| 000 | 00402nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 140205s9999 xx 000 0 und d | ||
| 020 | _a925101261 X | ||
| 082 | _a631.4/HAM | ||
| 100 | _aHamdi, Y.A | ||
| 245 | _aFAO soil bulletin Application of nitrogen-fixing system in soil improvement and management | ||
| 260 |
_bF A O _aRome _c1982 |
||
| 300 | _a188 | ||
| 650 | _aNitrification | ||
| 942 |
_2ddc _cBK |
||
| 999 |
_c2090 _d2090 |
||