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mads.xsd"><authority><topic authority="http://roble.intecca.uned.es/tematres/lem/">Agricultura</topic></authority><related type="narrower"><topic>Climatología agrícola</topic></related><related type="narrower"><topic>Labranza</topic></related><related type="narrower"><topic>Plagas del campo</topic></related><related type="narrower"><topic>Hidropónica</topic></related><related type="narrower"><topic>Máquinas agrícolas</topic></related><related type="narrower"><topic>Productos agrícolas</topic></related><related type="narrower"><topic>Agricultores</topic></related><related type="narrower"><topic>Cosechas</topic></related><related type="narrower"><topic>Cultivos de regadío</topic></related><related type="narrower"><topic>Cultivos de secano</topic></related><related type="narrower"><topic>Cultivos extensivos</topic></related><related type="narrower"><topic>Desarrollo agrícola</topic></related><related type="narrower"><topic>Edificios agrícolas</topic></related><related type="narrower"><topic>Industrias agropecuarias</topic></related><related type="narrower"><topic>Microbiología agrícola</topic></related><related type="narrower"><topic>Recursos agrícolas</topic></related><related type="narrower"><topic>Tierras de cultivo</topic></related><related type="other"><topic>Política agraria</topic></related><related type="other"><topic>Plantas cultivadas</topic></related><related type="other"><topic>Agronomía</topic></related><related type="other"><topic>Edafología</topic></related><related type="other"><topic>Ingeniería agronómica</topic></related></mads>