| 000 | 006980000a22002050004500 | ||
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| 090 |
_aAR _b02004 |
||
| 245 | 1 | 0 | _aRelationship between earthworms and soil organic matter levels in natural and managed ecosystems in the Mexican tropic |
| 650 | 1 | 4 |
_aAnálisis del suelo _9286 |
| 650 | 1 | 4 |
_aUsos del suelo _995453 |
| 650 | 1 | 4 |
_aEcología _992250 |
| 651 | 4 |
_pMéxico _992749 |
|
| 041 | 0 | _aInglés | |
| 700 | 1 |
_aBarois, I. _995454 |
|
| 700 | 1 |
_aGonzález, C. _995455 |
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| 700 | 1 |
_aArteaga, C. _995456 |
|
| 700 | 1 |
_aPatrón, J. C. _995457 |
|
| 100 | 1 |
_aFragoso, Carlos _995458 |
|
| 942 | _cARTICULO | ||
| 773 | 1 |
_tSoil Organic Matter Dynamic and Sustainability of Tropical Agriculture _3676 _q231-239 _d1993 |
|
| 999 |
_c11081 _d11081 |
||