| 501 | study of the effects of green manures on organic constituents of the soil and on micororganisms | |
| Researcher: | Chalamayya, N | |
| University: | Sri Venkateswara University | |
| Language: | English | |
| 502 | Decomposition and maintenance of organic matter under tropical conditions | |
| Researcher: | Chawla, Om Prakash | |
| University: | Indian Agricultural Research Institute | |
| Language: | English | |
| 503 | Soil organic matter and its influence on the nutritional status of the soil | |
| Researcher: | Gangopadhyay, Tapankumar | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||
| 504 | Physico-chemical investigations on natural and synthetic hymatomelanic acids | |
| Researcher: | Ghosh, Kunal | |
| University: | University of Calcutta | |
| Language: | English | |
| 505 | ||
| Researcher: | Joshi, O P | |
| University: | Indian Agricultural Research Institute | |
| Language: | English | |
| 506 | Studies on the effect of different organic materials on soil structure and its allied properties | |
| Researcher: | Sharma, D C | |
| University: | Tilka Manjhi Bhagalpur University | |
| Language: | English | |
| 507 | Studies on organic matter and decomposition of an added organic substance in alkali soils | |
| Researcher: | Tiwari, Prem Narain | |
| University: | Banaras Hindu University | |
| Language: | English | |
| 508 | Studies on transformations and movement of urea in some Punjab soils | |
| Researcher: | Viraj | |
| University: | Punjab Agricultural University | |
| Language: | English | |
| 509 | Soil fertility and physico-chemical studies on soils and plants under drought conditions | |
| Researcher: | Chandra Sekhara Rao, Anne | |
| University: | Indian Agricultural Research Institute | |
| Language: | English | |
| 510 | ||
| Researcher: | Dahiya, Sunehara Singh | |
| University: | Ch Charan Singh Haryana Agricultural University | |
| Language: | English | |
| 511 | Response studies of Indian and Mexican varieties of wheat under different fertility levels | |
| Researcher: | Mandal, Jaideo | |
| University: | Tilka Manjhi Bhagalpur University | |
| Language: | English | |
| 512 | ||
| Researcher: | Verma, Jagdish | |
| University: | Dr Bhimrao Ambedkar University | |
| Language: | English | |
| 513 | Fate and persistence of hexachlorocyclo-haxane isomers in soil BARC, Bombay | |
| Researcher: | Jessica, Drego | |
| Guide: | Raghu, K | |
| University: | University of Mumbai | |
| Language: | English | |
| 514 | Studies on clay non clay interaction in the release of potassium in soil | |
| Researcher: | Sen, Tarun Kanti | |
| Guide: | Adhikari, M | |
| University: | University of Calcutta | |
| Language: | English | |
| 515 | ||
| Researcher: | Varadachari, Chandrika | |
| Guide: | Ghosh, Kunal | |
| University: | University of Calcutta | |
| Language: | English | |
| Shodhganga | ||
| 516 | ||
| Researcher: | Dwivedi, Brahma Swaroop | |
| Guide: | Tewari, K N | |
| University: | Chandra Shekhar Azad University of Agriculture and Technology | |
| Language: | English | |
| 517 | ||
| Researcher: | Hari Ram | |
| Guide: | Dwivedi, K N | |
| University: | Chandra Shekhar Azad University of Agriculture and Technology | |
| Language: | English | |
| 518 | Behaviour of nitrogen, phosphours and sulphur in soils and legume oilseed crop sequence | |
| Researcher: | Katiyar, Subodh Kumar | |
| Guide: | Upadhyay, R M | |
| University: | Chandra Shekhar Azad University of Agriculture and Technology | |
| Language: | English | |
| 519 | ||
| Researcher: | Mishra, M K | |
| Guide: | Mishra, B | |
| University: | Govind Ballabh Pant University of Agricultural and Technology | |
| Language: | English | |
| 520 | ||
| Researcher: | Lakshmi, Gogineni Swarajya | |
| University: | Tamil Nadu Agricultural University | |
| Language: | English | |