<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31373592</termId><termName>ammonium nitrate</termName><termType>PT</termType><termNote><![CDATA[ A colorless crystalline compound of the composition HNO3 used in the production of explosives and fertilizers. As nitrate runoff from agricultural land it is a toxic pollutant which may cause eutrophication. ]]></termNote><termCreatedDate>2026-03-30 20:40:45</termCreatedDate><relation><relationType>UF</relationType><termId>31373593</termId><termName>nitrate, ammonium</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31343254</termId><termName>nitrate</termName><termType>PT</termType></relation></term>  </Zthes>