| 1 | ||
| Researcher: | Jeyaraj, V | |
| Guide: | Riyazuddin, P | |
| University: | University of Madras | |
| Language: | English | |
| 2 | ||
| Researcher: | Venkataramana, B | |
| Guide: | Lakshminarayana, K | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| Shodhganga | ||
| 3 | 15 N studies on nitrogen use efficiency and balance in rice-soil system | |
| Researcher: | Saravanan, A | |
| University: | Tamil Nadu Agricultural University | |
| Language: | English | |