00833cam a22002657a 4500003000500000005001700005008004100022010001000063011001000073020001500083035001000098040000900108082001600117100003200133245010200165260004200267300003100309490004700340650002400387650002500411650002900436650002900465650002600494830004700520CHAP20220329142427.0010118d1999    us a    r     00110 eng d  a83278  a84250  a0195120833  a94769  cCHAP04a631.46bR6200aRobertson, G. Philipe, ed.10aStandard soil methods for long-term ecological researchc/ed. by Philip Robertson G. [and others]  aNew York :bOxford University,c1999.  a462 p. :bilus. ; gráfs. 0aLong-term ecological research networkv; 214aSuelosxEcología.14aSuelosxFísica de.14aSuelosxInvestigación.14aSuelosxMicrobiología.14aSuelosxQuímica de.00aLong-term ecological research networkv; 2