| 1 | Studies of some Usar (alkali) soils of U.P. with reference to soil phosphorus and organic matter |
| Researcher: | Gupta, Mohan Lal |
| University: | Banaras Hindu University |
| Language: | English |
| 2 | |
| Researcher: | Gupta, Mohan Lal |
| University: | University of Rajasthan |
| Language: | Hindi |