| 1 | Studies on zinc-phosphorus interaction using wheat as an indicator crop | 
| Researcher: | Singh, Darbara | 
| University: | Punjab Agricultural University | 
| Language: | English | 
| 2 | |
| Researcher: | Vig, Abnash Chander | 
| University: | Punjab Agricultural University | 
| Language: | English | 
| 3 | Phosphorus nutrition of maize and wheat as influenced by different soil and plant parameters | 
| Researcher: | Gulshan Singh | 
| Guide: | Singh, N T | 
| University: | Punjab Agricultural University | 
| Language: | English |