| 1 | Improving fertilizer use efficiency of urea under rainfed conditions |
| 2 | Studies into effectiveness of slow release nitrogen fertilizers for paddy |
| Language: | English |
| 3 | Losses and measures of improving the efficiency of urea in alkaline soils |
| 4 | |
| Language: | English |
| 5 | Urea fertilizers and their management practices for lowland rice |
| 6 | |
| Language: | English |
| 7 | Nitrogen efficiency improvement under flooded paddy conditions |
| 8 | |
| Language: | English |
| 9 | study of some aspects of inorganic and organic nitrogen fertilization in Vigna mungo |
| 10 | Response of dwarf indica rice varieties to varying fertility level and top dressing of nitrogen |
| Language: | English |
| 11 | |
| 12 | |
| Language: | English |
| 13 |