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      <epdcx:valueString>Entwicklung der Grundnährstoffgehalte in einem schwach lehmigen Sandboden Nordostdeutschlands nach langjähriger ökologischer Bewirtschaftung</epdcx:valueString>
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      <epdcx:valueString>The following paper shows the impact of organic farming on the development of contents of phosphorus, potassium and magnesium in the soil. The basis is a six-year crop rotation with animal manures (85 dt/ha/a) in the location of Gülzow (Mecklenburg- Prepomerania). From 1993 to 2004 samples of soil were taken with aan soil auger in a depth between 0 and 30 cm. The discussion of changes in chances of the nutrient contents nutriens content is connected with nutrient balances. As a result, nutrients bilances, witch are in balance. On this time the the contents of potassium shows decreasing tendency. Organic farming does notno lead to lower contents of phosphorus and magnesium. The impacts of soil and year are high.</epdcx:valueString>
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    <epdcx:statement epdcx:propertyURI="http://purl.org/dc/elements/dc/elements/1.1/creator">Gruber, Dr. Harriet</epdcx:statement>
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      <epdcx:valueString>Entwicklung der Grundnährstoffgehalte in einem schwach lehmigen Sandboden Nordostdeutschlands nach langjähriger ökologischer Bewirtschaftung</epdcx:valueString>
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    <epdcx:statement epdcx:propertyURI="http://purl.org/dc/terms/available">2005-03-05</epdcx:statement>
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    <epdcx:statement epdcx:propertyURI="http://purl.org/dc/terms/bibliographicCitation">Gruber, Dr. Harriet and Thamm, Uwe (2005) Entwicklung der Grundnährstoffgehalte in einem schwach lehmigen Sandboden Nordostdeutschlands nach langjähriger ökologischer Bewirtschaftung. [The development of contents of phosphorus, potassium and magnesium in organic farming on sandy soil in north-east germany.] 8. Wissenschaftstagung Ökologischer Landbau 2005 - Ende der Nische, Kassel, 1.-4. März 2005. In: Heß, J and Rahmann, G (Eds.) Ende der Nische, Beiträge zur 8. Wissenschaftstagung Ökologischer Landbau, kassel university press GmbH, Kassel.</epdcx:statement>
    <epdcx:statement epdcx:propertyURI="http://www.loc.gov/loc.terms/relators/EDT">Heß, J</epdcx:statement>
    <epdcx:statement epdcx:propertyURI="http://www.loc.gov/loc.terms/relators/EDT">Rahmann, G</epdcx:statement>
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