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Valtcho D. Zheljazkov, Juan L. Silva, Mandar Patel, Jelena Stojanovic, Youkai Lu, Taejo Kim, and Thomas Horgan

A number of waste materials and byproducts (such as animal manure, municipal solid waste composts, and sewage sludge) are used currently in agricultural crop production. Human hair waste generated by barbershops typically would be disposed of at

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Bret Sparks, Gregg Munshaw, David Williams, Michael Barrett, Jeffrey Beasley, and Paul Woosley

inorganic fertilizers is organic nitrogen derived from waste sources such as sewage sludge and bone meal ( Law et al., 2004 ). Another option is to amend soil with organic compounds to improve the soil and plant health ( McDonald, 1999 ). These organic

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Valtcho D. Zheljazkov and Tess Astatkie

. 29 1232 1238 Luo, Y.M. Christie, P. 1998 Bioavailability of copper and zinc in soils treated with alkaline stabilized sewage sludges J. Environ. Qual. 27 335 342 MacLean, K.S. Langille, W.M. 1973 Heavy metal studies of crops and soils in Nova Scotia

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Paige L. Herring, Abbey C. Noah, and Helen T. Kraus

in compost J. Herbs Spices Med. Plants 4 19 27 Ostos, J.C. Lopez-Garrido, R. Murillo, J.M. Lopez, R. 2008 Substitution of peat for municipal solid waste and sewage sludge-based composts in nursery growing media: Effects on growth and nutrition of the

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Juan Carlos Diaz-Perez, W. Keith Jenkins, Dharmalingam Pitchay, and Gunawati Gunawan

erosus , in Oahu, Hawaii Proc. Annu. Meet. Fla. State Hort. Soc. 113 222 226 Wong, M.H. Cheung, Y.H. Cheung, C.L. 1983 The effects of ammonia and ethylene oxide in animal manure and sewage sludge on the seed germination and root elongation of Brassica

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Michael R. Evans and Leisha Vance

), composted rice hulls ( Laiche and Nash, 1990 ), kenaf ( Wang, 1994 ), municipal sewage sludge ( Klock-Moore, 1999 , 2001 ), composted yard waste ( Beeson, 1996 ), and various composted animal manures ( Tyler et al., 1993 ). Some of these materials were not

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Hong Su, He Zhang, Chaoxia Wang, Jianquan Huang, Jiayin Shang, Na Zhang, Dan Wang, and Kai Li

Plastic plants and patchy soils J. Expt. Bot. 57 401 411 doi: 10.1093/jxb/eri280 Hojjati, S. Nourbakhsh, F. 2007 Effects of cow manure and sewage sludge on the activity and kinetics of L-glutaminase in soil Biol. Fertil. Soils 43 491 494 doi: 10.1007/s

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Carol Miles, Russ Wallace, Annette Wszelaki, Jeffrey Martin, Jeremy Cowan, Tom Walters, and Debra Inglis

, 2011d) ], anaerobic digesters [D 5511-11 ( ASTM, 2011b )], controlled composting [D 5338-11 ( ASTM, 2011a ), D 5988-03 ( ASTM, 2003 ), D 6340-98(2007) ( ASTM, 2007b )], marine environment [D 6691-09 ( ASTM, 2009 ], and municipal sewage sludge [D 5210

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Shawna Loper, Amy L. Shober, Christine Wiese, Geoffrey C. Denny, Craig D. Stanley, and Edward F. Gilman

nitrogen (N) concentration in field soils amended with sewage sludge or municipal solids waste compost (467 and 251 mg·kg −1 , respectively) compared with an unamended soil (79 mg·kg −1 ). Johnson et al. (2006) reported an increase in soil phosphorus (P

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Jehanzeb Khan, Yubin Yang, Qiang Fu, Weiqiang Shao, Jianke Wang, Li Shen, Yan Huai, Guy Kateta Malangisha, Abid Ali, Ahmed Mahmoud, Yi Lin, Yongyuan Ren, Jinghua Yang, Zhongyuan Hu, and Mingfang Zhang

Lead (plumbum, Pb) is a nonessential element for plants and one of the hazardous heavy-metal pollutants in the environment. The most important sources of Pb contamination are mining, pesticides, fossil fuels, sewage sludge, and fertilizers ( Huang