| 000 | 00686 am a2200229 a 4500 | ||
|---|---|---|---|
| 245 | 1 | _aEffect of different levels of nitrogen and FYM on biological nitrogen fixation in maize (Zea mays) | |
| 260 | _c87p. | ||
| 650 | _aNitrification | ||
| 650 | _aNitrogencycle | ||
| 650 | _aFood grains | ||
| 650 | _aFood crops | ||
| 650 | _aCereals | ||
| 650 | _aVarieties | ||
| 650 | _aFertilizer | ||
| 650 | _aZea mays | ||
| 650 | _aAgricultural chemical | ||
| 502 |
_cHaryana Agricultural University, College of Agricuture, Department of Soil Science, Hisar _bPh.D. (Soil Sci.) _d1987 |
||
| 502 | _gLaura, R.D. | ||
| 100 | 1 |
_aBarooni, R.C. _d |
|
| 942 |
_2udc _cT |
||
| 901 | _aRF8408 | ||
| 999 |
_c146772 _d146772 |
||