Singh, R. K., Singh, Sandip Kumar and Singh, L. B. (2007). Integrated nitrogen management in wheat using chemical and bio-fertilizers. Indian Journal of Agronomy, Vol. No. 52 (2): 124-126 (NAAS 6.0).

Singh, Rajiv K., Rathore, S. S., Ram, Hardev, Shekhwat, Kapila, Singh, Chandu and Upadhyay, Pravin K. (2019). Agronomic interventions for high seed productivity and quality of wheat (Triticum aestivum). Indian Journal of Agricultural Sciences 89 (7): 1532�6. (NAAS 6.23).

Hasanain, M., Singh, V.K., Rathore, S.S., Meena, V.S., Meena, S.K., Shekhawat, K., Singh, R.K., Dwivedi, B.S., Bhatia, A., Upadhyay, P.K., Singh, R., Babu, S., Kumar, A., Kumar, A., Fatima, A., Verma, G., Kumar, S., Sharma, K., and Singh, N. (2025). Sustainable strategies in maize-wheat systems: Integrating tillage, residue, and nutrient management for food-energy-carbon foot print optimization. Renewable and Sustainable Energy Reviews. 211, 1-20. 115316. https://doi.org/10.1016/j.rser.2024.115316. (NAAS 20)

Upadhyay, PK., Singh, V.K., Shekhawat, K., Dwivedi, B.S., Mishra, R.P., Singh, R.K., Rathore, S.S., Singh, S.K., Rani, M., Sarkar, S., Dey, A., Babu, S., Sahoo, R.N., Rajanna, G.A., Tyagi, V., Kumar, S., Meenakshi, Patel, A., and Shukla, G. 2025. Sustainable nitrogen management in maize using optical sensor: Assessing yield, economics, and environmental impact. Field Crops Research, 322, 109753, ISSN 0378-4290. https://doi.org/10.1016/j.fcr.2025.109753. (NAAS 11.60)

Hasanain, M., Singh, V.K., Rathore, S.S., Meena, V.S., Meena, S.K., Shekhawat, K., Singh, R.K., Dwivedi, B.S., Singh, R., Babu, S., Upadhyay, P.K., Kumar, Amit, Kumar, Adarsh, Fatima, A., Verma, G., Kumar, S., 2024. Crop establishment and nutrient management options: Optimizing productivity, maximize profitability and mitigating adverse climatic conditions in the maize-based production system of Northwest India. Field Crops Research 318, 109606. https://doi.org/10.1016/j.fcr.2024.109606. (NAAS 11.60)

Fatima, A., Singh, V.K., Babu, S., Singh, R.K., Rathore, S.S., Kumar, B., Hasanain, M. and Parween, H. 2023. Food production Upadhyay, P.K*., potential and environmental sustainability of different integrated farming system models in northwest India. Frontiers in Sustainable Food Systems 7:959464. https://www.frontiersin.org/articles/10.3389/fsufs.2023.959464/full. (NAAS 11.10)

Singh, Ramesh Kumar, Upadhyay, Pravin Kumar, Dhar Shiva, Rajanna, G. A., Singh, Vinod Kumar, Kumar Rakesh, Singh, Rajiv Kumar, Babu Subhash, Rathore, Sanjay Singh, Shekhawat Kapila, Dass Anchal, Kumar Amit, Gupta Gaurendra, Shukla Gaurav, Rajpoot Sudhir, Prakash Ved, Kumar Bipin, Sharma, Vinod Kumar and Barthakur Sharmistha (2023). Soybean crop intensification for sustainable aboveground-underground plant–soil interactions. Frontiers in Sustainable Food Systems 7:1194867. doi: 10.3389/fsufs.2023.1194867. (NAAS 11.10)

Singh, Ramesh Kumar, Upadhyay, Pravin Kumar, Shiva Dhar, Rajanna, G.A., Singh, Vinod Kumar, Kumar Rakesh, Singh, Rajiv Kumar, Babu Subhash, Rathore, Sanjay Singh, Shekhawat Kapila, Dass Anchal, Kumar Amit, Gupta Gaurendra, Shukla Gaurav, Rajpoot Sudhir, Prakash Ved, Kumar Bipin, Sharma, Vinod Kumar and Barthakur Sharmistha (2023). Soybean crop intensification for sustainable aboveground-underground plant–soil interactions. Front. Sustain. Food Syst. 7:1194867. https://doi.org/10.3389/fsufs.2023.1194867. (NAAS 10.70)

Upadhyay, Pravin Kumar, Singh, Vinod Kumar, Rajanna G. A., Dwivedi, Brahma Swaroop 1,4, Dey Abir, Singh, Rajiv Kumar, Rathore, Sanjay Singh, Shekhawat Kapila, Babu Subhash, Singh Tarunendu 5, Kumar Yogendra, Singh Chandu, Rangot Meenakshi, Kumar Amit, Sarkar Sayantika, Dash Sukanta and Satyam Rawat (2023). Unveiling the combined effect of Nano fertilizers and conventional fertilizers on crop productivity, profitability, and soil well-being. Front. Sustain. Food Syst. 7:1260178. https://doi.org/10.3389/fsufs.2023.1260178. (NAAS 10.70)

Upadhyay, Pravin Kumar, Dey Abir, Singh, Vinod Kumar, Dwivedi Brahma Swaroop, Singh Rajiv Kumar, Rajanna, G. A., Babu Subhash, Rathore, Sanjay Singh, Shekhawat Kapila, Rai, Pradeep Kumar, Choudhury, Nalini Kanta, Budhlakoti Neeraj, Mishra, Dwijesh Chandra, Rai Anil, Singh Awtar, Bhardwaj Ajay Kumar and Shukla Gaurav (2024). Changes in microbial community structure and yield responses with the use of Nano‑fertilizers of nitrogen and zinc in wheat–maize system. Scientific Reports 14, 1100. https://doi.org/10.1038/s41598-023-48951-3. (NAAS 10.60)