ArticlePloS one2015
Evaluation of phosphate fertilizers for the immobilization of Cd in contaminated soils.
Article in PloS one, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 43 citations in OpenAlex.
- Molecular insights into cadmium transport and micronutrient crosstalk in rice: Towards minimizing grain Cd.Journal of integrative plant biology · 2026Review
- Exogenous plant growth regulator and foliar fertilizers for phytoextraction of cadmium with Boehmeria nivea [L.] Gaudich from contaminated field soil.Scientific reports · 2023Article
- Review
- Genetic Regulation Mechanism of Cadmium Accumulation and Its Utilization in Rice Breeding.International journal of molecular sciences · 2023Review
- Article
- Understanding Potential Heavy Metal Contamination, Absorption, Translocation and Accumulation in Rice and Human Health Risks.Plants (Basel, Switzerland) · 2021Review
- Mitigation of Cd accumulation in rice with water management and calcium-magnesium phosphate fertilizer in field environment.Environmental geochemistry and health · 2020Article
- Calcium Plays a Double-Edged Role in Modulating Cadmium Uptake and Translocation in Rice.International journal of molecular sciences · 2020Article
- Advances in the Uptake and Transport Mechanisms and QTLs Mapping of Cadmium in Rice.International journal of molecular sciences · 2019Review
- The role of endogenous nitric oxide in melatonin-improved tolerance to lead toxicity in maize plants.Environmental science and pollution research international · 2019Article
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Authors and funding
3 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
A laboratory investigation was conducted to evaluate the efficiency of four phosphate fertilizers, including diammonium phosphate (DAP), potassium phosphate monobasic (MPP), calcium superphosphateon (SSP), and calcium phosphate tribasic (TCP), in terms of the toxicity and bioavailability of Cd in contaminated soils. The efficiency of immobilization was evaluated on the basis of two criteria: (a) the reduction of extractable Cd concentration below the TCLP regulatory level and (b) the Cd changes associated with specific operational soil fractions on the basis of sequential extraction data. Results showed that after 50 d immobilization, the extractable concentrations of Cd in DAP, MPP, SSP, and TCP treated soils decreased from 42.64 mg/kg (in the control) to 23.86, 21.86, 33.89, and 35.59 mg/kg, respectively, with immobilization efficiency in the order of MPP > DAP > SSP > TCP. Results from the assessment of Cd speciation via the sequential extraction procedure revealed that the soluble exchangeable fraction of Cd in soils treated with phosphate fertilizers, especially TCP, was considerably reduced. In addition, the reduction was correspondingly related to the increase in the more stable forms of Cd, that is, the metal bound to manganese oxides and the metal bound to crystalline iron oxides. Treatment efficiency increased as the phosphate dose (according to the molar ratio of PO4/Cd) increased. Immobilization was the most effective under the molar ratio of PO4/Cd at 4:1.
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