| 000 | 00371 a2200145 4500 | ||
|---|---|---|---|
| 080 |
_a589.3 _bS 617 R |
||
| 245 | 1 |
_aRole of blue-green algae in nitrogen economy of Indian agriculture _cby R.N. Singh |
|
| 260 |
_aNew Delhi _c1961 |
||
| 650 | _aBlue-Green | ||
| 650 | _aNitrogen | ||
| 650 | _aAgriculture | ||
| 100 | 1 |
_aSingh, R.N. _d |
|
| 300 | _a175 p. | ||
| 901 | _a70279 | ||
| 999 |
_c36124 _d36124 |
||