INTERPRETATION OF THE RELATIONSHIPS BETWEEN L-ASPARAGINASE AND UREASE ACTIVITIES WITH SOME SOIL PROPERTIES USING PATH ANALYSIS

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NOURBAKHSH FARSHID; SHARIAT MADARI H.; REZAEI ABD ALMAJID

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Journal: THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA) Year:2006 | Volume:29 | Issue:2 Page(s): 117-126

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Title

INTERPRETATION OF THE RELATIONSHIPS BETWEEN L-ASPARAGINASE AND UREASE ACTIVITIES WITH SOME SOIL PROPERTIES USING PATH ANALYSIS

Author(s)

NOURBAKHSH FARSHID | SHARIAT MADARI H. | REZAEI ABD ALMAJID | Issue Writer Certificate

Keywords

UREASE ACTIVITYQ3

L-ASPARAGINASE ACTIVITYQ3

PATH ANALYSISQ3

SOIL PROPERTIESQ3

Abstract

The relationships between L-asparaginase and urease activities with some soil characteristics were addressed. Simple linear and stepwise regressions, principle component analysis and PATH ANALYSIS have been used to demonstrate the associations. Twenty different soil series from Isfahan province were selected; the soils represent the soil variability of the region. Results indicated that L-asparaginase and urease activities are significantly correlated with soil organic carbon (OC) and total nitrogen (TN). No significant relationships were observed between the activity of the enzymes and particle size distribution, PH, cation exchange capacity (CEC) and calcium carbonate equivalent (CCE). Stepwise regression revealed that only OC could enter the model. Principle component analysis supported the results obtained by regression analysis. The significant relationship between the activities of the enzymes and TN was debatable because the role of soil nitrogen in adsorption and immobilization of the enzyme molecules were not previously demonstrated. PATH ANALYSIS indicated that OC is directly related to the activities of the enzymes whereas the direct effect of TN on L-asparaginase and urease activities is low. Therefore the associations of TN with the soil enzyme activities are mainly indirect due to strong correlation of OC and TN.

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APA: Copy

NOURBAKHSH, FARSHID, SHARIAT MADARI, H., & REZAEI, ABD ALMAJID. (2006). INTERPRETATION OF THE RELATIONSHIPS BETWEEN L-ASPARAGINASE AND UREASE ACTIVITIES WITH SOME SOIL PROPERTIES USING PATH ANALYSIS. THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA), 29(2), 117-126. SID. https://sid.ir/paper/24840/en

Vancouver: Copy

NOURBAKHSH FARSHID, SHARIAT MADARI H., REZAEI ABD ALMAJID. INTERPRETATION OF THE RELATIONSHIPS BETWEEN L-ASPARAGINASE AND UREASE ACTIVITIES WITH SOME SOIL PROPERTIES USING PATH ANALYSIS. THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA)[Internet]. 2006;29(2):117-126. Available from: https://sid.ir/paper/24840/en

IEEE: Copy

FARSHID NOURBAKHSH, H. SHARIAT MADARI, and ABD ALMAJID REZAEI, “INTERPRETATION OF THE RELATIONSHIPS BETWEEN L-ASPARAGINASE AND UREASE ACTIVITIES WITH SOME SOIL PROPERTIES USING PATH ANALYSIS,” THE SCIENTIFIC JOURNAL OF AGRICULTURE (SJA), vol. 29, no. 2, pp. 117–126, 2006, [Online]. Available: https://sid.ir/paper/24840/en

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