The objective of this study was to determine the potassium (K) release kinetics of sandy soil sample representative soil of Egyptian new reclaimed areas as affected by treatments of different rates of compost and chemical fertilizers applied individually or mixture of both type sand the effect of two irrigation regimes i.e. 80 and 60% of water requirements IR. Four mathematical models (power function, Elovich, parabolic diffusion and first-order) were used to fitted the data describe K desorption reactions involving 168-hr cumulative reaction time. Comparison of the models using the coefficient of determination (r2) and the standard error of the estimate (SE) indicated that the Elovich and the power function equations overall displayed the best fitted ones. The first-order rate and for less extent, parabolic diffusion equation were less fitted to describe the kinetic data. The constants of the best fitted models represent the rate of K release indicated that all treatments applied to soil gave high and significant increase in rate of K release compared to the control (untreated soil). According to the same constants values, the organic fertilizer applied was the lowest one, meanwhile the chemical one was the highest values, the mixture treatments values, however, were in between the chemical and organic treatments. In addition, the 80% of IR gave the best water management in having both high K adsorption from used soil and significant K uptake by corn plant.
Published in | American Journal of Heterocyclic Chemistry (Volume 3, Issue 6) |
DOI | 10.11648/j.ajhc.20170306.14 |
Page(s) | 78-85 |
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This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
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Copyright © The Author(s), 2017. Published by Science Publishing Group |
Kinetic Methods, Potassium Adsorption, Kinetic Models, Power Function Equation
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APA Style
Monier Morad Wahba, Amal M. Aziz, Alaa M. Zaghloul. (2017). Evaluation of Kinetic Approach in Describing Potassium Bioavailability. American Journal of Heterocyclic Chemistry, 3(6), 78-85. https://doi.org/10.11648/j.ajhc.20170306.14
ACS Style
Monier Morad Wahba; Amal M. Aziz; Alaa M. Zaghloul. Evaluation of Kinetic Approach in Describing Potassium Bioavailability. Am. J. Heterocycl. Chem. 2017, 3(6), 78-85. doi: 10.11648/j.ajhc.20170306.14
AMA Style
Monier Morad Wahba, Amal M. Aziz, Alaa M. Zaghloul. Evaluation of Kinetic Approach in Describing Potassium Bioavailability. Am J Heterocycl Chem. 2017;3(6):78-85. doi: 10.11648/j.ajhc.20170306.14
@article{10.11648/j.ajhc.20170306.14, author = {Monier Morad Wahba and Amal M. Aziz and Alaa M. Zaghloul}, title = {Evaluation of Kinetic Approach in Describing Potassium Bioavailability}, journal = {American Journal of Heterocyclic Chemistry}, volume = {3}, number = {6}, pages = {78-85}, doi = {10.11648/j.ajhc.20170306.14}, url = {https://doi.org/10.11648/j.ajhc.20170306.14}, eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajhc.20170306.14}, abstract = {The objective of this study was to determine the potassium (K) release kinetics of sandy soil sample representative soil of Egyptian new reclaimed areas as affected by treatments of different rates of compost and chemical fertilizers applied individually or mixture of both type sand the effect of two irrigation regimes i.e. 80 and 60% of water requirements IR. Four mathematical models (power function, Elovich, parabolic diffusion and first-order) were used to fitted the data describe K desorption reactions involving 168-hr cumulative reaction time. Comparison of the models using the coefficient of determination (r2) and the standard error of the estimate (SE) indicated that the Elovich and the power function equations overall displayed the best fitted ones. The first-order rate and for less extent, parabolic diffusion equation were less fitted to describe the kinetic data. The constants of the best fitted models represent the rate of K release indicated that all treatments applied to soil gave high and significant increase in rate of K release compared to the control (untreated soil). According to the same constants values, the organic fertilizer applied was the lowest one, meanwhile the chemical one was the highest values, the mixture treatments values, however, were in between the chemical and organic treatments. In addition, the 80% of IR gave the best water management in having both high K adsorption from used soil and significant K uptake by corn plant.}, year = {2017} }
TY - JOUR T1 - Evaluation of Kinetic Approach in Describing Potassium Bioavailability AU - Monier Morad Wahba AU - Amal M. Aziz AU - Alaa M. Zaghloul Y1 - 2017/12/26 PY - 2017 N1 - https://doi.org/10.11648/j.ajhc.20170306.14 DO - 10.11648/j.ajhc.20170306.14 T2 - American Journal of Heterocyclic Chemistry JF - American Journal of Heterocyclic Chemistry JO - American Journal of Heterocyclic Chemistry SP - 78 EP - 85 PB - Science Publishing Group SN - 2575-5722 UR - https://doi.org/10.11648/j.ajhc.20170306.14 AB - The objective of this study was to determine the potassium (K) release kinetics of sandy soil sample representative soil of Egyptian new reclaimed areas as affected by treatments of different rates of compost and chemical fertilizers applied individually or mixture of both type sand the effect of two irrigation regimes i.e. 80 and 60% of water requirements IR. Four mathematical models (power function, Elovich, parabolic diffusion and first-order) were used to fitted the data describe K desorption reactions involving 168-hr cumulative reaction time. Comparison of the models using the coefficient of determination (r2) and the standard error of the estimate (SE) indicated that the Elovich and the power function equations overall displayed the best fitted ones. The first-order rate and for less extent, parabolic diffusion equation were less fitted to describe the kinetic data. The constants of the best fitted models represent the rate of K release indicated that all treatments applied to soil gave high and significant increase in rate of K release compared to the control (untreated soil). According to the same constants values, the organic fertilizer applied was the lowest one, meanwhile the chemical one was the highest values, the mixture treatments values, however, were in between the chemical and organic treatments. In addition, the 80% of IR gave the best water management in having both high K adsorption from used soil and significant K uptake by corn plant. VL - 3 IS - 6 ER -