| 1 | |
| Researcher: | Jayakumar, N |
| Guide: | Natarajan, K |
| University: | Bharathiar University |
| Language: | English |
| 2 | 15 N studies on nitrogen use efficiency and balance in rice-soil system |
| Researcher: | Saravanan, A |
| University: | Tamil Nadu Agricultural University |
| Language: | English |