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Concerning the extraction of enzymatically active organic matter from soil

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Riassunto

Una soluzione di pirofosfato sodico 0,1M a pH 7 estrae da un podzol, rispetto ad altre soluzioni impiegate la maggiore quantità di ureasi, sostanza organica ed azoto aminoacidico. Né l'uso degli ultrasuoni né la tecnica «in doppia fase», in presenza di una soluzione di acetilacetone al 5% in benzene, migliorano la resa di estrazione. I risultati sembrano confermare l'ipotesi che occorra una completa rimozione della sostanza organica non attiva, prima che possa iniziare l'estrazione dei complessi enzimaticamente attivi.

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Literatur

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Authors and Affiliations

  1. Laboratorio per la Chimica del Terreno del C.N.R., Via Corridoni 78, I-56100, Pisa, Italy

    P. Nannipieri, S. Cervelli & F. Pedrazzini

Authors
  1. P. Nannipieri
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  2. S. Cervelli
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  3. F. Pedrazzini
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Nannipieri, P., Cervelli, S. & Pedrazzini, F. Concerning the extraction of enzymatically active organic matter from soil. Experientia 31, 513–515 (1975). https://doi.org/10.1007/BF01932429

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  • DOI: https://doi.org/10.1007/BF01932429

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