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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">RELACIONES PLANTA-SUELO</topic></authority><related type="narrower"><topic>CULTIVOS Y SUELOS</topic></related><related type="narrower"><topic>EFECTO DE LA ACIDEZ DEL SUELO SOBRE LAS PLANTAS</topic></related><related type="narrower"><topic>EFECTO DE LA HUMEDAD DEL SUELO SOBRE LAS PLANTAS</topic></related><related type="broader"><topic>ECOLOGIA VEGETAL</topic></related><variant type="other"><topic>Plantas y suelo</topic></variant><variant type="other"><topic>Relación planta-suelo</topic></variant><variant type="other"><topic>Relaciones suelo-planta</topic></variant></mads>