| 000 | 00941nam a22002537a 4500 | ||
|---|---|---|---|
| 999 |
_c6753 _d6753 |
||
| 001 | GENERAL-001850 | ||
| 003 | EC-OLADE-CDD | ||
| 005 | 20161212145855.0 | ||
| 008 | 160705b xxu||||| |||| 00| 0 spa d | ||
| 022 | _a92-5-100510-9 | ||
| 040 |
_aOLADE-CDD _cOLADE-CDD |
||
| 041 | _aeng | ||
| 082 |
_a630 _bF6862 |
||
| 110 | _aFood and Agriculture Organization of the United Nations (FAO) | ||
| 245 | _aOrganic material and soil productivity | ||
| 260 |
_aRoma: _bFAO, _c1977 |
||
| 300 |
_a119 p. _bilustraciones., cuadros. |
||
| 504 | _a0289 | ||
| 505 | _aSoil as a substartum for plant production. Biochemistry of soil organic matter in relation to soil productivity. Importance of soil organic matter to soil fertility. Organic materials as fertilizers in crop production. Economic of using organic materials as fertilizers. | ||
| 650 | _aSuelos | ||
| 650 | _aConservación de Suelos | ||
| 650 | _aAgricultura | ||
| 942 |
_2ddc _cBK |
||