2015. Delineation of soil management zones for a rice cultivated area in eastern India using fuzzy clustering. Catena, 133:128-136
  • Tripathi, R., Nayak, A.K., Mohammad Shahid, Raja, R., Panda, B.B., Mohanty, S., Kumar, A., Lal, B., Priyanka Gautam, Sahoo, R.N. 2015. Characterizing spatial variability of soil properties in salt affected coastal India using geostatistics and kriging. Arabian Journal of Geosciences, DOI 10.1007/s12517-015-2003-4.
  • Bhattacharyya, P., Nayak, A.K., Mohammad Shahid, Tripathi, R., Mohanty, S., Kumar, A., Raja, R., Panda, B.B., Lal, B., Priyanka Gautam, Swain, C.K., Roy, K.S., Dash, P.K. 2015. Effects of 42-year long-term fertilizer management on soil phosphorus availability, fractionation, adsorption–desorption isotherm and plant uptake in flooded tropical rice. The Crop Journal, http://dx.doi.org/10.1016/j.cj.2015.03.009.
  • Gautam, P., Lal, B., Raja, R., Tripathi, R., Mohammad Shahid, Baij, M.J., Puree, Chandrika, Mohanty, S., Nayak, A.K. 2015. Effect of simulated flash flooding on rice and its recovery after flooding with nutrient management strategies. Ecological Engineering, 77: 250-256
  • Gautam, P., Lal, B., Raja, R., Baig, M.J., Mohanty, S., Tripathi, R., Shahid, M., Bhattacharyya, P., Nayak, A.K. 2015. Effect of nutrient application and water turbidity on submergence tolerance of rice (Oryza sativa L.). Annals of Applied Biology, 166: 90-104.
  • Gautam, P., Lal, B., Nayak, A.K., Bhattacharyya, P., Baig, M.J., Raja, R., Mohammad Shahid, Tripathi, R., Mohanty, S., Panda, B.B., Anjani Kumar. 2015. Application time of nitrogen and phosphorus fertilization mitigates the adverse effect of submergence in rice (Oryza sativa L.). Experimental Agriculture, doi:10.1017/S0014479714000453
  • Lal, B., Panda, B.B., Gautam, P., Raja, R., Singh, T., Mohanty, S., Shahid, M., Tripathi, R., Kumar, A., Nayak, A.K. 2015. Input-output energy analysis of rainfed rice based cropping systems in Eastern India. Agronomy Journal, doi: 10.2134/agronj14.0313.
  • Lal, B., Gautam, P., Mohanty, S., Raja, R., Tripathi, R., Shahid, M., Panda, B.B., Baig, M.J., Rath, L., Bhattacharyya, P., Nayak, A.K. 2015. Combined application of silica and nitrogen alleviates the damage of flooding stress in rice. Crop & Pasture Science, 66: 679-688
  • Bihari, P., Nayak, A.K., Gautam, P., Lal, B., Shahid, M., Raja, R., Tripathi, R., Bhattacharyya, P., Panda, B.B., Mohanty, S., Rao, K.S. 2015. Long term effect of rice based farming systems on soil health. Environmental Monitoring and Assessment, DOI: 10.1007/s 10661-015-4518-2.
  • Nayak, A.K., Raja, R., Rao, K.S., Shukla, A.K., Sangita Mohanty, Mohammad Shahid, Tripathi, R., Panda, B.B., Bhattacharyya, P., Anjani Kumar, Lal, B., Sethi, S.K., Puri, C., Nayak, D., Swain, C.K. 2015. Effect of fly ash application on soil microbial response and heavy metal accumulation in soil and rice plant. Ecotoxicology and Environmental Safety, 114: 257-262
  • Gautam, P., Lal, B., Raja, R., Panda, B.B., Tripathi, R., Shahid, M., Mohanty, S., Maharana, S., Nayak, A.K., 2015. Submergence induced tiller mortality and yield reduction in rice can be minimized through post-submergence nitrogen application. Proceedings of the National Academy of Sciences, India – Section B: Biological Sciences.87 (3):953–963.
  • Raja, R., Nayak, A.K., Rao, K.S., Chandrika Puree, Mohammad Shahid, Panda, B.B., Anjani Kumar, Tripathi, R., Bhattacharyya, P., Baig, M.J., Lal, B., Mohanty, S., Priyanka Gautam. 2014. Effect of fly ash deposition on photosynthesis, growth and yield of rice. Bulletin of Environmental Contamination and Toxicology, 93: 106-112
  • Raja, R., Nayak, A.K., Panda, B.B., Lal, B., Tripathi, R., Mohammad Shahid, Anjani Kumar, Mohanty, S., Samal, P., Priyanka Gautam, Rao, K.S. 2014. Monitoring of meteorological drought and its impact on rice (Oryza sativa L.) productivity in Odisha using standardized precipitation index. Archives of Agronomy and Soil Science, 60 (12): 1701-1715
  • Mishra, V. K., Nayak, A. K., Singh, C. S., Jha, S. K., Tripathi, R., Shahid, M., Raja, R., Sharma, D.K. 2014. Changes in Soil Aggregate-Associated Organic Carbon and Nitrogen after Ten Years under Different Land-Use and Soil-Management Systems in Indo Gangetic Sodic Soil, Communications in Soil Science and Plant Analysis, 45:10, 1293-1304
  • Lal, B., Gautam, P., Raja, R., Nayak, A.K., Shahid, M., Tripathi, R., Bhattacharyya, P., Mohanty, S., Puri, C., Kumar, A., Panda, B.B. 2014. Weed community composition after 43 years of long-term fertilization in tropical rice-rice system. Agriculture, Ecosystem & Environment, 197: 301-308
  • Gautam, P., Nayak, A.K., Lal, B., Bhattacharyya, P., Tripathi, R., Mohammad Shahid, Mohanty, S., Raja, R., Panda, B.B. 2014. Submergence tolerance in relation to application time of nitrogen and phosphorus in rice (Oryza sativa L.). Environmental and Experimental Botany, 99: 159-166
  • Bhattacharyya, P., Roy, K.S., Dash, P.K., Neogi, S., Mohammad Shahid, Nayak, A.K., Raja, R., Karthikeyan, S., Balachandar, D., Rao, K.S. 2014. Effect of elevated carbon dioxide and temperature on phosphorus uptake in tropical flooded rice (Oryza sativa L.). European Journal of Agronomy, 53: 28- 37.
  • Gautam, P., Lal, B., Raja, R., Baig, M.J., Haldar, D., Rath, L., Shahid, M., Tripathi, R., Mohanty, S., Bhattacharyya, P., Nayak, A.K. 2014. Post–flood nitrogen and basal phosphorus management affects survival, metabolic changes and anti-oxidant enzyme activities of submerged rice (Oryza sativa L.). Functional Plant Biology, 41: 1284-1294
  • Lal, B., Gautam, P., Rath, L., Haldar, D., Panda, B.B., Raja, R., Shahid, M., Tripathi, R., Bhattacharyya, P., Mohanty, S., Nayak, A.K. 2014. Effect of nutrient application on growth, metabolic and enzymatic activities of rice seedlings during flooding stress and subsequent re-aeration. Journal of Agronomy and Crop Science, doi:10.1111/jac.12094.
  • Shahid, M., Nayak, A.K., Shukla, A.K., Tripathi, R., Kumar, A., Raja, R., Panda, B.B., Meher, J., Bhattacharyya, P., Dash, D. 2014. Mitigation of Iron Toxicity and Iron, Zinc, and Manganese Nutrition of Wetland Rice Cultivars (Oryza sativa L.) Grown in Iron-Toxic Soil. Clean Soil Air water, 42 (11): 1604-1609.
  • Tripathi R, Nayak AK, Bhattacharyya P, Shukla AK, Shahid M, Raja R, Panda BB, Mohanty S, Kumar A, Thilagam, VK. 2014. Soil aggregation and distribution of carbon and nitrogen in different fractions after 41 years long-term fertilizer experiment in tropical rice–rice system. Geoderma, 213: 280–286
  • Tripathi R, Nayak AK, Raja R, Shahid M, Kumar A, Mohanty S, Panda BB, Lal, B., Gautam, P. 2014. Forecasting rice productivity and production of Odisha, India, using autoregressive integrated moving average models. Advances in Agriculture, 2014, 621313 (doi.org/10.1155/2014/621313).
  • Mohanty S, Nayak AK, Kumar A, Tripathi R, Shahid M, Bhattacharyya P, Raja R, Panda, BB. 2013. Carbon and nitrogen mineralization kinetics in soil of rice-rice system under long term application of chemical fertilizers and farmyard manure. European Journal of Soil Biology, 58: 113-121
  • Nayak, A.K., Anjani Kumar, Raja, R., Rao, K.S., Sangita Mohanty, Mohammad Shahid, Tripathi, R., Panda, B.B., Bhattacharyya, P. 2013. Fly ash addition affects microbial biomass and carbon mineralization in agricultural soils. Bulletin of Environmental Contamination and Toxicology, 92 (2): 160-164
  • Shahid, M., Shukla, A. K., Nayak, A. K., Tripathi, R., Anjani Kumar, Mohanty S., Bhattacharyya, P., Raja, R. and Panda, B.B. 2013. Long-term effects of fertilizer and manure applications on soil quality and yields in a sub-humid tropical rice-rice system. Soil Use and Management, 29(3): 322-332
  • Bhattacharyya, P., Nayak, A. K., Mohanty S., Tripathi, R., Mohammad Shahid, Anjani Kumar, Raja, R., Panda, B. B., Roy, K. S., Neogi, S., Dash, P. K., Shukla, A. K., Rao, K. S. 2013. Greenhouse gas emission in relation to labile soil C, N pools and functional microbial diversity as influenced by 39 years long-term fertilizer management in tropical rice. Soil and Tillage Research, 129: 93-105.
  • Nayak, A.K., Gangwar, B., Shukla, Arvind K., Mazumdar, Sonali P., Anjani Kumar, Raja, R., Anil Kumar, Vinod Kumar, Rai, P.K., Udit Mohan. 2012. Long-term effect of different integrated nutrient management on soil organic carbon and its fractions and sustainability of rice–wheat system in Indo Gangetic Plains of India. Field Crops Research, 127: 129–139
  • Anjani Kumar, Nayak, A.K., Shukla, Arvind K., Panda, B.B., Raja, R., Mohammad Shahid, Rahul Tripathi, Sangita Mohanty, Rath, P.C. 2012. Microbial Biomass and Carbon Mineralization in Agricultural Soils as Affected by Pesticide Addition. Bulletin of Environmental Contamination and Toxicology, 88: 538–542.
  • Nayak, A.K., Damodaran, T., Singh, C.S., Jha, S.K., Raja, R., Mishra, V.K., Sharma, D.K. and Singh, Gurbachan. 2010. Post tsunami changes in soil properties of Andaman Islands, India. Environmental Monitoring and Assessment, 170: 185-193.

National journals

  • Shukla, A.K., Nayak, A.K., Raja, R., Kumar, V. and Sharma, S. 2014. Integrated nutrient management for enhancing system productivity and sustaining soil health in rice based system. Progressive Agriculture, 14(2): 328-335
  • Nayak, A.K., Lal, B., Mohammad Shahid, Panda, B. B., Tripathi, R., Raja, R. and Mohapatra, T. 2013. Fertiliser Best Management Practices in Rice for Higher Productivity. Indian Journal of Fertilisers, 9(4): 54-66.
  • Raja, R., Ravisankar, N., Ghoshal Chaudhuri, S., Ambast, S.K., Subhash Chand, Din, M., Babulal Meena, Subramani, T., Zamir Ahmed. 2012. Effect of supplemental irrigation on yield and water productivity of dry season crops in Andaman and Nicobar Islands. Indian Journal of Agricultural Sciences, 82 (2): 122–126.
  • Raja, R., Ghoshal Chaudhuri, S., Ravisankar, N., Swarnam, T.P., Jayakumar, V. and Srivastava, R.C. 2009. Salinity status of tsunami affected soil and water resources of South Andaman, India. Current Science, 96 (1): 152-156
  • Ghoshal Chaudhuri, S., Dinesh, R., Sheeja, T.E., Raja, R., Jeykumar, V., Srivastava, R.C. 2009. Physico-chemical, biochemical and microbial characteristics of soils of mangroves of the Andamans: A post-tsunami analysis. Current science, 97 (1): 98-102
  • Ganesh Kumar, B., Sendhil, R., Venkatesh, P., Raja, R., Jayakumar, V. and Jeyakumar, S. 2009. Socio-economic impact assessment of livelihood security in agriculture, animal husbandry and aquaculture on the tsunami-hit lands of Andaman. Agricultural Economics Research Review, 22 (Conference Number): 483-494
  • Swarnam, T.P., Velmurugan, A., Ravisankar, N., Raja, R., Ghoshal Chaudhuri, S. and Meena, B. L. 2009. Soil Fertility Classification (FCC) as a tool for sustainable management of soils of Island ecosystem. Journal of the Indian Society of Coastal Agricultural Research 27(2): 1-4
  • Singh, D.R., Srivastava, R.C. and Raja, R. 2009. Morinda citrifolia (Noni) – a viable alternative for tsunami affected agricultural lands. Indian Forester, 135 (11): 1470-1476
  • Ravisankar, N., Raja, R., Din, M., Elanchezhian, R., Swarnam, T.P., Deshmukh, P.S. and Ghoshal Chaudhuri, S. 2008. Influence of varieties and crop establishment methods on production potential, economics and energetic of wet seeded rice (Oryza sativa) under Island ecosystem, Indian Journal of Agricultural Sciences, 78 (9): 807-809
  • Gupta, S.K., Ambast, S.K., Ghoshal Chaudhuri, S., Singh, Gurbachan, Raja, R. and Yaduvanshi, N.P.S. 2008. Water management strategies for increased productivity on tsunami affected salty lands of Andaman and Nicobar Islands. Journal of the Indian Society of Coastal Agricultural Research, 26(2): 135-140
  • Ghoshal Chaudhuri, S., Raja, R. and Srivastava, R.C. 2008. An overview of Natural Resource Degradation in the coastal ecosystem of A&N Islands. Journal of the Indian Society of Coastal Agricultural Research, 26(2): 115-120
  • Ravisankar, N., Chandrasekaran, B., Raja, R., Din, M. and Ghoshal Chaudhuri. S. 2008. Influence of Integrated weed management practices on productivity and profitability of wet seeded Rice (Oryza sativa). Indian Journal of Agronomy, 53(1): 57-61
  • Ravisankar, N., Raja, R., Din, M., Elanchezhian, R. and Ghoshal Chaudhuri, S. 2007. Response of rice varieties and super rice cultures to anaerobic wet seeding in Bay Islands. Indian Journal of Agricultural Sciences, 77 (1): 14 – 17
  • Ravisankar, N., Raja, R., Din, M., Elanchezhian, R. and Ghoshal Chaudhuri, S. 2007. Evaluation of green manure intercropping in wet seeded and transplanted rice under island ecosystem. Oryza, 44 (3): 231 – 233
  • Palanisamy, M., Pandey, R.P., Rasingam, L. and Raja, R. 2007. Sebastiania spengel (Euphorbiaceae) – A new generic record for Andaman Islands, India. Journal of Economic and Taxonomic Botany, 31 (2): 464-465
  • Palanisamy, M., Pandey, R.P., Rasingam, L. and Raja, R. 2007. Spermococe latifolia Aubl (Rubiaceae) – An additional to the flora of Andamans. Journal of Economic and Taxonomic Botany, 31 (2): 472-473
  • Raja, R., Ghoshal chaudhuri, S., Swarnam, T.P., Ravisankar, N., Jayakumar, V. and Sudipta Das. 2006. Impact assessment and rehabilitation strategies for Tsunami affected agricultural lands of Andaman and Nicobar Islands. Journal of the Indian Society of Coastal Agricultural Research, 24 (2): 370 – 374
  • Nalayini, P., Raja, R. and Kumar, A.A. 2006. Evapo-transpiration based scheduling of irrigation through drip for cotton (Gossypium hirsutum). Indian Journal of Agronomy, 51 (3): 232 – 235
  • Ghoshal Chaudhuri, S., Dinesh, R., Raja, R., Ravisankar, N. and Shashi Kumar. 2006. Soil diversity of Andaman and Nicobar Islands. The Indian Forester, 132(7): 779 -784
  • Ghoshal Chaudhuri, S., Dinesh, R., Raja, R., Shashi Kumar and Ravisankar, N. 2005. Physico chemical, bio chemical and microbial characteristics of soils of mangroves of South Andaman: Impacts of anthropogenic disturbances. The Indian Forester, 131(5): 660-666

Book published

  • Raja, R., A. Solaimalai, S. Subbulakshmi, D. Jawahar and V U M Rao. 2012. Length of growing period for Tamil Nadu. Agricultural Research Station, Kovilpatti, Tamil Nadu. p.280 (ISBN: 81-903681-3-3)
  • Bhattacharya, P., Nayak, A.K., Raja, R. and Rao, K.S. (Eds.) (2012). Climate change: Green-house gas emission in rice farming and mitigation options. Central Rice Research Institute, Cuttack, Odisha, India. p.165 (ISBN: 81-88409-12-X)

Book Chapters in Edited Books

  • Meena, B.L., Raja, R., Dotaniya, M.L. and Meena, R.S. 2019. Integrated Nutrient Management for Sustainable Rice-based Cropping Systems and Soil Quality. In: Sustainable Agriculture, Scientific Publishers (India). Pp 1-12.
  • Raja, B.B. Panda and A.K. Nayak (2012). Agro- climatic analysis for understanding climate change and variability. In: Bhattacharya, P., Nayak, A.K., Raja, R. and Rao, K.S. (Eds.). Climate change: Green-house gas emission in rice farming and mitigation options. Central Rice Research Institute, Cuttack, Odisha, India. pp.99-107. (Annexure V-13).
  • A.K. Nayak, R. Raja, Anjani Kumar, Md. Shahid, Rahul Tripathi, Sangita Mohanty, P. Bhattacharya and B.B. Panda (2012). Soil organic carbon sequestration in rice based cropping system in Indo-Gangetic Plains. In: Bhattacharya, P., Nayak, A.K., Raja, R. and Rao, K.S. (Eds.). Climate change: Green-house gas emission in rice farming and mitigation options. Central Rice Research Institute, Cuttack, Odisha, India. pp.63-71.

Research Papers in Seminar/Workshop Proceedings/ Abstracts International

  • Raja, R. and Kanjana, D. 2017. Effect of conservation agriculture practices on soil penetration resistance in irrigated cotton based cropping systems. Poster paper presented and abstracted in: 7th Asian Cotton Research & Development Network Meeting under the theme “Production of quality fibre and doubling cotton farmers’ income” held from 15th to 17th September, 2017 at Hotel Le Meridien, Nagpur, Maharashtra, India
  • Raja, R., Annie Sheeba, Rameash, K. and Rathinavel, K. 2021. Yield enhancement in extra long staple cotton through increased plant density and canopy management. In: Extended Summaries of 5th International Agronomy Congress, The Indian Society of Agronomy, IARI, New Delhi, Vol. 3 pp 1395–1396.

National

  • R Raja, A K Nayak, A K Shukla, K S Rao, B B Panda, Rahul Tripathi, Mohammad Shahid and Anjani Kumar. 2012. Fly ash-fugitive dust deposition rate and soil properties assessment around coal fired thermal power plants in central Odisha. Paper presented in: National symposium on “Rice-based farming systems for livelihood security under changing climate scenario”, College of Agriculture (OUAT), Chiplima, Sambalpur, Odisha. pp.64-65
  • Raja, R. and Kanjana, D. 2017. Adoption of conservation agriculture practices in irrigated cotton based cropping systems. Poster paper presented and abstracted in: XIII Agricultural Science Congress 2017 on “Climate Smart Agriculture- Adaptation to Climate Change: Input use efficiency and precision farming technologies” from 21-24 February, 2017 at UAS, Bengaluru.
  • Raja, R., Kanjana, D., Sankarganesh, K., and Sampath kumar, A. 2019. Production potential of irrigated cotton based cropping systems under conservation agricultural practices in Tamil Nadu. Poster paper presented and abstracted in: XIV Agricultural Science Congress, 20-23 February, 2019, NASC, Pusa, New Delhi, India.

Popular Articles/ Short Notes/ Short Communications

  • Raja, R., Annie Sheeba, Rameash, K., Rathinavel, K. and Prakash, A. H. 2021. Productivity Enhancement in Extra Long Staple Cotton through Agronomic Manipulation. Cotton Innovate 4 (1): 1-2, 2021.
  • Dharajothi, B., Usha Rani, S., Raja, R., Manivannan, A., Annie Sheeba, J. 2017. Pink bollworm Infestation on BG II hybrid. Cotton Innovate, 12 (5): 1-2
  • Priyanka Gautam, Tripathi, R., Lal, B., Raja, R., Shahid, M., Nayak, A.K. 2015. Development of soil fertility map of NRRI farm for available nitrogen and phosphorus. CRRI Newsletter, July – September, 2015, p 14-15
  • Shahid M, Nayak AK, Bhattacharyya P, Tripathi R, Mohanty S, Kumar A, Lal B, Gautam P, Raja R and Panda BB. 2014. Micronutrients (Fe, Mn, Zn & Cu) balance and nutrition under long term application of fertilizer and manure in a tropical rice-rice system. CRRI Newsletter. 35(3): 17
  • Raja, R., Nayak, A.K., Panda, B.B., Lal, B., Tripathi, R., Shahid, M., Kumar, A., Mohanty, S., Samal, P., Gautam, P., Rao, K.S. 2013. CRRI News letter, 34 (2): 13
  • Lal, B., Priyanka Gautam, BB Panda, R Raja. 2013. Boro Rice: A Way to Crop Intensification in Eastern India. Popular Kheti, 1(1): 5-9
  • Nayak, A.K., Mohanty, S., Raja, R., Shahid, M., Lal, B., Tripathi, R., Bhattacharyya, P., Panda, B.B., Gautam, P., Thilagam, V.K., Kumar, A., Meher, J., Rao, K.S. 2013. Customized leaf colour chart for nitrogen management in rice for different ecologies. CRRI News letter, 34 (1): 14
  • A.K. Nayak, B. Lal, R. Tripathi, R. Raja, M. Shahid, P. Gautam, S. Mohanty, P. Bhattacharyya, A. Kumar, B.B. Panda, D.R. Sarangi, S.M. Prasad. 2013. Development of soil nutrient map of Nischintakoilli and Mahanga block of Cuttack District. CRRI News letter, 34 (3): 12
  • Nayak, A.K., Raja, R., Rao, K.S., Panda, B.B. 2013. Fly ash ka chawal utpadan main prayog. Kheti, 1 (1): 28-34 (In Hindi)

Research Bulletin/ Extension Bulletins

  • Raja, R., Panda, B.B., Nayak, A.K., Mohanty, S., Rao, K.S. and Bandyopadhyay, S.K. 2014. Agroclimatic characterization for crop planning in water stress prone areas of Ganjam. ICAR- Central Rice Research Institute, Cuttack-753006, Odisha, India, pp.50
  • Gautam, P., Lal, B., Nayak, A.K., Tripathi, R., Mohammad Shahid, Baig, M.J., Maharana, S., Raja, R., Mohanty, S., Chatterjee, D., Guru, P.K., Panda, B.B., Kumar, U. 2017. Nutrient Management for Enhancing Submergence Tolerance in Rice. NRRI Research Bulletin No.13, ICAR-National Rice Research Institute, Cuttack, Odisha 753006, India. pp 102.
  • Bhattacharyya, P., Nayak, A.K., Din, M., Lal, B., Raja, R., Tripathi, R., Mohanty, S., Shahid, M., Kumar, A., Panda, B.B., Munda, S., Gautam, P. and Mohapatra, T. 2014. Climate-Smart Resource Conservation Technology (CRCT) for lowland Rice Ecologies in Eastern India. CRRI Research Bulletin No.8, Central Rice Research Institute, Cuttack-753006, Odisha, India, pp.28
  • Nayak, A.K., Mohammad Shahid, Raja, R., Lal, B., Gautam, P., Bhattacharyya, P., Kumar, A., Tripathi, R., Mohanty, S.,Panda, B.B., Mohapatra, S. D., Das, K.M. and Shukla, A.K. 2013. Identification and Management of Nutrient Disorders and Diseases in Rice: A Visual Diagnostic Tool. Central Rice Research Institute, Cuttack (India). p.53
  • Raja, R., Ravisankar, N., Ghoshal Chaudhuri, S., Srivastava, R.C., and Palanisamy, M. 2008. Weeds of rice in Andaman and Nicobar Islands. Central Agricultural Research Institute, Port Blair. p.60.
  • Ravisankar, N., Raja, R., Balakrishnan, M., Din, M. and Ghoshal Chaudhuri, S. 2008. Techniques for direct seeding of paddy in Island ecosystem. Central Agricultural Research Institute, Port Blair. p.48.
  • Ghoshal Chaudhuri, S., Dinesh, R., Raja, R., Ravisankar, N. and Srivastava, R.C. 2007. Saline-Acid and Acid Sulphate Soils of Andamans. Central Agricultural Research Institute, Port Blair. p.25.
  • Gupta, S.K., Ambast, S.K., Gurbachan Singh, Yaduvanshi, N.P.S., Ghoshal Chaudhuri, S. and Raja, R. 2006. Technological options for improved agriculture in tsunami affected Andaman & Nicobar Islands and Maldives. Central Soil Salinity Research Institute, Karnal (India). p.88

Talks delivered

  • Delivered an invited online lecture (DNRM – IDP – National Guest Lecture) on “Cotton Cultivation: Advances in Agronomic Management Practices in India” on 10th February, 2021 to the UG and PG students of Horticultural College & Research Institute, Periyakulam, Tamil Nadu
  • Delivered an invited lecture entitled “Climate Resilient Agriculture: Challenges and Options” as resource person in the ICAR – Winter school on “Regional Integrated Assessment of Climate Change on Agriculture” conducted at Directorate of Crop Management, Tamil Nadu Agricultural University, Coimbatore on 30th January, 2020
  • Delivered a lecture on “Water Management for climate smart Agriculture” in the National webinar on ‘Integrated Water Management: A Paradigm shift for Higher Productivity in Agriculture” organized by the Department of Agronomy, Faculty of Agriculture, Annamalai University, Tamil Nadu through online platform on 30th July, 2020
  • Delivered a lecture on “Drip Fertigation in Cotton Crop” and provided practical demonstration to about 40 farmers of Kottampatti, Madurai district who have visited ICAR-CICR Regional Station, Coimbatore under ATMA-SSEPERS 2020 Programme entitled “Intra state level training to farmers on Drip Irrigation” on 19th December, 2020.
  • Delivered a Farm School Lecture entitled “Intercultural & special techniques followed in cotton” for Cotton farmers of the farm school on 10th November, 2020 at Vadaputhur village of Kinathukadavu Block of Coimbatore District under the ATMA – Support to State Extension Programmes for Extension Reforms Scheme organized by Assistant Director of Agriculture, Kinathukadavu block, Coimbatore, Tamil Nadu

International

  • Attended the 7th Asian Cotton Research & Development Network Meeting and presented a poster paper entitled “Effect of conservation agriculture practices on soil penetration resistance in irrigated cotton based cropping systems” held from 15th – 17th September, 2017 at Hotel Le Meridien, Nagpur, Maharashtra, India
  • Attended International symposium on “100 years of rice science and looking beyond” on 9-12 January, 2012 at TNAU, Coimbatore, India
  • Participated in the Third International Agronomy Congress on “Agriculture Diversification, Climate change management and livelihoods” held on 26th – 30th November, 2012 at New Delhi, organized by Indian Society of Agronomy, New Delhi and ICAR, New Delhi
  • Attended the Fifth International Agronomy Congress on “Agri-Innovations to combat food and nutrition challenges” held on 23rd – 27th November, 2021 at Hyderabad, organized by Indian Society of Agronomy, New Delhi and PJTSAU, Hyderabad, Telangana, India.

National

  • Attended brainstorming session on “Fifty years of Cotton Research-lessons Learnt and the way forward” held at ICAR-CICR, RS, Coimbatore as part of Golden jubilee celebration of All India Coordinated Research Project on Cotton on 9-10th November 2016.
  • Attended the XIV Agricultural Science Congress and presented a poster paper entitled “Production Potential of Irrigated Cotton based Cropping Systems under Conservation Agricultural Practices in Tamil Nadu” held at New Delhi from 20th – 23rd February, 2019.
  • Attended the National Workshop on “Best Management Practices for Sustaining Soil Health and Enhancing the Quality Productivity” at ICAR – Sugarcane Breeding Institute, Coimbatore on 29th August 2019 organized by Fertilizer Association of India.
  • Attended one day National Webinar on Abiotic Stress in Agriculture: Geospatial Characterization and Management Options organized by ICAR-National Institute of Abiotic Stress Management, Baramati , Maharashtra on 27th August, 2020
  • Attended one day webinar on “Drone Remote Sensing in Agriculture” organized by Indian Society of Agrophysics & Division of Agricultural Physics, ICAR-Indian Agricultural Research Institute, New Delhi -12 on 9th September, 2020
  • Attended WCRC-7 Cotton Webinar organized by International Cotton Advisory Committee and International Cotton Reasearchers Association on 7th October, 2020
  • Attended WCRC-7 Webinar on “Cotton and Climate Change” organized by International Cotton Advisory Committee and International Cotton Reasearchers Association, Washington DC on 4th November 2020
  • Attended WCRC-7 Cotton Webinar (3rd Edition) organized by International Cotton Advisory Committee and International Cotton Reasearchers Association on 2nd December, 2020
  • Attended 1st Indian Rice Congress – 2020 “Rice Research and Development for Achieving Sustainable Development Goals” organized by Association of Rice Research Workers, Cuttack, Odisha, India (Virtual mode) on 8th – 9th December, 2020
  • Attended the National Knowledge Network (NKN) annual workshop from 31st October to 2nd November, 2012 held at IIT, Bombay, Mumbai.
  • Attended the XI Agricultural Science Congress on ‘Agricultural Education: Reshaping India’s Future” on 7th – 9th February, 2013 at OUAT, Bhubaneswar organized by NAAS, New Delhi and ICAR, New Delhi.
International
  • Decision support system for agro technology transfer, 6-26th August, 2013, Washington State University, Prosser, Washington, USA

National

  • Geo-informatics in agriculture using open-source data and analysis platforms, 1st – 5th March, 2021, Division of Agricultural Physics, Indian Agricultural Research Institute, New Delhi.
  • Remote sensing and GIS applications in agriculture and soils, 4th May – 26th June 2009, Indian Institute of Remote Sensing, NRSC, Dehradun
  • Management options for waterlogged/ excess water situation, 7th – 27th January 2009, Directorate of Water Management, Bhubaneswar
  • Enhancing skills in ICT based DSS for market and agri-business orientation of research and sustaining rural livelihoods, 3rd – 12th November 2008, National Institute for Agricultural Extension Management (MANAGE), Hyderabad
  • 78th Foundation Course for Agricultural Research Service (FOCARS), 10th August – 7th December, 2004, National Academy of Agricultural Research Management (NAARM), Hyderabad
  • Precision farming, 25th Mar – 14th Apr, 2004, Centre of Advanced studies in Agronomy, TNAU, Coimbatore-3
  • Introduction to Arc GIS and working with Arc GIS Spatial Analyst, 24th Nov – 3rd Dec, 2003, NIIT, Chennai

Training Conducted

  • Training programme entitled “Revitalization of tsunami affected farmers – A step towards better tomorrow” was conducted on 21st – 26th Sep, 2006 at ICAR-CARI, Port Blair, A&N Islands
  • Training on “Management practices for improved agriculture in post tsunami scenario” was conducted during 10th – 13th April, 2007 at ICAR-CARI, Port Blair, A&N Islands
  • Four Kisan Melas were organized on 3rd May 2011, 20th November, 2011, 14th December 2012 and 9th December 2013 at CRRI, Cuttack on “Use of fly ash in rice cultivation” each time around 75-100 farmers participated in the Mela

Workshops organized

  • As Course coordinator involved in the organization of the ICAR-Winter School entitled “Entrepreneurship Development and Agribusiness management” held at ICAR – CRRI, Cuttack (Odisha) from 3rd – 23rd December, 2009
  • BEST CRRI-WORKER (Senior Scientist) Award for the year 2014-15 under Senior Scientist category in ICAR-Central Rice Research Institute, Cuttack
  • Secretary, Association of Rice Research Workers (ARRW), Central Rice Research Institute, Cuttack, India for a period of one year (January – December 2015)
  • Member of Institute Management Committee of ICAR-Central Research Institute for Jute & Allied Fibres, Barrackpoer (07/03/2016 to 06/03/2019)
  • Best Poster Paper Award for the paper entitled “Effect of spatio-temporal variability in meteorological drought at block level rice productivity in Eastern Indian state of Odisha”. In: ARRW Golden Jubilee International Symposium held on March 2-5, 2013 at CRRI, Cuttack, organized by Association of Rice Research Workers, Cuttack, Odisha
  • Best Poster Paper Award for the paper entitled “Impact of tsunami on soil and water resources of Andaman and Nicobar Islands”. In: 10th Inter-Regional Conference on Water and Environment (Envirowat 2007) held during 17th – 20th October, 2007 at IARI, New Delhi
  • Recipient of ACIAR Senior Research Fellowship during Ph. D
  • Recipient of ICAR Junior Research Fellowship during M. Sc. (Ag.)
  • Deputed to International Tsunami Response Centre (ITRC), Colombo, Sri Lanka from 15th March’06 to 15th June’06 by Ministry of Agriculture, GOI as member of Inter-Institutional multi disciplinary team to provide consultancy services for the tsunami affected areas of A&N Islands & Maldives. As part of it, visited Sri Lanka for presentation and took part in the deliberations and interacted with the ITRC officials.
Updated Date : Sunday, April 28, 2024
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