<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>3276</termId><termName>NITRIFICACION</termName><termType>PT</termType><termLanguage>es-ES</termLanguage><termVocabulary>TESAURO DE MATERIAS DE SERBIULA</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval>	<termSortkey>NITRIFICACION</termSortkey><termNote label="Cota LC"><![CDATA[ <p><a href="http://www.loc.gov/aba/publications/FreeLCC/S-text.pdf" target="_blank">[S651-S651.3 (Agriculture)]</a></p> ]]></termNote><termCreatedDate>NITRIFICACION</termCreatedDate><termModifiedDate>2015-02-05 10:15:20</termModifiedDate><relation><relationType>BT</relationType><termId>19974</termId><termName>OXIDACION</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>135</termId><termName>SUELOS</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>132</termId><termName>FERTILIZANTES</termName><termType>PT</termType></relation><relation><relationType>BT</relationType><termId>3178</termId><termName>QUIMICA AGRICOLA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>5524</termId><termName>BACTERIOLOGIA AGRICOLA</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>5523</termId><termName>BACTERIAS NITRIFICANTES</termName><termType>PT</termType></relation><relation><relationType>RT</relationType><termId>29395</termId><termName>CICLO DEL NITROGENO</termName><termType>PT</termType></relation></term>  </Zthes>