By H. Magdi Selim
"Recent experiences display that Phosphorus (P) within the type of phosphate, a macronutrient crucial for plant development, and crop yields can impact the bioavailability, retention, and mobility of hint parts, metal(loid)s, and radio nuclides in soils. while this happens, phosphates can impact the dynamics of heavy metals and impact soil features, impacting soil mobility and toxicity. Phosphate in Soils: Read more...
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Additional resources for Phosphate in soils : interaction with micronutrients, radionuclides and heavy metals
Example text
2009. Heavy metal (Cu, Zn, Cd, and Pb) partitioning and bioaccessibility in uncontaminated and long-term contaminated soils. J. Hazard. Mater. 171:1150–1158. , and Sauvé, S. 2007. Cadmium and zinc in soil solution extracts following the application of phosphate fertilizers. Sci. Total Environ. 378: 293–305. J. 1998. Immobilization of Pb by hydroxyapatite. A. ), Orlando, FL: Academic Press, 225–276. , and Vukovic, Z. 1991. Ion-exchange of strontium on synthetic hydroxyapatite. J. Radioanal Nucl.
4). These new metal(loid)–P compounds have extremely low solubility over a wide pH range, which makes P application an attractive technology for managing metal-contaminated soils. Advanced studies using x-ray absorption fine structure spectroscopy (XAFS) indicate that formation of surface precipitates may occur even when solution concentration is undersaturated with respect to homogeneous precipitation of pure metal(loid) precipitate phase (Ford and Sparks 2000). 5. As Metal(loid) Phosphates Arsenic desorption (mg kg–1) The P radical can combine with over 30 elements to form P minerals (Clark 1993).
Lett. 6:121–133. , and Shibli, R. 2003. Effects of arbuscular mycorrhizal fungi and phosphorus fertilization on growth and nutrient uptake of barley grown on soils with different levels of salts. J. Plant Nutr. 26:125–137. , and Escudey, M. 2009. Trace element composition of selected fertilizers used in Chile: Phosphorus fertilizers as a source of long-term soil contamination. Soil Sediment Contam. 18:497–511. , and Cartes, P. 2008. Selenium uptake and its influence on the antioxidative system of white clover as affected by lime and phosphorus fertilization.