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Soil value
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<h2 id="range-of-values">Range of values</h2> <p>The following colour scheme is used referring to the soil quality for certain ranges of values:<a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a> </p> <table><tbody><tr><td>Soil quality</td><td>Range of values</td><td>Color</td></tr><tr><td>Very poor</td><td>0–18</td><td>brown</td></tr><tr><td>Poor</td><td>18–35</td><td>red</td></tr><tr><td>Medium</td><td>35–55</td><td>orange</td></tr><tr><td>High</td><td>55–75</td><td>yellow</td></tr><tr><td>Very High</td><td>75–100</td><td>green</td></tr></tbody></table> <p>The values exhibited by different types of soil are:<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a> </p> <table><tbody><tr><td>Type of soil</td><td>Range of values</td></tr><tr><td><a href="/facts/Sand/MdTIt0M8">Sand</a></td><td>0–11</td></tr><tr><td>Sandy <a href="/facts/Loam/R8parQXe">loam</a></td><td>11–30</td></tr><tr><td>Heavy to <a href="/facts/Clay/xnwouEkB">clayey</a> loam</td><td>31–50</td></tr><tr><td>Loam, partly with loess covering</td><td>51–70</td></tr><tr><td>Loam with loess covering</td><td>71–90</td></tr><tr><td><a href="/facts/Loess/VpFUed3E">Loess</a></td><td>91–100</td></tr></tbody></table> <h2 id="origins">Origins</h2> <p>As a yardstick for soil quality, a "Reich Standard Farm" was set up during the <a href="/facts/Third_Reich/8kRbqRpo">Third Reich</a> in the parish of <a href="/facts/Eickendorf_(B%C3%B6rdeland)/Yb8B13lv">Eickendorf</a> in the <a href="/facts/Magdeburger_B%C3%B6rde/BD0yIR9G">Magdeburger Börde</a>, an exceptionally rich arable region. During the Reich Soil Assessment (<i>Reichsbodenschätzung</i>) following the Soil Assessment Act in 1934 a soil value of 100 was established in the leading Reich farm of <i>Haberhauffe/Jäger</i>. It was the basis of comparison for the tax rating of farms in Germany. Since this farm was no longer available for comparisons within <a href="/facts/West_Germany/oCydk787">West Germany</a> after the <a href="/facts/Second_World_War/2efV5L1U">Second World War</a>, a farm in Machtsum near <a href="/facts/Harsum/IcS6372U">Harsum</a> in the <a href="/facts/Hildesheim_B%C3%B6rde/gwFFc9Ud">Hildesheim Börde</a> was designated as the Federal Standard Farm. During later measurements, an even higher value of BWZ – 102.8 – was measured in Mölme, about 20 km east of Hildesheim within the municipality of <a href="/facts/S%C3%B6hlde/AAMexAkk">Söhlde</a>. It is the highest value ever recorded in Germany. </p><p>Another measure, the field value (<i>Ackerzahl</i>), is derived from the soil value, taking account of other factors such as climate and location e.g. along the edge of woodland. </p> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Soil_classification/gru7kDvL">Soil classification</a></li> <li><a href="/facts/Soil_quality/2mDaaCxb">Soil quality</a></li> <li><a href="/facts/Soil_science/nJ9SxpEE">Soil science</a></li> <li><a href="/facts/Soil_Use_Efficiency/JVoRt40g">Soil Use Efficiency</a></li> <li><a href="/facts/Crop_yield/hmE59fhk">Crop yield</a></li></ul> <h2 id="external-links">External links</h2> <ul><li><a href="http://www.gd.nrw.de/g_bkwert.htm"><i>Wertzahlen der Bodenschätzung</i></a> <a href="https://web.archive.org/web/20160929093443/http://www3.gd.nrw.de/g_bkwert.htm">Archived</a> 2016-09-29 at the <a href="/facts/Wayback_Machine/nmQ3a6JC">Wayback Machine</a> at www.gd.nrw.de. Accessed on 2 Sep 2012.</li> <li><a href="https://web.archive.org/web/20081017194555/http://www.landkreis-schoenebeck.de/lk/gemeinden_htm/l5_8.htm">Eickendorf</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Wertzahlen der Bodenschätzung Archived 2016-09-29 at the Wayback Machine at www.gd.nrw.de. Accessed on 2 Sep 2012. <a href="http://www.gd.nrw.de/g_bkwert.htm" target="_blank">http://www.gd.nrw.de/g_bkwert.htm</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Wertzahlen der Bodenschätzung Archived 2016-09-29 at the Wayback Machine at www.gd.nrw.de. Accessed on 2 Sep 2012. <a href="http://www.gd.nrw.de/g_bkwert.htm" target="_blank">http://www.gd.nrw.de/g_bkwert.htm</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Antragsunterlagen Raumordnungsverfahren für den Neubau einer MonoDeponie, p. 70, Landkreis Wesermarsch, 5 November 2014, PDF file, 55,5 MB, p. 79 <a href="http://www.landkreis-wesermarsch.de/uploads/files/antragsunterlagen_bericht_final_2014-11-15_komplett_teil_1-bericht_und_anlagen.pdf" target="_blank">http://www.landkreis-wesermarsch.de/uploads/files/antragsunterlagen_bericht_final_2014-11-15_komplett_teil_1-bericht_und_anlagen.pdf</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> </ol>