| 1 | |
| Researcher: | Nachhattar Singh |
| Guide: | Khehra, A S |
| University: | Punjab Agricultural University |
| Language: | English |
| 2 | Relationship of soil inorganic phosphorus fractions with its uptake by crops in different rotations |
| Researcher: | Dhillon, Nachhattar Singh |
| Guide: | Dev, G |
| University: | Punjab Agricultural University |
| Language: | English |