• Research Papers

   

  Ajaykumar, R., Murali Krishnasamy, S., Dhanapal, R., Ramkumar, G., Megaladevi, P., Manjubala, M., & Harishankar, K. (2023). Mitigation of Abiotic and Biotic Stress Using Plant Growth Regulators in Rice. Agronomy, 13(9), 2226.

   

  Ajaykumar, R., Selvakumar, S., Harishankar, K., & Sivasabari, K. (2022). Effect of pink-pigmented facultative methylotrophs, PGRs and Nutrients on Growth, Yield and Economics of Irrigated Blackgram [Vigna mungo (L.) Hepper]. Legume Research: An International Journal, 45(1).

   

  Ajaykumar, R., Balamurali, B., Sivasabari, K., & Vigneshwaran, R. (2025). Spiritual farming: A tool for a sustainable agriculture revolution: A review. Agricultural Reviews, 46(1), 123-127.

   

  Ajaykumar, R., & Krishnasamy, S. M. (2019). Impact of growth regulating compounds on leaf area index in transplanted rice under moisture stress condition. International Journal of Farm Sciences, 9(1), 20-23.

   

  Ajaykumar, R., & Thavaprakaash, N. (2020). Chemical Properties, Microbial Biomass and Enzyme Dynamics of Post-Harvest Soil on Transplanted Rice with Effect of Organic Amendments. Chemical Science International Journal, 29(9), 52-60.

   

  Ajaykumar, R., & Sivakumar, S. D. (2020). Effect of integrated nutrient management on growth, physiological, nutrient uptake, root and yield parameters of transplanted lowland rice. Current Journal of Applied Science and Technology, 39(40), 35-43.

   

  Shankar, S. V., Ajaykumar, R., Prabhakaran, P., Kumaraperumal, R., & Guna, M. (2022). Modelling of tea mosquito bug (Helopeltis theivora) incidence on neem tree: A zero inflated count data analysis. Journal of Agrometeorology, 24(4), 409-416.

   

  Rangasami, S. S., Purnima, M., Pushpam, R., Ajaykumar, R., Thirunavukkarasu, M., Sathiya, K. & Yazhini, G. (2024). Enhancing animal nutritional security through biofortification in forage crops: A comprehensive review. Indian Journal of Animal Research, 58(11), 1838-1845.

   

  Ilakiya, T., Parameswari, E., Swarnapriya, R., Yazhini, G., Kalaiselvi, P., Davamani, V. & Ajaykumar, R. (2024). Unlocking the Carbon Sequestration Potential of Horticultural Crops. C, 10(3), 65.

   

  Ajaykumar, R., Sivasabari, K., Vigneshwaran, R., & Kumaresan, P. (2025). Weedy rice (Oryza sativa f. spontanea) complexes on direct seeded rice (dsr) and its management strategy: A review. Agricultural Reviews, 46(1), 62-69.

   

   

  Popular articles

   

  R.Ajaykumar & K.Sivasabari Health and nutritional benefits of red rice. April, 2020, Kisan World

   

  Ajaykumar R. N. Thavaprakash & P. Devasenapathy. 2017. Integrated weed management in rice. Naveena Velanmai

   

  R.Ajaykumar & K.Sivasabari Duck rearing as a component of integrated farming system May, 2021, Reader shelf

   

  R. Ajaykumar and P. Prabakaran. September, 2021. A Yellow gift from Nature – Maize corn as food grain for human wellness. Agrobios Newsletter

   

  Prabakaran, P & R. Ajaykumar. 2020. Integrated Farming System for Sustainable Agroforestry. Society of American Foresters

   

  K. Sivasabari & Ajaykumar, R. 2020. Soil Resilience: To Mitigate Degraded Soils. Biotica

  Research Today

   

  Book Chapter

   

  R. Ajaykumar and K. Sivasabari. Soil Fertility Management for Sustainable Soil Health and  Crop Productivity. Current research in soil fertility. Akinik Publications .      New Delhi. (978-93-90420-34-6).

   

  R. Ajaykumar and P. Balasubramanian. Modern Irrigation Technology- An Evergreen Revolution for Future Generation. Agriculture Development and Economic Transformation in Global Scenario. Mahima Research Foundation and Social Welfare, BHU, UP. (978-81-943375-3-9)

   

  D. Udhayanandhini, E. Somasundram  ,         R. Ajaykumar. Organic packages for seed production. Advances in seed production and management. Springer. (978911541971).

   

  Books

   

  P. Balasubramanian, C.R. Chinnamuthu, D. Kaiser lourdsamy, R.C. Prasanth, S. Thirumaeninathan, R.Ajaykumar, H.A. Archana. Agronomy Gateway. Astral International Private Limited, New Delhi, 978-93-512488-9-7.

   

   

• Obtained Top Ten Rank Holder Scholarship for higher mark in higher secondary education during
  the year of 2009-2013

•                          Best paper award, 2018– 4th Agricultural Scientific Tamil Society (SCITSA), Tamil Nadu Dr.
          J. Jayalalitha Fisheries University,Vaniyanchavadi, Chennai.

•   Best Poster presentation award, 2018 – National seminar on Abiotic stress management challenges and opportunities Department of Crop Physiology, Tamil Nadu Agricultural University, Coimbatore.  .

• National Conference on   Reinvigorating agricultural  innovations for farmers empowerment and development. May 3- 4^th,
  2015. G.K.V.K Society. Hyderabad

• National seminar on    nanotechnology for evergreen revolution. October 5^th  & 6^th, 2017. Dept of NS &T, TNAU and Sun agro biotech research                      centre. Coimbatore Tamil Nadu 

• 4^th Agricultural Scientific Tamil Society(SCITSA), November 19-20, 2018, Tamil Nadu Dr. J. Jayalalitha
  Fisheries  University. Vaniyanchavadi, Chennai. 

• National  seminar on  Abiotic Stress Management: Challenges and  Opportunities October 25- 26, 2018. Department of Crop

• Physiology, TNAU. Coimbatore,  Tamil Nadu

• National symposium on  perspective of agricultural engineering in nation building – AET „17. December 22, 2017

   

   Agricultural  Engineering college and Research Institute, TNAU Kumulur, Trichy, Tamil Nadu.

•  

  National Agronomy Congress on          Redesigning Agronomy for NatureConservation and Economic Empowerment. February 20- 22,2018. GBPUA & T. Pantnagar, India

• National seminaron Enterprising             mushroom technology. March 16^th,2017. Dept of Plant Pathology, TNAU. Coimbatore Tamil
  Nadu

• National congress on newchallenges and advances in sustainable micro irrigation. March 1^st – 03, 2017. Water Technology Centre,
  TNAU. Coimbatore 

• International conference on Emerging synergies in Agriculture, Food Processing Engineering and Biotechnology‟ February 21– 23, 2018.  School of Agriculture and Bio science, Karunya Institute of Technology and Sciences. Coimbatore, Tamil Nadu

   

• Assistant Professor at SRS Institute of Agriculture and Technology, Dindigul (2026 and continuing).
• Assistant Professor at Vanavarayar institute of Agriculture , Pollachi (2019 – 2025).
• Senior Research Fellow (SRF) AICRP-IFS, Department of Agronomy,TNAU,Coimbatore (2018-2019)

Indian Society of Agronomy (ISA)

Indian Society of Weed Science (ISWS)

Society for Advancement of Human and Nature (SADHNA)

Uzhavarin Valarum Velanmai, TNAU, Coimbatore

Agricultural Scientific Tamil society, New Delhi