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	mads.xsd"><authority><topic authority="http://www.serbi.ula.ve/tematres/vocab/">RIEGO</topic></authority><related type="narrower"><topic>AGRICULTURA DE REGADIO</topic></related><related type="narrower"><topic>AGUA DE RIEGO</topic></related><related type="narrower"><topic>MICROIRRIGACION</topic></related><related type="narrower"><topic>RIEGO CON AGUAS RESIDUALES</topic></related><related type="narrower"><topic>RIEGO POR ASPERSION</topic></related><related type="narrower"><topic>RIEGO POR SURCOS</topic></related><related type="narrower"><topic>SUELO IRRIGADO</topic></related><related type="broader"><topic>AGRICULTURA</topic></related><related type="broader"><topic>AGUA EN AGRICULTURA</topic></related><related type="broader"><topic>SUELO IRRIGADO</topic></related><related type="broader"><topic>DESARROLLO DE RECURSOS HIDRAULICOS</topic></related><variant type="other"><topic>Agricultura--Riego</topic></variant><variant type="other"><topic>Irrigación</topic></variant></mads>