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Avaliação da Atividade da Urease e da Respiração

Avaliação da Atividade da Urease e da Respiração

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:
9786630216813
72,02 €
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A ureia é utilizada como fertilizante, sendo hidrolisada enzimaticamente pela urease do solo, o que resulta na libertação de amoníaco e no aumento do pH. Esta atividade da urease está intimamente relacionada com o padrão de cultivo. A atividade da urease apresentou uma correlação negativa com a condutividade elétrica (CE) e o azoto total, e uma correlação positiva com o carbono orgânico, pH, carbono microbiano e azoto microbiano. A respiração do solo apresentou uma relação inversa com a humidade do solo, a percentagem de argila e o carbono da biomassa microbiana, e uma correlação positiva com o pH do solo e o carbono orgânico. Este estudo demonstrou que o regime de culturas afetou significativamente a atividade da urease. A atividade mais elevada da enzima analisada foi observada onde se manteve a rotação de pomares, existindo uma forte relação entre a atividade da urease do solo e as propriedades do solo em diferentes regimes de culturas.

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