Dr. Gopal Ramdas Mahajan

Scientist (Soil Sciences)

 

                                                                                           

                                                                Address: G-9, Natural Resource Management,

                                                                ICAR - CCARI,               

                                                                Old Goa 403 402

                                                                Phone: 832-2284678 Ext. 109

                                                                Fax: 0832-2285649

                                                                Email: gopal.mahajan@icar.gov.in, gopal.soil@gmail.com

                                                                           

 

 

Academic background:

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 :

  1. Coastal soil salinity and its management for crop production.

  2. Soil and water conservation and carbon sequestration

Outreach and Extension

Memberships of professional societies

  1. Indian Society of Soil Science, New Delhi, India

  2. Association of Coastal Agricultural Research, ICAR RC, Goa, India

  3. Indian Science Congress Association, Kolkata, India.

Awards and honours

 

  1. International Plant Nutrition Institute's (IPNI) 2015 photo contest for crop nutrient deficiency symptoms - Second prize in potassium category – Potassium deficiency in groundnut.

  2. BC Fertilis Nutrient Deficiency Photo contest 2014 – Fifth award in the Photo contest symptoms of nutrient deficiencies and excess in agricultural crops 2014

  3. International Plant Nutrition Institute's (IPNI) 2013 photo contest for crop nutrient deficiency symptoms - Second prize in nitrogen category – Nitrogen deficiency in rice.

  4. ICAR Jawaharlal Nehru Award for Postgraduate Outstanding Doctoral Thesis Research in Agricultural and Allied Sciences 2013 by Indian Council of Agricultural Research, New Delhi

  5. 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.

  6. Dr. S. P. Raychaudhari Gold Medal 2012-13 by Delhi Chapter of Indian Society of Soil Science, New Delhi.

  7. International Plant Nutrition Institute Scholar Award – 2011 by International Plant Nutrition Institute, Georgia, USA.

  8. Student’s scholarship for attending the 5th International Nitrogen Conference - 2010, New Delhi, India.

Research publications

Journals

  • Mahajan GR, Pandey RN, Sahoo RN, Gupta VK, Datta SC, Dinesh Kumar (2016). Monitoring nitrogen, phosphorus and sulphur in hybrid rice (Oryza sativa L.) using hyperspectral remote sensing. Precision Agriculture. DOI: 10.1007/s11119-016-9485-2.

  • Mahajan GR, Manjunath BL, Singh NP, Ramesh R, Verma RR, Latare AM, Ruenna D’Souza, Barnes Natasha, Kulkarni R (2016). Effect of organic and inorganic sources of nutrients on soil microbial activity and soil organic carbon build up under rice in west coast of India. Archives of Agronomy and Soil Science. DOI: 10.1080/03650340.2016.1213813.

  • Manjunath, BL, Mahajan GR, R Ramesh, NP Singh (2016) Effect of improved nutrient management on grain yield of rice (Oryza sativa L.,) and soil health under organic management. Indian Journal of Agronomy, 61 (1): 20-27 (in press).

  • Mahajan GR, Manjunath BL, Latare AM, D'Souza R, Vishwakarma S, Singh NP (2015) Spatial and temporal variability in microbial activities of coastal acid saline soils of Goa, India, Solid Earth Discussions. 7: 3087-3115, DOI:10.5194/sed-7-3087-2015.

  • 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 Agriculture15(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.

Others

  • 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.