AAU

Academic Background

Education & Career Milestones

Educational Qualifications

B. Sc. (Agri)

1988

Assam Agricultural University, Jorhat, Assam

M. Sc. (Agri)

1990

Assam Agricultural University, Jorhat, Assam

Specialization: Soil Science

Ph. D.

1999

CCS Haryana Agricultural University, Hissar, Haryana

Specialization: Soil Chemistry

Employment History

Junior Scientist (Soil)

14-12-1990 – 11-04-1995

Assam Agricultural University

RARS, Shillongani, Nagaon

Ph. D. Scholar

18-04-1995 – 07-11-1999

CCS, Haryana Agricultural University

Hisar, Haryana

Assistant Professor

08-03-1999 – 22-06-1999

Assam Agricultural University

Department of Soil Science, Jorhat

Associate Professor

23-06-1999 – 22-07-2007

Assam Agricultural University

Department of Soil Science, Jorhat

Professor

11-09-2007 – Till date

Assam Agricultural University

Department of Soil Science, Jorhat

Research & Scholarship

Scholarly Publications 89 Total Records

Nilim Kalita; Nilay Borah; Samiran Dutta; Kulendra Nath Das; Bhabesh Gogoi (2026). Assessment of Soil Erodability under Different Land Use System in the Hill Regions of Assam, India, Journal of Soil and Water Conservation, India, 25(1), 9–14 DOI: 10.5958/2455-7145.2026.00002.7

Muruganantham Laxmanarayanan; Anjali Basumaraty; Ramasamy Ramesh; S Ajith; Kulendra Nath Das; Prakash Kalita; Sabyasachi Majumdar (2026). Iron Toxicity Mitigation in Lowland Rice Using Rice Husk and Bamboo Biochar Under Contrasting Moisture Regimes - Insights from Adsorption and Pot Experiments, Journal of Soil Science and Plant Nutrition, 26(3), 61–67 DOI: https://doi.org/10.1007/s42729-026-03061-7

Nilim Kalita; Samiran Dutta; D J Nath; B Gogoi; Kulendra Nath Das (2025). Land Use Effects on Soil Biological Properties in the Hill Ecosystems of Assam, Eastern Himalayan Region of India, Environment and Ecology, 43(3), 771–779 DOI: https://doi.org/10.60151/envec/NFGC8390

Ramijur Rahman; Kulendra Nath Das (2025). Biochar: Can It Function as an Effective Detoxifier for Polluted Soils?, Eurasian Soil Science, 58(0), 142–154 DOI: 10.1134/S1064229325600757

Sabina Ahmed; Kulendra Nath Das; Arup Kumar Deka; Binoy Kumar Medhi; Rupjyoti Borah; Boishali Dutta (2025). Synthesis and Characterization of potassium nanofertilizer from vermiwash, International Journal of Advanced Biochemistry Research, 9(4), 261–264 DOI: https://www.doi.org/10.33545/26174693.2025.v9.i4d.

Anjan K Sarmah; J K Choudhary; J Deka; K Pathak; K N Das; P Kalita (2024). Effects of organic nutrient management on aromatic rice (Oryza sativa)-Linseed (Linum usitatishimum) sequence, Indian Journal of Agricultural Sciences, 94(3), 313–317 DOI: https://doi.org/10.56093/ijas.v94i3.138104

Ashok S Dambale; J Goswami; K K Sharma; K Kurmi; K N Das; R Das (2024). Qualitative assessment of Black Rice under an organic ecosystem of North East India, International Journal of Research in Agronomy, 7(3), 681–689 DOI: https://doi.org/10.33545/2618060x2024

Nilim Kalita; Samiran Dutta; KULENDRA NATH DAS; Khagen Kurmui; Dilip Kr Patgiri (2023). Impact of different land uses on soil organic carbon stock in Karbi Anglong district of Assam, India, Journal of Soil and Water Conservation, 22(1), 15–22 DOI: 10.5958/2455-7145.2003.00003.6

Subhra Parija; Kulendra Nath Das; Meghna Sarkar (2023). Point of Zero Charge of Soils - It’s Dynamics under Fertilizer Management Practices and Nutrient Availability, International Journal of Plant & Soil Science , 35(19), 2170–2185 DOI: DOI: 10.9734/IJPSS/2023/v35i193769

Abreeta Kalita; Kulendra Nath Das; Mukul Chandra Kalita; Sukritee Hazarika (2023). Characterization of Rice Growing Soils of Lower Brahmaputra Valley Zone (LBVZ) of Assam, India, International Journal of Plant & Soil Science , 35(17), 69–82 DOI: DOI: 10.9734/IJPSS/2023/v35i173185

Ashok S Dambale; Jogesh Goswami; K K Sharma; K Kurmi; K N Das; R Das (2023). Effect of different K management practices on growth and yield parameters of black rice (Oryza sativa L.) under system of rice intensification, The Pharma Innovation Journal , 12(7), 139–148

Danish Tamuli; K N Das (2023). Rainfed Rice Genotypes Adaptability to Excess Iron Stress in Hydroponic Culture, Indian Journal of Agricultural Sciences , 35(18), 689–695 DOI: DOI: 10.9734/IJPSS/2023/v35i183335

Manoharmayum Monica Devi; Devajit Bhattacharyya; Kulendra Nath Das; Keisham Dony Devi (2023). Distribution Study of the Different Forms of Soil Acidity and Available Nutrients in Upper Brahmaputra Valley Zone (UBVZ) of Assam, International Journal of Plant & Soil Science , 35(18), 634–643 DOI: DOI: 10.9734/IJPSS/2023/v35i183328

M M Devi; Devajit Bhattacharyya; K N Das; D K Patgiri; K Kurmi; H Saikia; K D Devi (2023). Dynamics of Acidity Component of the Soils as Influenced by Liming in Upper Brahmaputra Valley Zone of Assam, India, Ecology, Environment & Conservation 29 (April Suppl. Issue) : 2023; pp. (S131-S136), 29(0), 0–0 DOI: http://doi.org/10.53550/EEC.2023.v29i02s.025

ANJAN K Sarma; J K Choudhary; J Deka; K Pathak; K N Das; P Kalita (2023). Productivity and Profitability of rainfed relay linseed as influenced by residual effects of organic nutrient management in aromatic rice varieties, Biological Forum-An International Journal, 15(5), 558–562

Jatiprasad Barala; Anjali Basumatary; Ingudam Bhupenchandra; Samiran Dutta; KULENDRA NATH DAS; Laishram Kanta Singh (2022). Profile distribution of trace elements under different land-use systems in North East India, Archives of Agronomy and Soil Science, 69(10), 1765–1780 DOI: https://doi.org/10.1080/03650340.2022.2111417

Anjan K Sarmah; J K Choudhary; J Deka; K N Das; P Kalita; N T Rafique; S Kalita; K Pathak; R Dutta; B Gogoi (2022). Yield and quality of aromatic rice (Oryza sativa L) as influenced by organic nutrient management in rainfed condition of Assam, Ama, Agricultural Mechanization in Asia, Africa & Latin America, 53(8), 9345–9354

K N Das (2021). Assessment of heavy metal status and identification of source in soils under intensive vegetable growing areas of Brahmaputra valley, North East India,, Environ Monit Assess, 193(0), 376–380 DOI: https://doi.org/10.1007/s10661-021-09168-x

Anjali Basumatary; Shweta Chauhan; Ingudam Bhupendra; Kulen N Das; Dhruba Jyoti Ozah (2021). Impact of sulfur and boron fertilization on yield, quality of crop and nutrient use efficiencies in rapeseed in subtropical acidic soil of Assam, India,, Journal of Plant Nutrition , 44(12), 1779–1793 DOI: DOI: 10.1080/01904167.2021.1884708

Momin Doley; K N Das; B K Medhi; A Basumatary; Lolesh Pegu (2021). Study on Integrated Effect of Inorganic Fertilizers and Organic Manure on Available Nutrients, Yield and Nutrient Uptake in Scented Rice, International Journal of Plant & Soil Science, 33(22), 296–308 DOI: DOI: 10.9734/IJPSS/2021/v33i2230708

Kasturi Goswami; Kulendra Nath Das; Debojit Bhattacharyya; Binay Kumar Medhi; Jyanta Deka; Rajib Lochan Deka (2020). Effect of Crude Oil Spillage on Chemical Properties of Soils of Moran and Duliajan Oil Fields of Assam, International Journal of Agriculture, Environment and Biotechnology, 13(2), 253–260 DOI: 10.30954/0974-1712.02.2020.21

Bikram Borkotoki; K. N. Das; Anjali Basumatary; Prabal Saikia (2019). Effect of soil test crop response (stcr) fertilizer prescriptions combined with integrated plant nutrient supply (ipns) on performance of normal and late sown toria,, J. Soils and Crops , 29(2), 391–395

Milon Jyoti Konwar; M.K. Sarmah; K. N. Das; Lolesh Pegu; Syed Wasifur Rahman; Shyamal Kumar Phukon (2018). Performance of direct seeded salirice as influenced by sowing dates, sowing methods and nutrient management practices., Agric. Sci. Digest., 38(1), 40–43

Namrata Kashyap; K. N. Das; Bipul Deka; Marami Dutta (2018). Soil Test Based Fertilizer Prescriptions under Integrated Plant Nutrient Supply for Hybrid Rice (cv. US – 382) in Alluvial Soils of Jorhat District of Assam, India, Int.J.Curr.Microbiol.App.Sci , 7(5), 3570–3576 DOI: DOI: https://doi.org/10.20546/ijcmas.2018.705.412

Namrata Kashyap; K. N. Das; Bipul Deka; Marami Dutta; Anjali Basumatary (2018). Individual and combined effect of phosphorus and potassium on yield and nutrient uptake of hybrid rice (Oryza sativa) under IPNS in an alluvial soil of Assam, Annals of Plant and Soil Research , 20(2), 109–115

Prakshipta Boruah; A. Sarma; K. N. Das (2018). Water Saving Strategy in Rice by Alternate Wetting and Drying Technology., Int.J.Curr.Microbiol.App.Sci. , 7(3), 1333–1340 DOI: doi: https://doi.org/10.20546/ijcmas.2018.703.159

A. Basumatary; J.J. Shangne; K. N. Das; D.hattacharyya (2018). Impact of sulfur fertilization on distribution of sulfur fractions and use efficiency in blackgram in subtropical acidic soil of Assam, India, Journal of Plant Nutrition , 41(11), 1436–1443 DOI: DOI: 10.1080/01904167.2018.1457683

Basumatary; A.; J.J. Shange; D. Bhattacharyya; K. N. Das; G.G. Kandali (2017). Sulphur fertilization for increased yield of black gram and soil fertility in an Inceptisols of Assam,, Annals of Plant and Soil Research , 19(4), 350–354

Seema Bhagowati; K. N. Das (2016). Phosphorus fractions in soils of a transect of Kohora watershed of Assam., Asian Journal of Chemistry28:9, 2009-2012 , 28(9), 2009–2012 DOI: DOI:10.14233/ajchem.2016.19868

K. N. Das; A. Basumatary; Sabina Ahmed. (2016). Targeted Yield Precision Model Assessment for Rice-Rice Crop Sequence on Farmers' Fields under Humid, Sub-tropical North Eastern India., Journal of Soil Science and Plant Nutrition, 16(1), 37–41 DOI: doi.org/10.4067/S0718-95162016005000003

K. N. Das; D. K. Patgiri; Kaushik Das; A. Basumatari; A. Sharma (2016). Direct and residual effects of fly ash based integrated fertilization on rice (Oryza sativa L.) and rapeseed (Brassica camprestrisL.)., Communications in Soil Science and Plant Analysis , 47(6), 679–691 DOI: DOI:10.1080/00103624.2016.1146743

K. N. Das; Seema Bhagawati. (2016). Sorption-Desorption of Phosphate as a Function of Acid Soils Toposequence., Asian Journal of Chemistry, 28(10), 2111–2121 DOI: DOI:10.14233/ajchem.2016.19883

K. N. Das; Seema Bhagowati (2016). Phosphorus Forms and Sorption Characteristics in Soils of a Transect of Kohora Watershed of Assam., International Journal of Current Research , 8(11), 41571–41579

BabitaTamuli; D. Bhattacharyya; N.G. Borua; A. Basumatary; K. N. Das; K. Kurmi (2016). Kinetics of Boron Adsorption in Soils of Assam,, Asian Journal of Chemistry, 29(2), 313–316 DOI: https://doi.org/10.14233/ajchem.2017.20176

Konwar MilonJyoti; M. K. Sarmah; K. N. Das.; Lolesh Pegu; Wasifur Rahman; Bhoirab Gogoi (2016). Impact of Available N, P2O5 and K2O on Soil Due to Different Management Practices after Growing SaliRice., International Journal of Agriculture Sciences, 59(8), 3306–3309

Sabina Ahmed; A. Basumatary; K. N. Das; B. K. Medhi (2015). Targeted yield based fertilizer prescription for autumn rice (Oryza sativa L.) in inceptisols of Assam,, Indian J. Agric. Res., 40(5), 437–441 DOI: DOI: 10.18805/ijare.v49i5.5807

Bedanta Kumar Das; Kulendra Nath Das (2015). Adsorption - Desorption of Zinc as Influenced by Fly Ash in Inceptisols ofAssam., Communications in Soil Science and Plant Analysis. , 47(6), 679–691 DOI: DOI: 10.1080/00103624.2015.1011748

K. N. Das; A. Basumatary; Sabina Ahmed (2015). Effect of phosphorus and potassium on yield and nutrient uptake of rice under IPNS in an Inceptisol of Assam., Annals of Plant and Soil Research, 17(1), 13–18

K. N. Das; D. K. Patgiri; A. Basumatary; K. Das; A. Sharma; Bedanta Das (2015). Effect of Fly Ash on Soil Properties and Rice Productivity in an Inceptisol of Assam., Journal of the Indian Society of Soil Science, 63(1), 100–106 DOI: DOI: 10.5958/0974-0228.2015.00014.6

A. Basumatary; S. Ahmed; K. N. Das (2015). Soil Test based Fertilizer Prescriptions under Integrated Plant Nutrition System for Rice-Rice Cropping Sequence in Inceptisols of Assam., Journal of the Indian Society of Soil Science, 63(2), 186–190 DOI: DOI: 10.5958/0974-0228.2015.00024.9

Sabina Ahmed; A. Basumatary; K. N. Das; B. K. Medhi; A. K. Srivastava (2014). Effect of integrated nutrient management on yield, nutrient uptake and soil fertility in autumn rice in an Inceptisol of Assam,, Annals of Plant and Soil Research , 16(3), 192–197

Bikram Borkotoki; A. K. Agnihotri; K. N. Das (2014). Kinetics of carbon mineralization in mollisols under bentonite and no bentonite systems under varying moisture regimes, Annals of Plant and Soil Research, 16(3), 203–210

K. N. Das; A. Basumatary; Bikram Borkotoki (2012). Forms of Sulphur in Some Rapeseed Growing Soils of Assam,, Journal of the Indian Society of Soil Science, 60(1), 13–19

A. Basumatary; K. N. Das (2012). Forms of sulphur and their relationship with soil properties in some soils of North Bank Plain zone of Assam., Agropedology, 22(1), 43–49

K. N. Das; A. Basumatary; Bikram Borkotoki (2011). Interrelationship between Forms of Sulphur, Its Availability Indices and Soil Properties in Entisols of Assam., Journal of the Indian Society of Soil Science 59(2):134-140, 59(2), 134–140

A; Basumatary; K. N. Das; Bikram Borkotoki (2010). Interrelationships of Sulphur with Soil Properties and Its Availability Index in Some Rapeseed Growing Inceptisols of Assam., Journal of the Indian Society of Soil Science, 58(4), 394–403

Bikram Borkotoki; A.K. Agnihotri; K. N. Das; Dipankar Kalita; P.C. Deka (2010). Artificial Neural Network (ANN) Modeling of Carbon and Nitrogen Mineralization., International Journal of Tropical Agriculture , 28(1), 277–281

K. N. Das; A. Basumatary; Bikram Borkotoki (2009). Sulphur Status in Some Rapeseed Growing Alfisols of Assam., International Journal of Tropical Agriculture,27(1-2):605-614, 27(1), 605–614

Bikram Borkotoki; K. N. Das (2008). Forms of sulphur and their relationship with soil properties in Entisols, Inceptisols and Alfisols of Assam., Journal of the Indian Society of Soil Science, 56(2), 24–30

Bikram Borkotoki; K. N. Das (2007). Sulphate sorption and buffering capacity in soils of Assam., Journal of the Indian Society of Soil Science, 55(5), 127–133

K. N. Das; Seema Bhagowati; K. Borkakati (2007). Effect of properties on Phosphate Sorption Behaviour in Soils of Transect of Kohora Watershed of Assam,, International Journal of Tropical Agriculture, 25(3), 763–771

K. N. Das; K. Borkakati; S. Sharma (2006). Distribution of Micronutrient Cation Fractions in Soils as Influenced by Different Cropping Systems., . International Journal of Tropical Agriculture, 24(3), 697–703

K. N. Das; K. Borkakati; Seema Bhagowati (2006). Forms of Phosphorus in Soils of a transect of Kohora Watershed of Assam, , International Journal of Tropical Agriculture, 24(3), 705–711

K. Borkakati; K. N. Das; Sonia Ramchiary (2005). Potassium Adsorption-Desorption Behaviour of Tea Growing Soils of Assam., International Journal of Tropical Agriculture, 23(1), 327–334

K. Borkakati; K. N. Das; Sonia Ramchiary (2005). Movement and Distribution of potassium in Tea Soils of Assam., International Journal of Tropical Agriculture, 23(1), 335–344

N. Bora; K. N. Das; P. K. Bodoloi; J. Goswami (2000). Effect of added iron in irrigation water on iron content of rice plant in relation to soil, iron and clay content., Annals of Agri. Bio. Res., 5(1), 15–18

K. N. Das; N. Bora; P. K. Bordoloi; P. K. Sarmah (1997). Soils of rainshadow belt of Central Brahmaputra Valley of Assam (India)- their characterization and classification, International Journal of Tropical Agriculture, 15(1), 149–158

K. N. Das; P. K. Sarmah (1997). Fragipan soils of Assam: occurrence, characterization and classification., International Journal of Tropical Agriculture, 15(1), 167–176

K. N. Das; P. K. Bordoloi; N. Bora (1997). Tolerance level of iron in irrigation water for rice crop., International Journal of Tropical Agriculture , 15(1), 159–166

P. K. Sarmah; P.K. Bordoloi; T. C. Barua; K. N. Das (1997). Physical characteristics of two command areas of Assam., Journal of the Indian Society of Soil Science., 45(4), 709–712

K. N. Das; R. M. Karmakar (1996). Manganese distribution in some rice growing soils of Assam., Agropedology, 6(2), 105–110

K. N. Das; N. Bora; K. Das.; P. K. Bordoloi (1996). Effect of sulphur and Nitrogen on soil properties, yield and oil content of toria., Annals of Agricultural Research, 17(4), 422–425

K. N. Das; K. Das (1995). Effect of sulphur and nitrogen fertilization on growth and yield of Toria (Brassica campestris sub. Spp. Olifera var. toria), India Journal of Agronomy., 40(2), 329–331

K. N. Das; K. Das (1994). Effect of sulphur and nitrogen fertilization on yield and N uptake by rapeseed., Journal of the Indian Society of Soil Science, 42(3), 476–478

Rahman, R. and Das, K.N. (2025). A nexus of Soil and Human Health. Shashwat Publication, Ram Das Nagar, Bilaspur, Chhattisgarh-495001, ISBN: ISBN:978-93-6087-079-9

Das, K.N. (2019). Soil and Nutrient Management for Enhanceing Nutrient Use Efficiency in Crop fir Improving Livelihood, in: Neog, M.; Sarmah, M.K.; Borah, R.J.; Pathak, P.K.; (Eds.), Good Agricultural Practices, Concept and Application, Directorate of Extension Education, DEE, AAU, Jorhat-13, pp 171–176.

Das, K.N. (2018). Integrated Fertility Management for Sustainable Productivity, in: Neog, M.; Pathak, P.K.; Sarmah, M.K.; Borah, R.J.; (Eds.), Integrated Farming Systems for Sustainable Agriculture, Directorate of Extension Education, DEE, AAU, Jorhat-13, pp 42–49.

Das, K.N. and Tamuli, D. (2012). Fly Ash and Its Impact on Environment., in: Singh, K.N. (Ed.), Climate Variability and Its Impact on Crop Production,, Agrotech Publishing Academy, Agrotech Publishing Academy, Udaypur, Rajasthan, pp 0–0, ISBN: 978-81-8321-278-6 .

Patagiri, D.K. and Das, K.N. (2012). Soil Physics, in: Bora, D.K. and Patgiri, D.K. (Eds.), Seven Decades of Research on Soil of Assam, Niche Area of Excellence, Department of Soil Science, AAU, Jorhat, pp 42–74.

Das, K.N.; Hazarika, B.N. and Singh, D. (2011). Iron Toxicity in Crop Plants, in: Singh, D.; (Ed.), Crop Production In Acidic Environments, ICAR Publication, New Delhi, pp 129–145, ISBN: ISBN-10 8123929048.

Bhagowati, S. (2021). Assessment of Potassium Use efficiency in Transplanted Rice . Ph. D. thesis submitted to Department of Soil Science, Assam Agricultural University, Assam Agricultural University, Jorhat-785013, Assam

Borah, R. (2019). Assessment of Carbon Footprint in Rice-Rice Cropping System as affected by Fertilizer Management Strategies. Ph. D. thesis submitted to Department of Soil Science, Assam Agricultural University, Assam Agricultural University, Jorhat-785013, Assam

Tamuli, D. (2017). Bioremediation of Iron Toxicity in Lowland Rice Ecosystem of Assam. Ph. D. thesis submitted to Department of Soil Science, Assam Agricultural University, Assam Agricultural University, Jorhat-785013, Assam

Saikia, K. (2016). Development of Pedotransfer Model for Available Phosphorus based on Soil Organic Carbon in Acid Soils of Upper Brahmaputra Valley Zone of Assam. M. Sc. (Agri) thesis submitted to Department of Soil Science, Assam Agricultural University, Assam Agricultural University, Jorhat-785013, Assam

Goswami, K. (2016). Effect of Crude Oil Spillage on Soil Physical Properties and Reclamation of the Affected Soils. Ph. D. thesis submitted to Department of Soil Science, Assam Agricultural University, Assam Agricultural University, Jorhat-785013, Assam

Chanu, I.L. (2015). Long Term Influence of Organic and Inorganic Fertilization on K Dynamics In Rice-Rice Cropping System In an Alfisol . M. Sc. (Agri) thesis submitted to Department of Soil Science, Assam Agricultural University, Assam Agricultural University, Jorhat-785013, Assam

Das, B.K. (2012). Adsorption – Desorption of Zn by Fly Ash in an Inceptisols of Assam. M. Sc. (Agri) thesis submitted to Department of Soil Science, Assam Agricultural University, Assam Agricultural University, Jorhat-785013, Assam

Borkotoki, B.N. (2004). Sulphate Sorption Characteristics in Relation to Soil Properties of Major Soil Orders of Assam.. M. Sc. (Agri) thesis submitted to Department of Soil Science, Assam Agricultural University, Assam Agricultural University, Jorhat-785013, Assam

Bhagawoti, S. (2002). Sorption and Desorption of Phosphate in the Soils of a Transect of Kahara Watershed. M. Sc. (Agri) thesis submitted to Department of Soil Science, Assam Agricultural University, Assam Agricultural University, Jorhat-785013, Assam

Das, K.N. (1999). Phosphate Sorption, Its Mechanism and Relationship with Soil Properties. Ph. D. thesis submitted to Department of Soil Science, Chaudhary Charan Singh Haryana Agricultural University, CCS Haryana Agricultural University, Hissar, Haryana

Das, K.N. (1990). Characterization and Classification of Some Typical Paddy Soils of Assam. M. Sc. (Agri) thesis submitted to Department of Soil Science, Assam Agricultural University, Assam Agricultural University, Jorhat-785013, Assam

Borkotoki, B.; Das, K.N.; Saikia, P. and Basumatary, A. (2018). Effect of Soil Test Crop Response (STCR) fertilizer prescriptions combined with Integrated Plant Nutrient Supply (IPNS) on yield performance of normal, International seminar on Water and land Issues in South East Asia: Status, Challenges and opportunities. , Tezpur, Assam , NERIWALM, Tezpur, Assam, Vol. 0(0), 0 - 0.

Kashyap, N.; Deka, B.; Das, K.N. and Dutta, M. (2017). Integrated Fertilizer Prescription Equations for Recommendation of Fertilizers in Hybrid rice on Alluvial Soils of Assam., National Conference on Organic Farming for Sustainable Agriculture and Livelihood Security under Changing Climate Conditions, Kanpor-208002 UP , Directorate of Research, CS Azad University of Agriculture & Technology, Kanpor-208002 UP, Directorate of Research, CS Azad University of Agriculture & Technology, Kanpor-208002 UP, Vol. 0(0), 48 - 49.

Baruah, P.; Sarma, A.; Pathak, K.; Kurmi, K.; Das, K.N. and Khanikar, P.G. (2017). Influence of irrigation scheduling on soil properties and plant nutrient uptake in transplanted autumn rice., National Conference on Natural Resource Management for Climate Smart Sustainable Agriculture, Barapani, Shillong, Megahlaya , CPGS, CAU (I), Barapani, Shillong, Megahlaya, Vol. 7(18), 182 - 182.

Barua, T.C.; Bora, D.K.; Das, K.N.; Barua, H..C. and Dutta, S. (2002). Potassium dynamics in soils of Assam, Use of Potassium in Assam Agriculture , Calcutta , IARI and PPIC, IARI and PPIC, India Programme, Gurgaon. , Vol. 0(0), 35 - 46.

Das, K.N.; Barua, T.C.; Borkakoti, K. and Bora, D.K.. (2001). Phosphorus management in Assam and North East., Phosphorus in Agriculture. Issues and Strategies, Gurgaon, Haryana , IARI and PPIC, IARI and PPIC, India Programme, Gurgaon. , Vol. 0(0), 0 - 0.

Tomar, N.K. and Das, K.N. (1999). Phosphate sorption and their mechanisms., 64th Annual Conventions, Indian Society of Soil Science, Coimbatore, TN , Indian Society of Soil Science, JISSS, New Delhi, Vol. 0(0), 0 - 0.

Dutta, B.; Das, K.N. and Deka, K. (). Transformation of Phosphorus under Anoxic Submerged Soil Environment, Vigyan Varta an International E-Magazine for Science Enthusiasts, 6(6), 250,251,252, http://www.vigyanvarta.in/, Guwahati

Dutta, B.; Kalita, B.; Medhi, B.K.; Das, K.N.; Deka, K. and Khargharia, R. (). Carbon Budgeting: Concept and Prospects, Vigyan Varta an International E-Magazine for Science Enthusiasts, 6(6), 235,236,237,238, http://www.vigyanvarta.in/, Guwahati

INM on Horse Gram

Implemented in 2024

AAU Rs. 0.25 Lakh

Effectiveness of biofertilizers in vegetable sequences (Cabbage-Okra) 2024-2025

Implemented in 2024

ICAR Rs. 4.50 Lakh

AICRP on STCR

Implemented in 2010

ICAR Rs. 25 Lakh

NATP project on Application of crop modulation models to develop crop and nitrogen management strategies for increasing rice productivity under rainfed favourable lowland situation of Eastern India

Implemented in 2000

ICAR Rs. 3.5 Lakh

AICRP on Soil Test Crop Response (STCR)

Implemented in 2010

DST Rs. 23.5 Lakh

Exploration of Potentials and Feasibility of Fly Ash for Agricultural Application in Assam

Implemented in 2009

ICAR Rs. 35 Lakh

NATP project , RRPS-24 on “Participatory and Integrated Assessment of Natural Resources and Evaluation of Alternate Sustainable Land Management Options for Tribal Dominant Watersheds.

Implemented in 2000

ICAR Rs. 1000000 Lakh

AICRP on STCR

Implemented in 2010

Recognition & Accolades

Achievements & Honours 14 Honours

Completed NATP project , RRPS-24 on “Participatory and Integrated Assessment of Natural Resources and Evaluation of Alternate Sustainable Land Management Options for Tribal Dominant Watersheds.” sponsored by ICAR, New Delhi from June, 2000- June, 2003. Technology developed for natural resources conservation in degraded hillocks in NE region.

Completed Research Project on "Exploration of Potentials and Feasibility of Fly Ash for Agricultural Application in Assam” Sponsored by DST, FAU, Govt of India, New Delhi from April, 2009 to Sept 2011. Technical knowhow generated for application of Assam's fly ash in lowland rice that high heavy metals content in fly ash generated in Assam raised question on its suitability for agricultural application.

Collaborated with the Department of Crop Physiology, Assam Agricultural University, Jorhat as a Co-Principal Investigator in a NATP research project entitled "Application of crop modulation models to develop crop and nitrogen management strategies for increasing rice productivity under rainfed favourable lowland situation of Eastern India" sponsored by ICAR, New Delhi from June, 2000- Dec, 2003 .

Developed fertilizer prescription equations for targeted yield of transplanted winter rice, var. Ranjit in Assam under IPNS and without IPNS. Recommended in state Package of Practices.

Generated fertilizer prescription equations for targeted yield of normal sown rapeseed, var. TS-38 in Assam under IPNS and without IPNS. Recommended in state Package of Practices.

Developed fertilizer prescription equations for targeted yield of late sown rapeseed, var. JT-90-1 in Assam under IPNS and without IPNS. Recommended in state Package of Practices.

Developed fertilizer prescription equations for targeted yield of summer green gram, var. Pratap in Assam under IPNS and without IPNS. Recommended in state Package of Practices.

Developed fertilizer prescription equations for targeted yield of Hybrid rice var. US-382 in Assam under IPNS and without IPNS. In the pipeline for recommendation in state Package of Practices.

Generated fertilizer prescription equations for targeted yield of aromatic rice var. Keteki Joha in Assam under IPNS and without IPNS. In the verse of recommendation in state Package of Practices.

A. Written and published 4 Practical Manuals for UG courses and 3 Practical Manuals for PG courses.

B. Guided 7 PG students and 5 Ph. D. students.

Involved in numerous farmers related activities such as Farmers training, method demonstration, verification trials at farmer's field, FLD, organized Field days, Krishan Gusthi, broadcasted radio talks etc.

SRF, ICAR, 1995

Fellow of Indian Society of Agricultural Biochemist (F.I.S.A.B.), Kanpur, 2016

Best Teacher Award, Assam Agricultural University, Jorhat, 2018.

Learned Societies

Professional Memberships 5 Societies

Indian Society of Soil Science

Annual Member

2019

Soil Conservation Society of India

Life Member

Indian Society of Agricultural Biochemist

Life Member

Indian Society of Agropedology

Life Member

Indian Society of Soil and Water Conservation

Life Member

Dr. Kulendra Nath Das

Professor

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College: College of Agriculture

Department: Soil Science

AAU Joining Date: 14 Dec, 1990

Additional Charge: Prof. i/c Debating & Study Circle, College of Agriculture, AAU, Jorhat