| 1 | |
| Researcher: | Hira Lal |
| Guide: | Saxena, B S |
| University: | Ch Charan Singh University |
| Language: | English |
| 2 | |
| Researcher: | Hira Lal |
| Guide: | Singh, C M |
| University: | Himachal Pradesh Krishi Vishwavidyalaya |
| Language: | English |
| 3 | Effect of some physiologically active organic wastes on soil fertility and plant growth |
| Researcher: | Hira Lal |
| Guide: | Vimal, O P |
| University: | Indian Agricultural Research Institute |
| Language: | English |
| 4 | |
| Researcher: | Hira Lal |
| Guide: | Jain, K B L |
| University: | Indian Agricultural Research Institute |
| Language: | English |