naa a22 4500 510750346 CHVBK 20180411083102.0 cr unu---uuuuu 180411e20131201xx s 000 0 eng 10.1007/s11270-013-1712-0 doi (NATIONALLICENCE)springer-10.1007/s11270-013-1712-0 Not All Phosphate Fertilizers Immobilize Lead in Soils [Elektronische Daten] [Zheng Xie, Jianjun Chen, Ravi Naidu] The effects of six phosphate (P) fertilizers in mobilizing and immobilizing water-soluble lead (Pb) were determined in a contaminated soil (Alfisol from Shaoxing) from China and four Australian soils (an Oxisol from Twonsville Queensland and three South Australian soils from Cooke Plains (Typic Palexeralf)), Inman Valley (Vertisol), and Two Wells (Natric Palexeralf). The fertilizers tested were single superphosphate (SSP), triple superphosphate (TSP), monoammonium phosphate (MAP), diammonium phosphate (DAP), monocalcium phosphate (MCP), and dicalcium phosphate (DCP) to produce an initial P concentration of 1,000mg/L. The Chinese soil contained 16,397mg/kg total Pb, but the Australian soils were uncontaminated. The four Australian soils were each spiked with 1,000mg Pb/kg soil (as Pb(NO3)2) and incubated for a month. Single superphosphate treatments decreased total soluble Pb in soil solution to 2-14% of those of the nil-P (0P) treatment in the four Pb-spiked soils and to 48% in the Chinese Pb-contaminated soil. The DAP treatment followed by the MAP treatment greatly increased the total soluble Pb in soil solution up to 135-500% of the 0P treatment, except in the Two Wells soil. MCP could decrease the total soluble Pb in Cooke Plains, Inman Valley, Shaoxing, and Two Wells soils while increase it in the Queensland soil; DCP decreased the total soluble Pb in Cooke Plains and Queensland soils while increased it in the Shaoxing and Inman Valley soils. There were close relationships between the total soluble Pb, total soluble Al, and total soluble Fe in the water extracts of each. Soluble Al and Fe ions in soil solution increased soluble Pb concentrations. We conclude that not all phosphate fertilizers immobilize Pb in soils equally well. SSP and TSP are excellent Pb-immobilizing fertilizers, while MAP and DAP are strong Pb-mobilizing fertilizers. MCP and DCP are either Pb-immobilizing fertilizers or Pb-mobilizing fertilizers depending on their reactions with individual soils. Springer Science+Business Media Dordrecht, 2013 Phosphate fertilizer nationallicence Lead nationallicence Soil nationallicence Xie Zheng Institute of Environmental Science and Engineering, Hangzhou Dianzi University, Xiasha Higher Education Zone, 310037, Hangzhou, People's Republic of China aut Chen Jianjun Institute of Environmental Science and Engineering, Hangzhou Dianzi University, Xiasha Higher Education Zone, 310037, Hangzhou, People's Republic of China aut Naidu Ravi Centre for Environmental Risk Assessment and Remediation and Cooperative Research Centre for Contamination Assessment and Remediation of the Environment, Building X, University of South Australia, Mawson Lakes Boulevard, 5095, Mawson Lakes, SA, Australia aut Water, Air, & Soil Pollution Springer Netherlands 224/12(2013-12-01), 1-7 0049-6979 224:12<1 2013 224 11270 https://doi.org/10.1007/s11270-013-1712-0 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11270-013-1712-0 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Xie Zheng Institute of Environmental Science and Engineering, Hangzhou Dianzi University, Xiasha Higher Education Zone, 310037, Hangzhou, People's Republic of China aut NATIONALLICENCE 700 1- Chen Jianjun Institute of Environmental Science and Engineering, Hangzhou Dianzi University, Xiasha Higher Education Zone, 310037, Hangzhou, People's Republic of China aut NATIONALLICENCE 700 1- Naidu Ravi Centre for Environmental Risk Assessment and Remediation and Cooperative Research Centre for Contamination Assessment and Remediation of the Environment, Building X, University of South Australia, Mawson Lakes Boulevard, 5095, Mawson Lakes, SA, Australia aut NATIONALLICENCE 773 0- Water, Air, & Soil Pollution Springer Netherlands 224/12(2013-12-01), 1-7 0049-6979 224:12<1 2013 224 11270 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer