| 000 | 004540000a22001690004500 | ||
|---|---|---|---|
| 020 | _a81-85031-25-8 | ||
| 060 | _a100 | ||
| 082 | _a631.41 SIN | ||
| 100 | _aPushplata, Singh | ||
| 100 | _aSingh, A L | ||
| 245 | _aNitrogen fixation in Indian rice fields : Azolla & Blue green algae | ||
| 260 | _aIndia, Agro botanical publishers | ||
| 260 | _c1989 | ||
| 300 | _a236 | ||
| 650 | _arice fields -India / soil science / soil chemistry | ||
| 942 | _cBK | ||
| 999 |
_c205656 _d205656 |
||