Effect of different phosphorus sources on soybean growth and arsenic uptake under arsenic stress conditions in an acidic ultisol

Ecotoxicology and Environmental Safety
Muhammad Aqeel KamranJackson Nkoh Nkoh

Abstract

Soil arsenic (As) contamination is a serious concern because of its mark negative impacts on plant growth and physiological processes. In plant-soil system, As competes against phosphorus (P) which depends on charge component of different soil types. The main objective of this study was to investigate the influence of ((NH4)3PO4 (PO43-) and Ca5(PO4)3(OH) (phosphorite)) in ameliorating As stress on plant physiological process against As toxicity and their role in As accumulation. We performed eighteen treatments with different levels of As (0, 35, and 70 mg/kg) and P (0, 100, and 200 mg/kg) against two P sources of PO43- and phosphorite. Overall, more improvement in plant growth was observed by addition of PO43- than phosphorite. Significant increases in plant height (51%), dry biomass (root (49%) and shoot (40%)), chlorophyll contents (88%), total soluble sugars (58%) and plant functional leaves (51%) were observed by PO43- application as compared to their corresponding un-fertilized treatment under As stress conditions. However, proline and MDA contents were decreased by 49% and 71% with PO43- applied, respectively, under As stress. The As and P uptake by soybean were remarkably enhanced by the application of PO43- than phosph...Continue Reading

References

Jun 28, 2005·Plant Physiology·Jean-Luc MontilletChristian Triantaphylidès
May 4, 2013·The Science of the Total Environment·Nanthi BolanGirish Choppala
Jul 4, 2013·International Journal of Phytoremediation·M P GomesA M Soares
Oct 5, 2013·Environmental Science and Pollution Research International·Muhammad Aqeel KamranHassan Javed Chaudhary
Jan 17, 2015·Environmental Science and Pollution Research International·Muhammad Aqeel KamranHassan Javed Chaudhary
Jan 17, 2016·Ecotoxicology and Environmental Safety·Muhammad Aqeel KamranHassan Javed Chaudhary
Jan 7, 2017·Chemosphere·Mariusz CycońZofia Piotrowska-Seget
Jan 14, 2017·International Journal of Phytoremediation·Nabeel Khan NiaziMuhammad Bilal Shakoor
Apr 26, 2017·International Journal of Phytoremediation·Sadia BibiNabeel Khan Niazi

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Citations

Jun 10, 2019·Environmental Science and Pollution Research International·Meijiao WangQing Zhou
Jun 25, 2020·International Journal of Phytoremediation·Kashif HayatHassan Javed Chaudhary
May 12, 2021·Environmental Science and Pollution Research International·Xinya LiZhenguang Yan
Nov 8, 2021·The Science of the Total Environment·Muhammad Aqeel KamranBaoliang Chen

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