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Assessment of Soil Urease Activity and Its Kinetic Parameters in Chilli Rhizosphere under the Influence of Pesticides.

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Τίτλος: Assessment of Soil Urease Activity and Its Kinetic Parameters in Chilli Rhizosphere under the Influence of Pesticides.
Συγγραφείς: KUMAR, ASHUTOSH, IMRAN, MOHD., KUMAR, S. P. JEEVAN, KUMAR, MADAN, SINGH, ARVIND NATH, SRIVASTAVA, ALOK KUMAR
Πηγή: Biopesticides International; Jan-Jun2018, Vol. 14 Issue 1, p47-57, 11p
Θεματικοί όροι: Pesticide analysis, Urease, Rhizosphere microbiology, Ammonium, Parameter estimation
Περίληψη: Urease activity in the soil and its kinetic parameters (Vmax and Km) were greatly influenced by the addition of pesticide amendments to the soil. The average soil urease activity was low when soils were treated with pesticides (35.21 µg NH4/g dry soil/h) than non-pesticide applied soils (36.07 µg NH4/g dry soil/h). The kinetic parameters (Vmax, Km, and Vmax/Km) recorded for urease enzyme in the untreated soils showed higher Vmax (34.48 mM/h) and lower Km (14 mM) as compared to the soils applied with pesticides (33.33 mM/h and Km 15 mM). The current investigation in examined sites of the eastern plain of Uttar Pradesh in chilli rhizosphere revealed that the non-pesticide-treated soils had 2.4% higher soil urease activity than the pesticide-applied soils, which signifies the release of ammonium that may enhance the nutrient availability. [ABSTRACT FROM AUTHOR]
Copyright of Biopesticides International is the property of Connect Journals and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Assessment of Soil Urease Activity and Its Kinetic Parameters in Chilli Rhizosphere under the Influence of Pesticides.
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  Data: Biopesticides International; Jan-Jun2018, Vol. 14 Issue 1, p47-57, 11p
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  Data: <searchLink fieldCode="DE" term="%22Pesticide+analysis%22">Pesticide analysis</searchLink><br /><searchLink fieldCode="DE" term="%22Urease%22">Urease</searchLink><br /><searchLink fieldCode="DE" term="%22Rhizosphere+microbiology%22">Rhizosphere microbiology</searchLink><br /><searchLink fieldCode="DE" term="%22Ammonium%22">Ammonium</searchLink><br /><searchLink fieldCode="DE" term="%22Parameter+estimation%22">Parameter estimation</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: Urease activity in the soil and its kinetic parameters (Vmax and Km) were greatly influenced by the addition of pesticide amendments to the soil. The average soil urease activity was low when soils were treated with pesticides (35.21 µg NH4/g dry soil/h) than non-pesticide applied soils (36.07 µg NH4/g dry soil/h). The kinetic parameters (Vmax, Km, and Vmax/Km) recorded for urease enzyme in the untreated soils showed higher Vmax (34.48 mM/h) and lower Km (14 mM) as compared to the soils applied with pesticides (33.33 mM/h and Km 15 mM). The current investigation in examined sites of the eastern plain of Uttar Pradesh in chilli rhizosphere revealed that the non-pesticide-treated soils had 2.4% higher soil urease activity than the pesticide-applied soils, which signifies the release of ammonium that may enhance the nutrient availability. [ABSTRACT FROM AUTHOR]
– Name: Abstract
  Label:
  Group: Ab
  Data: <i>Copyright of Biopesticides International is the property of Connect Journals and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Code: eng
        Text: English
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        Type: general
      – SubjectFull: Urease
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      – SubjectFull: Rhizosphere microbiology
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      – SubjectFull: Ammonium
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      – SubjectFull: Parameter estimation
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              Text: Jan-Jun2018
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