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010 _a65560
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110 _aSoil Science Society of America. Madison, Wis.
_9108304
245 0 _aSoil fertility and organic matter as critical components of production systems
260 _aMadison, Wis :
_bThe Society,
_c1987
300 _a166 p.
_b; gráfs.
490 0 _aSSSA Special publication
_v; 19
590 _aBATCH-UPD
_b10
_c20130110
_lUCH01
_h1057
590 _aBATCH-UPD
_b10
_c20130410
_lUCH01
_h0651
590 _aBATCH-UPD
_b10
_c20130914
_lUCH01
_h1626
590 _aCONVERSION
_b10
_c20130109
_lUCH01
_h1336
650 1 4 _aHumus.
_956902
650 1 4 _aSuelos
_xFertilidad.
_9110367
650 1 4 _aSuelos
_xMateria orgánica.
_9110429
830 0 _aSSSA Special publication
_v; 19
901 _aBK
949 _a631.422 S6
_bS
_cLIBRO
_d-7724
_eLIBRO
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_i74824
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999 _c65560
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