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Valutazione dell’attività dell’ureasi e della respirazione

Valutazione dell’attività dell’ureasi e della respirazione

Bina Rani Majumder / Mohammad Zaber Hossain

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Editorial:
KS OmniScriptum Publishing
Año de edición:
2026
Materia
Biologia, ciencias de la vida
ISBN:
9786630214253
72,02 €
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L’urea, utilizzata come fertilizzante, viene idrolizzata enzimaticamente dall’ureasi del suolo, con conseguente rilascio di ammoniaca e aumento del pH. L’attività dell’ureasi è strettamente correlata al regime colturale. L’attività dell’ureasi è risultata negativamente correlata alla conducibilità elettrica (EC) e all’azoto totale (N) e positivamente correlata al carbonio organico, pH, C microbico e N. La respirazione del suolo ha mostrato una relazione inversa con l’umidità del suolo, la percentuale di argilla e il C della biomassa microbica, e una correlazione positiva con il pH del suolo e il C organico. Questo studio ha dimostrato che il regime colturale ha influenzato in modo significativo l’attività dell’ureasi. L’attività più elevata dell’enzima analizzato è stata osservata laddove era stata mantenuta la rotazione con frutteti ed esiste una forte relazione tra l’attività dell’ureasi del suolo e le proprietà del suolo nei diversi regimi colturali.

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