für 44.10€ kaufen ··· 9783847349341 ··· 103611196 ··· The transformation of insoluble organic N via particulate and dissolved organic matter (POM and DOM) into inorganic N may represent the bottle neck mechanism in N mineralization. However, it is unknown how POM fractions are related to DOM pools, and how these particulate and dissolved pools are quantitatively involved in N mineralization. To understand and quantify the fate of these pools in N mineralization, we conducted an incubation experiment with 15N labeled radish residues to trace the flow of 15N through the different N pools. POM was fractionated with density fractionation as light and heavy fraction (LF and HF). Our analysis showed that neither DON nor POM function as a distinct N source fraction in soil. The collected DOM was predominantly recalcitrant (~80%), suggesting that the bioavailable DOM fraction cannot be measured with current sampling techniques. Hersteller: LAP Lambert Academic Publishing Marke: LAP Lambert Academic Publishing EAN: 9783847349341 Kat: Hardcover/Naturwissenschaften, Medizin, Informatik, Technik/Biologie/Landwirtschaft, Gartenbau, Forstwirtschaft, Fischerei, Ernährung Lieferzeit: Sofort lieferbar Versandkosten: Ab 20¤ Versandkostenfrei in Deutschland Icon: https://www.inforius-bilder.de/bild/?I=Z0lJp99bBNCmXl1fl0K1rOuhagS8hMN0BJ35AWX2JMA%3D Bild:
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