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Applied and Environmental Soil Science
Volume 2012 (2012), Article ID 201462, 11 pages
http://dx.doi.org/10.1155/2012/201462
Review Article

Land Application of Biosolids in the USA: A Review

Indian River Research and Education Center, University of Florida, 2199 S Rock Road, Fort Pierce, FL 34945, USA

Received 2 February 2012; Revised 29 May 2012; Accepted 12 June 2012

Academic Editor: Silvana I. Torri

Copyright © 2012 Qin Lu et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. W. J. Jewell and B. L. Seabrook, “History of land application as a treatment alternative,” Tech. Rep. EPA 430/9-79-012, Office of Water Program Operations, Washington, DC, USA, 1979.
  2. R. K. Bastian, “The biosolids (sludge) treatment, beneficial use, and disposal situation in the USA,” European Water Pollution Control Journal, vol. 7, no. 2, pp. 62–79, 1997. View at Scopus
  3. U.S. EPA, “Water: sewage sludge (biosolids),” 2011, http://water.epa.gov/polwaste/wastewater/treatment/biosolids/index.cfm.
  4. U.S. EPA, “A plain english guide to the EPA part 503 biosolids rule,” Tech. Rep. EPA/832-R-93-003, Office of Wastewater Management, Washington, DC, USA, 1994.
  5. U.S. EPA, “Environmental regulations and technology: control of pathogens and vector attraction in sewage sludge,” Tech. Rep. EPA/625/R-92/013, U.S. Environmental Protection Agency, Office of Research and Development, National Risk Management Research Laboratory, Center for Environmental Research Information, Cincinnati, Ohio, USA, 2003.
  6. U.S. EPA, “Process design manual: land application of sewage sludge and domestic septage, office of research and development,” Tech. Rep. EPA/625/R-95/001, Washington, DC, USA, 1995.
  7. U.S. EPA, “National Sewage Sludge Survey: Availability of Information and Data, and Anticipated Impacts of Proposed Rule on Proposed Regulations, Proposed Rule,” Vol. 55, No. 218 Federal Register 47210–83, 1990.
  8. U.S. EPA, “A guide to the biosolids risk assessments for the EPA part 503 rule,” Tech. Rep. EPA/832-B-93-005, Office of Wastewater Management, Washington, DC, USA, 1995.
  9. T. W. Simpson, Citizen’S Guide To Maryland’S Water Quality Improvement Act, University of Maryland, College Park, Md, USA, 1998.
  10. A. L. Shober and J. T. Sims, “Phosphorus restrictions for land application of biosolids: current status and future trends,” Journal of Environmental Quality, vol. 32, no. 6, pp. 1955–1964, 2003. View at Scopus
  11. U.S. EPA, Biosolids Technology Fact Sheet: Land Application of Biosolids, Office of Water, Washington, DC, USA, 2000.
  12. T. Bramryd, “Effects of liquid and dewatered sewage sludge applied to a scots pine stand (Pinus sylvestris L.) in Central Sweden,” Forest Ecology and Management, vol. 147, no. 2-3, pp. 197–216, 2001. View at Publisher · View at Google Scholar · View at Scopus
  13. C. G. Cogger, T. A. Forge, and G. H. Neilsen, “Biosolids recycling: nitrogen management and soil ecology,” Canadian Journal of Soil Science, vol. 86, no. 4, pp. 613–620, 2006. View at Scopus
  14. United Nations Industrial Development Organization (UNIDO) and International Fertilizer Development Center (IFDC), Fertilizer Manual, Kluwer Academic Press, Norwell, Mass, USA, 3rd edition, 1998.
  15. R. C. Stehouwer, A. M. Wolf, and W. T. Doty, “Chemical monitoring of sewage sludge in Pennsylvania: variability and application uncertainty,” Journal of Environmental Quality, vol. 29, no. 5, pp. 1686–1695, 2000. View at Scopus
  16. L. E. Sommers, “Chemical composition of sewage sludges and analysis of their potential use as fertilizers,” Journal of Environmental Quality, vol. 6, no. 2, pp. 225–232, 1977. View at Scopus
  17. K. Tubail, L. Chen, F. C. Michel et al., “Gypsum additions reduce ammonia nitrogen losses during composting of dairy manure and biosolids,” Compost Science and Utilization, vol. 16, no. 4, pp. 285–293, 2008. View at Scopus
  18. M. A. Shepherd and P. J. Withers, “Phosphorus leaching from liquid digested sewage sludge applied to sandy soils,” Journal of Agricultural Science, vol. 136, no. 4, pp. 433–441, 2001. View at Publisher · View at Google Scholar · View at Scopus
  19. Z. Dou, J. D. Toth, D. T. Galligan, C. F. Ramberg, and J. D. Ferguson, “Laboratory procedures for characterizing manure phosphorus,” Journal of Environmental Quality, vol. 29, no. 2, pp. 508–514, 2000. View at Scopus
  20. B. Ajiboye, O. O. Akinremi, and G. J. Racz, “Laboratory characterization of phosphorus in fresh and oven-dried organic amendments,” Journal of Environmental Quality, vol. 33, no. 3, pp. 1062–1069, 2004. View at Scopus
  21. Z. L. He, A. K. Alva, D. V. Calvert, Y. C. Li, P. J. Stoffella, and D. J. Banks, “Nutrient availability and changes in microbial biomass of organic amendments during field incubation,” Compost Science and Utilization, vol. 8, no. 4, pp. 293–302, 2000. View at Scopus
  22. G. Logsdon, “Beneficial biosolids,” Biocycle, vol. 34, no. 2, pp. 42–44, 1993.
  23. P. R. Warman and W. C. Termeer, “Evaluation of sewage sludge, septic waste and sludge compost applications to corn and forage: Ca, Mg, S, Fe, Mn, Cu, Zn and B content of crops and soils,” Bioresource Technology, vol. 96, no. 9, pp. 1029–1038, 2005. View at Publisher · View at Google Scholar · View at Scopus
  24. R. Moral, J. Moreno-Caselles, M. Perez-Murcia, and A. Perez-Espinosa, “Improving the micronutrient availability in calcareous soils by sewage sludge amendment,” Communications in Soil Science and Plant Analysis, vol. 33, no. 15–18, pp. 3015–3022, 2002. View at Scopus
  25. M. Ozores-Hampton, P. A. Stansly, and T. P. Salame, “Soil chemical, physical, and biological properties of a sandy soil subjected to long-term organic amendments,” Journal of Sustainable Agriculture, vol. 35, no. 3, pp. 243–259, 2011. View at Publisher · View at Google Scholar · View at Scopus
  26. M. A. Garau, M. T. Felipo, and M. C. Ruiz De Villa, “Nitrogen mineralization of sewage sludges in soils,” Journal of Environmental Quality, vol. 15, no. 3, pp. 225–228, 1986. View at Scopus
  27. H. Wang, M. O. Kimberley, and M. Schlegelmilch, “Biosolids-derived nitrogen mineralization and transformation in forest soils,” Journal of Environmental Quality, vol. 32, no. 5, pp. 1851–1856, 2003. View at Scopus
  28. L. M. Zibilske, “Temperature effects on the decomposition of paper mill sludges in soil,” Soil Science, vol. 162, no. 3, pp. 198–204, 1997. View at Scopus
  29. R. J. Haynes, G. Murtaza, and R. Naidu, “Chapter 4 Inorganic and organic constituents and contaminants of biosolids. Implications for land application,” Advances in Agronomy, vol. 104, pp. 165–267, 2009. View at Publisher · View at Google Scholar · View at Scopus
  30. NEBRA (North East Biosolids and Residuals Association), “A National Biosolids Regulation, Quality, End use and Disposal Survey—Preliminary Report, April 14, 2007. North EastBiosolids and Residuals Association Web,” 2007, http://www.nebiosolids.org/uploads/pdf/NtlBiosolidsReport-20July07.pdf.
  31. Committee on Toxicants and Pathogens in Biosolids Applied to Land and National Research Council, Eds., Biosolids Applied To Land: Advancing Standards and Practices, National Academies Press, 2002.
  32. J. M. Tisdall and J. M. Oades, “Organic matter and water-stable aggregates in soils,” Journal of Soil Science, vol. 33, no. 2, pp. 141–163, 1982. View at Scopus
  33. P. J. Stoffella, M. Ozores-Hampton, N. E. Roe, Y. C. Li, and T. A. Obreza, “Compost utilization in vegetable crop production systems,” Acta Horticulturae, vol. 607, pp. 125–128, 2003.
  34. R. Krause, “Physical properties of soil improved by organic sludge. physical properties of agricultural materials and products,” in Proceedings of the 3rd International Conference, pp. 19–23, 1985, Prague Czech Republic, August 1988.
  35. B. J. Lindsay and T. J. Logan, “Field response of soil physical properties to sewage sludge,” Journal of Environmental Quality, vol. 27, no. 3, pp. 534–542, 1998. View at Scopus
  36. F. García-Orenes, C. Guerrero, J. Mataix-Solera, J. Navarro-Pedreño, I. Gómez, and J. Mataix-Beneyto, “Factors controlling the aggregate stability and bulk density in two different degraded soils amended with biosolids,” Soil and Tillage Research, vol. 82, no. 1, pp. 65–76, 2005. View at Publisher · View at Google Scholar · View at Scopus
  37. T. Punshon, D. C. Adriano, and J. T. Weber, “Restoration of drastically eroded land using coal fly ash and poultry biosolid,” Science of the Total Environment, vol. 296, no. 1–3, pp. 209–225, 2002. View at Publisher · View at Google Scholar · View at Scopus
  38. H. Kirchmann and M. H. Gerzabek, “Pore size changes in a long-term field experiment with organic amendments,” in Soil Mineral Organic Matter Microorganism Interactions and Ecosystem Health: Dynamics, Mobility and Transformation of Pollutants and Nutrients, A. Violante, P. M. Huang, J. M. Bollag, and L. Gianfreda, Eds., pp. 419–423, Elsevier Science B.V., Amsterdam, Netherlands, 2002.
  39. M. Pagliai and L. V. Antisari, “Influence of waste organic matter on soil micro- and macrostructure,” Bioresource Technology, vol. 43, no. 3, pp. 205–213, 1993. View at Publisher · View at Google Scholar · View at Scopus
  40. R. Khaleel, K. R. Reddy, and M. R. Overcash, “Changes in soil physical properties due to organic waste applications: a review,” Journal of Environmental Quality, vol. 10, no. 2, pp. 133–141, 1981. View at Scopus
  41. C. Parat, R. Chaussod, J. Lévêque, and F. Andreux, “Long-term effects of metal-containing farmyard manure and sewage sludge on soil organic matter in a fluvisol,” Soil Biology and Biochemistry, vol. 37, no. 4, pp. 673–679, 2005. View at Publisher · View at Google Scholar · View at Scopus
  42. N. T. Basta, R. Gradwohl, K. L. Snethen, and J. L. Schroder, “Chemical immobilization of lead, zinc, and cadmium in smelter-contaminated soils using biosolids and rock phosphate,” Journal of Environmental Quality, vol. 30, no. 4, pp. 1222–1230, 2001. View at Scopus
  43. S. L. Brown, C. L. Henry, R. Chaney, H. Compton, and P. S. DeVolder, “Using municipal biosolids in combination with other residuals to restore metal-contaminated mining areas,” Plant and Soil, vol. 249, no. 1, pp. 203–215, 2003. View at Publisher · View at Google Scholar · View at Scopus
  44. T. Baumgartl and R. Horn, “Effect of aggregate stability on soil compaction,” Soil and Tillage Research, vol. 19, no. 2-3, pp. 203–213, 1991. View at Scopus
  45. C. Loschinkohl and M. J. Boehm, “Composted biosolids incorporation improves turfgrass establishment on disturbed urban soil and reduces leaf rust severity,” HortScience, vol. 36, no. 4, pp. 790–794, 2001. View at Scopus
  46. M. E. W. Sydnor and E. F. Redente, “Reclamation of high-elevation, acidic mine waste with organic amendments and topsoil,” Journal of Environmental Quality, vol. 31, no. 5, pp. 1528–1537, 2002. View at Scopus
  47. S. Brown, M. Sprenger, A. Maxemchuk, and H. Compton, “Ecosystem function in alluvial tailings after biosolids and lime addition,” Journal of Environmental Quality, vol. 34, no. 1, pp. 139–148, 2005. View at Scopus
  48. S. Brown, K. Kurtz, A. Bary, and C. Cogger, “Quantifying benefits associated with land application of organic residuals in Washington State,” Environmental Science and Technology, vol. 45, pp. 7451–7458, 2011.
  49. K. Lombard, M. O'Neill, R. Heyduck et al., “Composted biosolids as a source of iron for hybrid poplars (Populus sp.) grown in northwest New Mexico,” Agroforestry Systems, vol. 81, no. 1, pp. 45–56, 2011. View at Publisher · View at Google Scholar · View at Scopus
  50. D. L. Binder, A. Dobermann, D. H. Sander, and K. G. Cassman, “Biosolids as nitrogen source for irrigated maize and rainfed sorghum,” Soil Science Society of America Journal, vol. 66, no. 2, pp. 531–543, 2002. View at Scopus
  51. T. A. Obreza and M. Ozores-Hampton, “Management of organic amendments in Florida citrus production systems,” Annual Proceedings Soil and Crop Science Society of Florida, no. 59, pp. 22–27, 2000. View at Scopus
  52. F. H. Jaber, S. Shukla, P. J. Stoffella, T. A. Obreza, and E. A. Hanlon, “Impact of organic amendments on groundwater nitrogen concentrations for sandy and calcareous soils,” Compost Science and Utilization, vol. 13, no. 3, pp. 194–202, 2005. View at Scopus
  53. D. M. Sullivan, S. C. Fransen, C. G. Cogger, and A. I. Bary, “Biosolids and dairy manure as nitrogen sources for prairiegrass on a poorly drained soil,” Journal of Production Agriculture, vol. 10, no. 4, pp. 589–596, 1997. View at Scopus
  54. N. M. Awad and K. S. M. Fawzy, “Assessment of sewage sludge application on microbial diversity, soil properties, and quality of wheat plants grown in a sandy soil,” Annals of Agricultural Science Cairo, vol. 49, pp. 485–499, 2004.
  55. Y. Luo and P. Christie, “Alleviation of soil acidity and aluminium phytotoxicity in acid soils by using alkaline-stabilised biosolids,” Pedosphere, vol. 12, no. 2, pp. 185–188, 2002. View at Scopus
  56. P. Christie, D. L. Easson, J. R. Picton, and S. C. P. Love, “Agronomic value of alkaline-stabilized sewage biosolids for spring barley,” Agronomy Journal, vol. 93, no. 1, pp. 144–151, 2001. View at Scopus
  57. B. L. Pierce, E. F. Redente, K. A. Barbarick, R. B. Brobst, and P. Hegeman, “Plant biomass and elemental changes in shrubland forages following biosolids application,” Journal of Environmental Quality, vol. 27, no. 4, pp. 789–794, 1998. View at Scopus
  58. J. E. Miltimore and J. L. Mason, “Copper to molybdenum ratio and molybdenum and copper concentrations in ruminant feeds,” Canadian Journal of Animal Science, vol. 51, pp. 193–200, 1971.
  59. S. B. Sterrett, “Composts as horticultural substrates for vegetable transplant production,” in Compost Utilization in Horticultural Cropping Systems, P. J. Stoffella and B. A. Kahn, Eds., pp. 227–240, CRC Press, Boca Raton, Fla, USA, 2001.
  60. S. B. Sterrett, C. W. Reynolds, and F. D. Schales, “Transplant quality, yield, and heavy-metal accumulation of tomato, muskmelon, and cabbage grown in media containing sewage sludge compost,” Journal of the American Society for Horticultural Science, vol. 108, no. 1, pp. 36–41, 1983. View at Scopus
  61. A. Falahi-Ardakani, J. C. Bouwkamp, F. R. Gouin, and R. L. Chaney, “Growth response and mineral uptake of vegetable transplants grown in a composted sewage sludge amended medium. I. Nutrient supplying power of the medium,” Journal of Environmental Horticulture, vol. 5, no. 3, pp. 107–112, 1987. View at Scopus
  62. C. S. Vavrina, “Municipal solid waste materials as soilless media for tomato transplants: field production results,” Proceedings of the Florida State Horticultural Society, vol. 108, pp. 232–234, 1995.
  63. J. R. Purman and F. R. Gouin, “Influence of compost aging and fertilizer regimes on the growth of bedding plants, transplants and poinsettia,” Journal of Environmental Horticulture, vol. 10, pp. 52–54, 1992.
  64. M. Ozores-Hampton, T. A. Obreza, and G. Hochmuth, “Using composted wastes on florida vegetable crops,” HortTechnology, vol. 8, no. 2, pp. 130–137, 1998. View at Scopus
  65. R. Rynk and N. Goldstein, “Reducing odor impacts at land application sites,” BioCycle, vol. 44, no. 4, pp. 54–58, 2003. View at Scopus
  66. A. Sharpley, J. J. Meisinger, A. Breeuwsma, J. T. Sims, T. C. Daniel, and J. S. Schepers, “Impacts of animal manure management on ground and surface water quality,” in Animal Waste Utilization: Effective Use of Manure as a Soil Resource, J. L. Hatfield, Stewart, and B. A, Eds., pp. 173–242, Ann Arbor Press, Chelsea, Mich, USA, 1998.
  67. G. A. O'Connor, D. Sarkar, S. R. Brinton, H. A. Elliott, and F. G. Martin, “Phytoavailability of biosolids phosphorus,” Journal of Environmental Quality, vol. 33, no. 2, pp. 703–712, 2004. View at Scopus
  68. C. J. Penn and J. T. Sims, “Phosphorus forms in biosolids-amended soils and losses in runoff: effects of wastewater treatment process,” Journal of Environmental Quality, vol. 31, no. 4, pp. 1349–1361, 2002. View at Scopus
  69. P. J. A. Withers, S. D. Clay, and V. G. Breeze, “Phosphorus transfer in runoff following application of fertilizer, manure, and sewage sludge,” Journal of Environmental Quality, vol. 30, no. 1, pp. 180–188, 2001. View at Scopus
  70. P. S. Hooda, “Relating soil phosphorus indices to potential phosphorus release to water,” Journal of Environmental Quality, vol. 29, no. 4, pp. 1166–1171, 2000. View at Scopus
  71. V. D. Nair and W. G. Harris, “A capacity factor as an alternative to soil test phosphorus in phosphorus risk assessment,” New Zealand Journal of Agricultural Research, vol. 47, no. 4, pp. 491–497, 2004. View at Scopus
  72. V. D. Nair, K. M. Portier, D. A. Graetz, and M. L. Walker, “An environmental threshold for degree of phosphorus saturation in sandy soils,” Journal of Environmental Quality, vol. 33, no. 1, pp. 107–113, 2004. View at Scopus
  73. M. C. Pautler and J. T. Sims, “Relationships between soil test phosphorus, soluble phosphorus, and phosphorus saturation in Delaware soils,” Soil Science Society of America Journal, vol. 64, no. 2, pp. 765–773, 2000. View at Scopus
  74. L. Khiari, L. E. Parent, A. Pellerin et al., “An agri-enviromnental phosphorus saturation index for acid coarse-textured soils,” Journal of Environmental Quality, vol. 29, no. 5, pp. 1561–1567, 2000. View at Scopus
  75. P. Lu and G. A. O'Connor, “Biosolids effects on phosphorus retention and release in some sandy Florida soils,” Journal of Environmental Quality, vol. 30, no. 3, pp. 1059–1063, 2001. View at Scopus
  76. U.S. EPA, “Edition of the drinking water standards and health advisoriess,” Tech. Rep. EPA-822-R-02-038, Office of Water, Washington, DC, USA, 2002.
  77. C. M. Brenton, E. B. Fish, and R. Mata-González, “Macronutrient and trace element leaching following biosolids application on semi-arid rangeland soils,” Arid Land Research and Management, vol. 21, no. 2, pp. 143–156, 2007. View at Publisher · View at Google Scholar · View at Scopus
  78. C. Santibáñez, R. Ginocchio, and M. Teresa Varnero, “Evaluation of nitrate leaching from mine tailings amended with biosolids under Mediterranean type climate conditions,” Soil Biology and Biochemistry, vol. 39, no. 6, pp. 1333–1340, 2007. View at Publisher · View at Google Scholar · View at Scopus
  79. R. Stehouwer, R. L. Day, and K. E. Macneal, “Nutrient and trace element leaching following mine reclamation with biosolids,” Journal of Environmental Quality, vol. 35, no. 4, pp. 1118–1126, 2006. View at Publisher · View at Google Scholar · View at Scopus
  80. R. C. Stehouwer and K. E. Macneal, “Effect of Alkaline-Stabilized Biosolids on Alfalfa Molybdenum and Copper Content,” Journal of Environmental Quality, vol. 33, no. 1, pp. 133–140, 2004. View at Scopus
  81. S. M. Ross, “Retention, transformation and mobility of toxic metals in soils,” in Toxic Metals in Soil-Plant Systems, S. M. Ross, Ed., pp. 63–152, John Wiley & Sons, Chichester, UK, 1994.
  82. R. H. Dowdy, J. J. Latterell, T. D. Hinesly, R. B. Grossman, and D. L. Sullivan, “Trace metal movement in an Aeric Ochraqualf following 14 years of annual sludge applications,” Journal of Environmental Quality, vol. 20, no. 1, pp. 119–123, 1991. View at Scopus
  83. A. C. Chang, J. E. Warneke, A. L. Page, and L. J. Lund, “Accumulation of heavy metals in sewage sludge-treated soils,” Journal of Environmental Quality, vol. 13, no. 1, pp. 87–91, 1984. View at Scopus
  84. M. B. McBride, K. A. Barrett, B. Kim, and B. Hale, “Cadmium sorption in soils 25 years after amendment with sewage sludge,” Soil Science, vol. 171, no. 1, pp. 21–28, 2006. View at Publisher · View at Google Scholar · View at Scopus
  85. A. D. Karathanasis and D. W. Ming, “Colloid-mediated transport of metals associated with lime-stabilized biosolids,” in Soil Mineral Organic Matter Microorganism Interactions and Ecosystem Health: Dynamics, Mobility and Transformation of Pollutants and Nutrients, A. Violante, P. M. Huang, J. M. Bollag, and L. Gianfreda, Eds., Elsevier Science B.V., Amsterdam, Netherlands, 2002.
  86. A. D. Karathanasis and D. M. C. Johnson, “Subsurface transport of Cd, Cr, and Mo mediated by biosolid colloids,” Science of the Total Environment, vol. 354, no. 2-3, pp. 157–169, 2006. View at Publisher · View at Google Scholar · View at Scopus
  87. P. H. T. Beckett, R. D. Davis, and P. Brindley, “The disposal of sewage sludge onto farmland: the scope of the problem of toxic elements,” Water Pollution Control, vol. 78, no. 4, pp. 419–445, 1979. View at Scopus
  88. M. B. McBride, “Toxic metal accumulation from agricultural use of sludge: are USEPA regulations protective?” Journal of Environmental Quality, vol. 24, no. 1, pp. 5–18, 1995. View at Scopus
  89. A. C. Chang, H. N. Hyun, and A. L. Page, “Cadmium uptake for Swiss chard grown on composted sewage sludge treated field plots: plateau or time bomb?” Journal of Environmental Quality, vol. 26, no. 1, pp. 11–19, 1997. View at Scopus
  90. S. P. McGrath, A. M. Chaudri, and K. E. Giller, “Long-term effects of metals in sewage sludge on soils, microorganisms and plants,” Journal of Industrial Microbiology, vol. 14, no. 2, pp. 94–104, 1995. View at Scopus
  91. S. P. McGrath, A. M. Chaudri, and K. E. Giller, “Long-term effects of land application of sewage sludge: soils, microorganisms and plants,” in Proceedings of the 15th World Congress of Soil Science, pp. 10–16, Acapulco, Mexico, July 1994.
  92. S. P. McGrath, “Effects of heavy metals from sewage sludge on soil microbes in agricultural ecosystems,” in Toxic Metals in Soil-Plant Systems, S. M. Ross, Ed., pp. 247–274, John Wiley & Sons, Chichester, UK, 1994.
  93. H. Zerzghi, J. P. Brooks, C. P. Gerba, and I. L. Pepper, “Influence of long-term land application of Class B biosolids on soil bacterial diversity,” Journal of Applied Microbiology, vol. 109, no. 2, pp. 698–706, 2010. View at Publisher · View at Google Scholar · View at Scopus
  94. W. Giger, “Occurrence and behaviour of detergent-derived contaminants in sewage sludge,” in Specialty Conference on Management and Fate of Toxic Organics in Sludge Applied to Land, Copenhagen, Denmark, April 1997.
  95. E. F. Davis, S. L. Klosterhaus, and H. M. Stapleton, “Measurement of flame retardants and triclosan in municipal sewage sludge and biosolids,” Environment International, vol. 40, pp. 1–7, 2012. View at Publisher · View at Google Scholar
  96. Y. Y. Yang, J. L. Gray, E. T. Furlong, J. G. Davis, R. C. ReVello, and T. Borch, “Steroid hormone runoff from agricultural test plots applied with municipal biosolids,” Environmental Science and Technology, vol. 46, pp. 2746–2754, 2012.
  97. A. B. Lindstrom, M. J. Strynar, A. D. Delinsky et al., “Application of WWTP biosolids and resulting perfluorinated compound contamination of surface and well water in Decatur, Alabama, USA,” Environmental Science and Technology, vol. 45, pp. 8015–8021, 2011.
  98. E. Epstein, “Human pathogens: hazards, controls, and precautions in compost,” in Compost Utilization in Horticultural Cropping Systems, P. J. Stoffella and B. A. Kahn, Eds., chapter 17, pp. 361–380, CRC Press, Boca Raton, Fla, USA, 2001.
  99. R. Iranpour and H. H. J. Cox, “Recurrence of fecal coliforms and Salmonella species in biosolids following thermophilic anaerobic digestion,” Water Environment Research, vol. 78, no. 9, pp. 1005–1012, 2006. View at Publisher · View at Google Scholar · View at Scopus
  100. Y. Qi, S. K. Dentel, and D. S. Herson, “Increases in fecal coliform bacteria resulting from centrifugal dewatering of digested biosolids,” Water Research, vol. 41, no. 3, pp. 571–580, 2007. View at Publisher · View at Google Scholar · View at Scopus
  101. J. L. Lemunyon and R. G. Gilbert, “The concept and need for a phosphorus assessment tool,” Journal of Production Agriculture, vol. 6, pp. 449–450, 1993.
  102. V. D. Nair and D. A. Graetz, “Agroforestry as an approach to minimizing nutrient loss from heavily fertilized soils: the Florida experience,” Agroforestry Systems, vol. 61-62, no. 1–3, pp. 269–279, 2004. View at Publisher · View at Google Scholar · View at Scopus
  103. Z. L. He, D. V. Calvert, A. K. Alva, Y. C. Li, P. J. Stoffella, and D. J. Banks, “Nitrogen transformation and ammonia volatilization from biosolids and compost applied to calcareous soil,” Compost Science and Utilization, vol. 11, no. 1, pp. 81–88, 2003. View at Scopus
  104. G. K. Evanylo, “Effects of biosolids application timing and soil texture on nitrogen availability for corn,” Communications in Soil Science and Plant Analysis, vol. 34, no. 1-2, pp. 125–143, 2003. View at Publisher · View at Google Scholar · View at Scopus
  105. M. S. Yoo and B. R. James, “Zinc extractability as a function of pH in organic waste-amended soils,” Soil Science, vol. 167, no. 4, pp. 246–259, 2002. View at Publisher · View at Google Scholar · View at Scopus
  106. N. Wu and J. E. Smith, “Reducing pathogen and vector attraction for biosolids,” Biocycle, vol. 40, pp. 59–61, 1999.
  107. J. A. Ippolito, K. A. Barbarick, and E. F. Redente, “Combinations of water treatment residuals and biosolids affect two range grasses,” Communications in Soil Science and Plant Analysis, vol. 33, no. 5-6, pp. 831–844, 2002. View at Publisher · View at Google Scholar · View at Scopus
  108. G. Murtaza, R. J. Haynes, R. Naidu et al., “Natural attenuation of Zn, Cu, Pb and Cd in three biosolids-amended soils of contrasting pH measured using rhizon pore water samplers,” Water, Air and Soil Pollution, vol. 221, no. 1–4, pp. 351–363, 2011. View at Publisher · View at Google Scholar · View at Scopus
  109. K. G. Robinson, C. H. Robinson, L. A. Raup, and T. R. Markum, “Public attitudes and risk perception toward land application of biosolids within the south-eastern United States,” Journal of Environmental Management, vol. 98, pp. 29–36, 2012.