| 000 | 00648nam a22001577a 4500 | ||
|---|---|---|---|
| 008 | 230217b |||||||| |||| 00| 0 eng d | ||
| 040 |
_aNational Science Library _cNational Science Library |
||
| 080 |
_aI 631.4(082.2) _bM2.2 |
||
| 245 |
_aNon- symbiotic nitrogen fixation and organic matter in the tropics: _bManaging soil resources to meet the challenges to mankind symposia papers I _c/ Transactions 12th International congress of soil science |
||
| 260 |
_aNew Delhi: _b12th International Congress of Soil Science, _c1982 |
||
| 300 | _avi, 266p. | ||
| 650 | _aAgriculture | ||
| 653 | _aSoil matter | ||
| 653 | _aNitrogen | ||
| 942 |
_2udc _cREF |
||
| 999 |
_c1964 _d1964 |
||