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      <marc:subfield code="a">Brach, E. J., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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      <marc:subfield code="a">Development of techniques and equipment to measure optical characteristics of agricultural plants and products / </marc:subfield>
      <marc:subfield code="c">E.J. Brach.</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Ottawa : </marc:subfield>
      <marc:subfield code="b">Engineering Research Service, Research Branch, Agriculture Canada,  </marc:subfield>
      <marc:subfield code="c">October 1974.</marc:subfield>
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      <marc:subfield code="a">Contribution ; </marc:subfield>
      <marc:subfield code="v">no. 487</marc:subfield>
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      <marc:subfield code="a">"Report number 6842-1."</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (page 13).</marc:subfield>
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      <marc:subfield code="a">"Engineering Research Service, Research Branch, Agriculture Canada, has a remote sensing program which includes nine goals. To develop the theoretical basis and a catalog of spectral signatures for the application of infrared and other remote sensing techniques, to make non-destructive, instantaneous measurements of biological parameters through the development of sensors, techniques and systems to solve specific problems for Branch establishments, and to provide a resource of information and techniques for use as ground truth data in a remote sensing of agricultural parameters and develop a ground truth station to compliment satellite and aircraft sensors"--Summary.</marc:subfield>
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      <marc:subfield code="a">Agricultural industries</marc:subfield>
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      <marc:subfield code="a">Agriculture</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Agriculture Canada. </marc:subfield>
      <marc:subfield code="b">Engineering Research Service, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="a">Contribution (Canada. Agriculture Canada. Engineering Research Service)</marc:subfield>
      <marc:subfield code="v">no. 487.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.921188</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">8.43 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2023/aac-aafc/A58-4-487-eng.pdf</marc:subfield>
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