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<h1 id="firstHeading" class="firstHeading mw-first-heading"><span class="mw-page-title-main">Akadamaerde</span></h1>
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<p><b>Akadama-Erde</b> (<a href="Japanische_Schrift" title="Japanische Schrift">jap.</a> <span lang="ja-Jpan" class="Jpan">赤玉土</span>, <i>Akadamatsuchi</i>, dt. „rote-Kugeln-Erde“) ist ein ein- oder mehrfach getrocknetes rein mineralisches Granulat ohne organische Bestandteile. Es wird aus Vulkanaschenlehm aus der <a href="Japan" title="Japan">japanischen</a> <a href="Kant%C5%8D" title="Kantō">Kantō</a>-Region gewonnen.<sup id="cite_ref-garden.memetan_1-0" class="reference"><a href="#cite_note-garden.memetan-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup><sup id="cite_ref-:0_2-0" class="reference"><a href="#cite_note-:0-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup>
</p><p>Akadama ist mit einem <a href="PH-Wert" title="PH-Wert">pH-Wert</a> von 5 bis 6<sup id="cite_ref-:0_2-1" class="reference"><a href="#cite_note-:0-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> schwach sauer, kann durch seine Porosität Wasser speichern und hat durch die grobe Körnung eine hohe Luftdurchlässigkeit, da zwischen den Granulatpartikeln Raum verbleibt. Akadama ist in zwei Qualitätsstufen verfügbar: aus bei 600 bis 900 °C<sup id="cite_ref-:0_2-2" class="reference"><a href="#cite_note-:0-2"><span class="cite-bracket">[</span>2<span class="cite-bracket">]</span></a></sup> gebrannten Lehm hergestellte „harte Qualität“ (<span lang="ja-Jpan" class="Jpan">硬質</span>, <i>kōshitsu</i>) und nicht gebrannte „hohe Qualität“ (<span lang="ja-Jpan" class="Jpan">上質</span>, <i>jōshitsu</i>). Erstere wird für <a href="Bonsai" title="Bonsai">Bonsai</a> verwendet und letztere für Schnittblumen.<sup id="cite_ref-garden.memetan_1-1" class="reference"><a href="#cite_note-garden.memetan-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup>
</p><p>Nachteilig für den Einsatz von nicht gebrannter Akadamaerde für Bonsais ist, dass diese bei Frosteinwirkung zu Lehm zerfällt, der wiederum weitgehend wasserundurchlässig ist. Dieses Verhalten kann zur Schädigung von Bonsais bis hin zum Ausfall führen, weshalb professionelle Bonsaigestalter auf andere – frostsichere – mineralische Substrate wie <a href="Bims" title="Bims">Bims</a>, <a href="Lava" title="Lava">Lava</a>, <a href="Zeolith" class="mw-redirect mw-disambig" title="Zeolith">Zeolith</a>, <a href="Bl%C3%A4hton" title="Blähton">Blähton</a>, Ziegelbruch und ähnliche Granulate zurückgreifen.<sup id="cite_ref-Lewis_3-0" class="reference"><a href="#cite_note-Lewis-3"><span class="cite-bracket">[</span>3<span class="cite-bracket">]</span></a></sup>
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<div class="mw-heading mw-heading2"><h2 id="Siehe_auch">Siehe auch</h2></div>
<ul><li><a href="Kiryuerde" title="Kiryuerde">Kiryuerde</a></li></ul>
<div class="mw-heading mw-heading2"><h2 id="Einzelnachweise">Einzelnachweise</h2></div>
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<li id="cite_note-garden.memetan-1"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-garden.memetan_1-0">a</a></sup> <sup><a href="#cite_ref-garden.memetan_1-1">b</a></sup></span> <span class="reference-text"><span class="cite"><a rel="nofollow" class="external text" href="http://garden.memetan.com/yougo-01.html"><i><span lang="ja-Jpan" class="Jpan">赤玉土（あかだまつち）</span>.</i></a> In: <i><span lang="ja-Jpan" class="Jpan">ガーデニング・フラワー</span>.</i><span class="Abrufdatum"> Abgerufen am 23. Mai 2011</span> (japanisch).</span><span style="display: none;" class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2Fde.wikipedia.org%3AAkadamaerde&rft.title=%3Cspan+lang%3D%22ja-Jpan%22+class%3D%22Jpan%22%3E%E8%B5%A4%E7%8E%89%E5%9C%9F%EF%BC%88%E3%81%82%E3%81%8B%E3%81%A0%E3%81%BE%E3%81%A4%E3%81%A1%EF%BC%89%3C%2Fspan%3E&rft.description=%3Cspan+lang%3D%22ja-Jpan%22+class%3D%22Jpan%22%3E%E8%B5%A4%E7%8E%89%E5%9C%9F%EF%BC%88%E3%81%82%E3%81%8B%E3%81%A0%E3%81%BE%E3%81%A4%E3%81%A1%EF%BC%89%3C%2Fspan%3E&rft.identifier=http%3A%2F%2Fgarden.memetan.com%2Fyougo-01.html&rft.language=ja"> </span></span>
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<li id="cite_note-:0-2"><span class="mw-cite-backlink">↑ <sup><a href="#cite_ref-:0_2-0">a</a></sup> <sup><a href="#cite_ref-:0_2-1">b</a></sup> <sup><a href="#cite_ref-:0_2-2">c</a></sup></span> <span class="reference-text"><span class="cite"><a rel="nofollow" class="external text" href="https://horti.jp/9235"><i><span lang="ja-Jpan" class="Jpan">赤玉土、硬質赤玉土、焼き赤玉土とは？使い方や鹿沼土との違いは？</span></i></a> In: <i>horti.</i><span class="Abrufdatum"> Abgerufen am 20. April 2016</span> (japanisch).</span><span style="display: none;" class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2Fde.wikipedia.org%3AAkadamaerde&rft.title=%3Cspan+lang%3D%22ja-Jpan%22+class%3D%22Jpan%22%3E%E8%B5%A4%E7%8E%89%E5%9C%9F%E3%80%81%E7%A1%AC%E8%B3%AA%E8%B5%A4%E7%8E%89%E5%9C%9F%E3%80%81%E7%84%BC%E3%81%8D%E8%B5%A4%E7%8E%89%E5%9C%9F%E3%81%A8%E3%81%AF%EF%BC%9F%E4%BD%BF%E3%81%84%E6%96%B9%E3%82%84%E9%B9%BF%E6%B2%BC%E5%9C%9F%E3%81%A8%E3%81%AE%E9%81%95%E3%81%84%E3%81%AF%EF%BC%9F%3C%2Fspan%3E&rft.description=%3Cspan+lang%3D%22ja-Jpan%22+class%3D%22Jpan%22%3E%E8%B5%A4%E7%8E%89%E5%9C%9F%E3%80%81%E7%A1%AC%E8%B3%AA%E8%B5%A4%E7%8E%89%E5%9C%9F%E3%80%81%E7%84%BC%E3%81%8D%E8%B5%A4%E7%8E%89%E5%9C%9F%E3%81%A8%E3%81%AF%EF%BC%9F%E4%BD%BF%E3%81%84%E6%96%B9%E3%82%84%E9%B9%BF%E6%B2%BC%E5%9C%9F%E3%81%A8%E3%81%AE%E9%81%95%E3%81%84%E3%81%AF%EF%BC%9F%3C%2Fspan%3E&rft.identifier=https%3A%2F%2Fhorti.jp%2F9235&rft.language=ja"> </span></span>
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<li id="cite_note-Lewis-3"><span class="mw-cite-backlink"><a href="#cite_ref-Lewis_3-0">↑</a></span> <span class="reference-text">Colin Lewis: <cite style="font-style:italic">Mineral Components</cite>. In: <cite style="font-style:italic">Colin Lewis Bonsai Art</cite>. (<a rel="nofollow" class="external text" href="https://web.archive.org/web/20230514220241/https://www.colinlewisbonsai.com/Reading/soils2.html">colinlewisbonsai.com</a> (<span class="webarchiv-memento"><a href="Webarchivierung#Begrifflichkeiten" title="Webarchivierung">Memento</a></span> des <style data-mw-deduplicate="TemplateStyles:r250917974">
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</style><span class="dewiki-iconexternal"><a class="external text" href="https://redirecter.toolforge.org/?url=http%3A%2F%2Fwww.colinlewisbonsai.com%2FReading%2Fsoils2.html">Originals</a></span> vom 14. Mai 2023 im <i><a href="Internet_Archive" title="Internet Archive">Internet Archive</a></i>) [abgerufen am 25. Mai 2016]).<span class="Z3988" title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rfr_id=info:sid/de.wikipedia.org:Akadamaerde&rft.atitle=Mineral+Components&rft.au=Colin%26%2332%3BLewis&rft.btitle=Colin+Lewis+Bonsai+Art&rft.genre=book" style="display:none"> </span> <small class="archiv-bot"><span class="wp_boppel noviewer" aria-hidden="true" role="presentation"><span typeof="mw:File"><span title="i"></span></span></span> <b>Info:</b> Der Archivlink wurde automatisch eingesetzt und noch nicht geprüft. Bitte prüfe Original- und Archivlink gemäß Anleitung und entferne dann diesen Hinweis.</small><span style="display:none"><a rel="nofollow" class="external text" href="http://IABotmemento.invalid/http://www.colinlewisbonsai.com/Reading/soils2.html">@1</a></span><span style="display:none"><a rel="nofollow" class="external text" href="http://www.colinlewisbonsai.com/Reading/soils2.html">@2</a></span><span style="display:none">Vorlage:Webachiv/IABot/www.colinlewisbonsai.com</span></span>
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