<?xml version="1.0"?>
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  <oai_dc:dc>
    <dc:title xmlns:dc="http://purl.org/dc/elements/1.1/">Fertilizer Guide for Food grains in the tropics and subtropics</dc:title>
    <dc:creator xmlns:dc="http://purl.org/dc/elements/1.1/">
   Geus, J.G. De
  </dc:creator>
    <dc:type xmlns:dc="http://purl.org/dc/elements/1.1/">text</dc:type>
    <dc:publisher xmlns:dc="http://purl.org/dc/elements/1.1/">Zurich Centre d'Etude de I'Azote</dc:publisher>
    <dc:date xmlns:dc="http://purl.org/dc/elements/1.1/">1970</dc:date>
    <dc:language xmlns:dc="http://purl.org/dc/elements/1.1/">Ing</dc:language>
    <dc:subject xmlns:dc="http://purl.org/dc/elements/1.1/">GRAIN CROPS</dc:subject>
    <dc:subject xmlns:dc="http://purl.org/dc/elements/1.1/">FERTILIZER APPLICATION</dc:subject>
    <dc:subject xmlns:dc="http://purl.org/dc/elements/1.1/">TROPIZAL ZONES</dc:subject>
    <dc:subject xmlns:dc="http://purl.org/dc/elements/1.1/">SUBTROPICALZONES</dc:subject>
    <dc:subject xmlns:dc="http://purl.org/dc/elements/1.1/">GUIDELINES</dc:subject>
  </oai_dc:dc>
</oai_dc:dcCollection>