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  <gcmd:gcmd>
    <gcmd:termsOfUse>https://cdn.earthdata.nasa.gov/conduit/upload/5182/KeywordsCommunityGuide_Baseline_v1_SIGNED_FINAL.pdf</gcmd:termsOfUse>
    <gcmd:keywordVersion>23.7</gcmd:keywordVersion>
    <gcmd:schemeVersion>2026-04-15T10:53:30.610Z</gcmd:schemeVersion>
    <gcmd:viewer>https://gcmd.earthdata.nasa.gov/KeywordViewer/scheme/sciencekeywords/ed7c506e-b18e-4a93-ac03-4bdfe119b72f</gcmd:viewer>
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  <skos:Concept rdf:about="ed7c506e-b18e-4a93-ac03-4bdfe119b72f">
    <skos:broader rdf:resource="c7b5c02c-724d-4a19-b824-98180f3900c9"/>
    <skos:prefLabel xml:lang="en">NITROGEN</skos:prefLabel>
    <gcmd:reference gcmd:text="Starr, C. and R.Taggart. 1998. Biology: the unity and diversity of life. Wadsworth Publishing Company. Belmont, California." xml:lang="en"/>
    <skos:definition xml:lang="en">Nitrogen is a plant nutrient that is a component of proteins, nucleicacids, coenzymes, and chlorophylls.  Plants that are deficient in nitrogenhave stunted growth, and light-green older leaves.</skos:definition>
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