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225471

Influence of Some Organic Acids on Availability and Adsorption of Phosphorus as well as Corn Growth in A Clay Soil

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Last updated: 05 Jan 2025

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Abstract

Hypotheses that have been tested for this study are the effects of some organic acids on availability and adsorption of phosphorus (P) in clay soil as well as corn growth and phosphorus uptake. In a pot experiment the used organic acids [citric, tartaric and their mixture at ratio of 1:1 (w/w)], were added to soil at levels of 0, 0.2, 0.5 and 1% (w/w). This experiment was arranged in a randomized complete design with three replicates and planted by corn. The results obtained in this study reveal that organic acids addition significantly reduced P availability (Olsen-P) from 11.9 mg kgā€’1 for control to 8.0 mg kgā€’1 at 0.5 % level of citric and mixture of citric and tartaric acids. The maximal adsorption capacity of phosphorus (b) significantly increased with additions of organic acids. Applying mixture of citric and tartaric acids increased significantly sorption intensity constant (n). A significant increase of the sorption capacity constant (Kf) happened with mixed citric and tartaric acids at all concentrations. But, adding 1% citric acid and 1% tartaric acid to clay soil caused significant decreases in Kf parameter of phosphorus. The fresh weight of corn and P uptake were enhanced significantly with the addition of organic acids.

DOI

10.21608/ajsws.2018.225471

Keywords

phosphorus availability, Citric, tartaric, sorption intensity, phosphorus sorption

Authors

First Name

Abu El-Eyuoon

Last Name

Amin

MiddleName

Abu Zied

Affiliation

Assiut University, Soils and Water Department, Faculty of Agriculture, Assiut, Egypt, P.O. Box: 71526,

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Volume

2

Article Issue

2

Related Issue

32189

Issue Date

2018-07-01

Receive Date

2018-04-13

Publish Date

2018-07-01

Page Start

134

Page End

149

Print ISSN

2357-0598

Online ISSN

2785-9959

Link

https://ajsws.journals.ekb.eg/article_225471.html

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https://ajsws.journals.ekb.eg/service?article_code=225471

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225,471

Type

Research papers

Type Code

2,302

Publication Type

Journal

Publication Title

Alexandria Journal of Soil and Water Sciences

Publication Link

https://ajsws.journals.ekb.eg/

MainTitle

Influence of Some Organic Acids on Availability and Adsorption of Phosphorus as well as Corn Growth in A Clay Soil

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Article

Created At

23 Jan 2023