Scientist (Soil Sciences)
Address: G-9, Natural Resource Management,
ICAR - CCARI,
Old Goa 403 402
Phone: 832-2284678 Ext. 109
Ph. D. from Indian Agricultural Research Institute, New Delhi, 2012
M.Sc., Agri. from Banaras Hindu University, Varanasi, Uttar Pradesh, 2009
B.Sc., Agri., from Mahatma Phule Krishi Veidyapeeth, Rahuri, Maharashtra, 2007
Research interests and current focus
Research interest: Soil fertility and plant nutrition and management of salt affected soils
Current focus :
Coastal soil salinity and its management for crop production.
Soil and water conservation and carbon sequestration
Outreach and Extension
Development of e-resources for nutrient management in different crops of Goa. An online programme to get soil health status at a village level and fertilizer recommendations has been developed –STFR Goa. Link to visit webpage: http://www.ccari.res.in/soilgoa/index.php
Developed a mobile (android) app for making soil test based fertilizer recommendations for different crops irrespective of area – Fertilizer calculator. https://play.google.com/store/apps/details?id=in.res.ccari.fertilizercalculator&hl=en .
Developed a mobile (android) app for making soil test based fertilizer recommendations for important crops of Goa – Fertilizer calculator Goa. Link to download: https://play.google.com/store/apps/details?id=in.res.ccari.fertilizerrec.goa&hl=en.
Visit to the farmers field to attend the problems related to nutrient management and advice to the farmers accordingly.
Conducting training programmes on soil testing and soil test based nutrient management in different crops.
Memberships of professional societies
Indian Society of Soil Science, New Delhi, India
Association of Coastal Agricultural Research, ICAR RC, Goa, India
Indian Science Congress Association, Kolkata, India.
Awards and honours
International Plant Nutrition Institute's (IPNI) 2015 photo contest for crop nutrient deficiency symptoms - Second prize in potassium category – Potassium deficiency in groundnut.
BC Fertilis Nutrient Deficiency Photo contest 2014 – Fifth award in the Photo contest symptoms of nutrient deficiencies and excess in agricultural crops 2014
International Plant Nutrition Institute's (IPNI) 2013 photo contest for crop nutrient deficiency symptoms - Second prize in nitrogen category – Nitrogen deficiency in rice.
ICAR Jawaharlal Nehru Award for Postgraduate Outstanding Doctoral Thesis Research in Agricultural and Allied Sciences 2013 by Indian Council of Agricultural Research, New Delhi
ISSS Best Doctoral Research Presentation Award 2013 during 78th Annual Convention of Indian Society of Soil Science during 23rd-27th, October, 2013 held at CAZRI, Jodhpur.
Dr. S. P. Raychaudhari Gold Medal 2012-13 by Delhi Chapter of Indian Society of Soil Science, New Delhi.
International Plant Nutrition Institute Scholar Award – 2011 by International Plant Nutrition Institute, Georgia, USA.
Student’s scholarship for attending the 5th International Nitrogen Conference - 2010, New Delhi, India.
Mahajan GR, Manjunath BL, Latare AM, Ruenna D’Souza, Shashi Vishwakarma, N. P. Singh (2015) Fertility Status of the Unique Coastal Acid Saline Soils of Goa. Journal of the Indian Society of Soil Science. 63(2): 232-237.
Mahajan GR, Manjunath BL, Latare AM, Ruenna D’Souza, Shashi Vishwakarma, N. P. Singh (2015) Microbial and Enzyme Activities and Carbon Stock in Unique Coastal Acid Saline Soils of Goa. Proceeding of National Academy of Sciences India, Section B Biological Sciences, (Online published). DOI 10.1007/s40011-015-0552-7.
Mahajan GR, Sahoo RN, Pandey RN, Gupta VK, Dinesh Kumar (2014). Using hyperspectral remote sensing techniques to monitor nitrogen, phosphorus, sulphur and potassium in wheat (Triticum aestivum L.). Precision Agriculture, 15(2): 227-240.
Mahajan GR, Pandey RN, Datta SC, Dinesh Kumar, Sahoo RN, Rajender Parsad (2014). Fertilizer nitrogen, phosphorus and sulphur prescription for aromatic hybrid rice (Oryza sativa L.) using targeted yield approach. Proceedings of National Academy of Sciences of India, Section B Biological Sciences, 84(3): 537-547.
Mahajan GR, Pandey RN, Dinesh Kumar, S. C. Datta, R. N. Sahoo, Rajender Parsad (2014) Development of critical values for the leaf color chart, SPAD and Fieldscout CM 1000 for fixed time adjustable nitrogen management in aromatic hybrid rice (Oryza sativa L.). Communications in Soil Science and Plant Analysis 45:14, 1877-1893.
Mahajan GR, Pandey RN, Datta SC, Dinesh Kumar, Sahoo RN, Rajender Parsad (2013). Soil Test Based Fertilizer Recommendation of Nitrogen, Phosphorus and Sulphur in Wheat (Triticum aestivum L.) in an Alluvial Soil. International Journal of Agriculture, Environment & Biotechnology, 6(2): 271-281.
Ramesh R, Manjunath BL, Maruthadurai R, Mahajan GR and Singh NP (2013). Water melon production Guidelines - Extension Folder No. 64/ 2013. ICAR Research Complex for Goa, Old Goa.
Ramesh R, Manjunath BL, Maruthadurai R, Mahajan GR and Singh NP (2013). Cowpea production Guidelines - Extension Folder No. 65/ 2013. ICAR Research Complex for Goa, Old Goa.
Manjunath BL, Mahajan GR, Singh NP (2013). Lecture notes of Short course on “Integrated Farming System Research for Improved Livelihood Option of Small and Marginal Farmers”. ICAR Research Complex for Goa, Old Goa – 403402, Goa, India.