| 281 | |
| Researcher: | Ravindra Singh | 
| University: | University of Allahabad | 
| Language: | English | 
| 282 | Nitrogen economy in Indian soils through biological nitrogen fixers  | 
| Researcher: | Rewari, Ran Bir | 
| University: | Indian Agricultural Research Institute | 
| Language: | English | 
| 283 | |
| Researcher: | Rishi, Avtar Krishen | 
| University: | University of Allahabad | 
| Language: | English | 
| 284 | Nitrogen recuperation and fluctuations in the soils of the Bombay presidency  | 
| Researcher: | Sahasrabudhe, Dattatraya Lakshman | 
| University: | University of Mumbai | 
| Language: | English | 
| 285 | Studies in fixation of atmospheric nitrogen with chemically pure substances  | 
| Researcher: | Saxena, Baldeo Behari Lal | 
| University: | University of Allahabad | 
| Language: | English | 
| 286 | Nitrogen fixation and bacterial counts on the application of energy rich substances to the soil  | 
| Researcher: | Seshacharyulu, E V | 
| University: | University of Allahabad | 
| Language: | English | 
| 287 | |
| Researcher: | Sharma, Dhirendra Nath | 
| University: | University of Allahabad | 
| Language: | English | 
| 288 | |
| Researcher: | Sharma, Virendra Prakash | 
| University: | University of Allahabad | 
| Language: | English | 
| 289 | |
| Researcher: | Shukla, Girish Chandra | 
| University: | University of Allahabad | 
| Language: | English | 
| 290 | Study of some aspects of enzymic reactions in biological fixation of nitrogen  | 
| Researcher: | Sinha, Krishna Kumar | 
| University: | University of Allahabad | 
| Language: | English | 
| 291 | |
| Researcher: | Sinha, Sirtaj Bahadur | 
| University: | University of Allahabad | 
| Language: | English | 
| 292 | |
| Researcher: | Sohan Lal | 
| University: | University of Allahabad | 
| Language: | English | 
| 293 | |
| Researcher: | Srinivasa, Balasundaram | 
| University: | University of Mumbai | 
| Language: | English | 
| 294 | |
| Researcher: | Srinivasa Pai, K V | 
| University: | University of Madras | 
| Language: | English | 
| 295 | |
| Researcher: | Srivastava, Ashok Kumar | 
| University: | University of Allahabad | 
| Language: | English | 
| 296 | |
| Researcher: | Srivastava, Rama Pati Saran | 
| University: | University of Allahabad | 
| Language: | English | 
| 297 | |
| Researcher: | Srivastava, Vinod Kumar | 
| University: | University of Allahabad | 
| Language: | English | 
| 298 | Studies on nitrogen loss in the transformation of different inorganic nitrogen compounds  | 
| Researcher: | Suryanarayana, C V | 
| University: | University of Allahabad | 
| Language: | English | 
| 299 | |
| Researcher: | Syed, Riazul Hasan | 
| University: | University of Allahabad | 
| Language: | English | 
| 300 | |
| Researcher: | Tandon, Sant Prasad | 
| University: | University of Allahabad | 
| Language: | English |