| 000 | 00415nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 140208s9999 xx 000 0 und d | ||
| 044 | _aIndia | ||
| 080 | _a589 SI 64R | ||
| 100 | _aSingh, R.N. Randhawa | ||
| 245 |
_aRole of blue-green algae in nitrogen economy of Indian agriculture _cR.N. Singh |
||
| 260 |
_bIndian Council of Agricultural Research _aNew Delhi _c1961 |
||
| 300 | _a175 p.; 25 cm. | ||
| 942 |
_2udc _cGB |
||
| 999 |
_c1707 _d1707 |
||