| 000 | 00425nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 220204s9999 xx 000 0 und d | ||
| 082 |
_a631.84(213.5) _bCOM |
||
| 245 | 0 | _aReview of nitrogen in the tropics with particular reference to pastures | |
| 260 |
_aLondon _bCAB _c1962 |
||
| 490 | _aCommonwealth Bureau of pastures and field crops bulletin; 46 | ||
| 650 | _aNitrogen fixation | ||
| 650 | _aSoil nitrogen | ||
| 942 | _cBK | ||
| 999 |
_c21212 _d21212 |
||