| 281 | |
| 282 | Properties of soil with special reference to the effect of organic matter and calcium phosphate |
| Language: | English |
| 283 | Studies in nitrogen fixation and loss in vegetable production and other crops |
| 284 | |
| Language: | English |
| 285 | Evaluation of methods for estimation of available copper in Indian soils |
| 286 | |
| Language: | English |
| 287 | |
| 288 | |
| Language: | English |
| 289 | Studies on micronutrient behaviour of zinc in soils of Uttar Pradesh |
| 290 | |
| Language: | English |
| 291 | |
| 292 | |
| Language: | English |
| 293 | |
| 294 | |
| Language: | English |
| 295 | Availability of soil nitrogen and phosphorus in presence of different calcium salts |
| 296 | |
| Language: | English |
| 297 | |
| 298 | |
| Language: | English |
| 299 | |
| 300 | Studieson soil erosvon with special reference to applied chemicals |
| Language: | English |