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Phosphor-Fraktionierung

Phosphor-Fraktionierung


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About the Book

Das Verständnis der P-Umwandlungen nach organischen Veränderungen infolge der Zugabe zu stark kalkhaltigen Böden ist notwendig, um bessere Managementpraktiken zu entwickeln, die dazu beitragen können, die Effizienz des P-Düngereinsatzes zu steigern. Die Löslichkeit und Verfügbarkeit von Phosphor für die Pflanzenaufnahme ist unter den Bedingungen eines trockenen, kalkhaltigen Bodens sehr gering, was die P-Nährstoffversorgung unter diesen Bedingungen zu einem kritischen Problem macht. Ziel dieser Studie war es, die Auswirkungen verschiedener Arten organischer Zusätze (Hühnerkompost, Kuhkompost und eine Mischung aus Huminstoff-Fulvinsäure) zu bewerten, die allein mit unterschiedlichen Raten von KH2PO4-Dünger auf die P-Fraktionen in kalkhaltigem Boden unter Verwendung einer sequentiellen chemischen Extraktionsmethode ausgebracht wurden. Geänderter kalkhaltiger Boden wurde unter Laborbedingungen inkubiert, und Bodenproben wurden nach 0, 4, 8 und 16 Wochen der Inkubationszeit entnommen. Der Boden wurde sequentiell extrahiert und auf verschiedene P-Fraktionen analysiert. Die Ergebnisse deuteten darauf hin, dass die Zugabe von Hühner- und Kuhkompost die löslichen und austauschbaren P- und Ca-P-Fraktionen in kalkhaltiger Erde erhöhte und die Erhöhungen von den Aufwandmengen abhängen. Die Ergebnisse zeigten, dass die Kombination von Hühner- und Kuhkompost mit unterschiedlicher KH2PO4-Düngerausbringmenge zu einer Erhöhung der löslichen und austauschbaren P- und Ca-P-Fraktionen in kalkhaltigem Boden führte.


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Product Details
  • ISBN-13: 9786202900416
  • Publisher: KS Omniscriptum Publishing
  • Publisher Imprint: Verlag Unser Wissen
  • Height: 229 mm
  • No of Pages: 60
  • Spine Width: 4 mm
  • Width: 152 mm
  • ISBN-10: 6202900415
  • Publisher Date: 08 Dec 2020
  • Binding: Paperback
  • Language: German
  • Returnable: N
  • Weight: 150 gr


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