People : Brobst, R.B.
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Ippolito, J.A. and Barbarick, K.A. and Brobst, R.B. (2014) Copper and zinc speciation in a biosolids-amended semiarid grassland soil. Journal of Environmental Quality. 43:1576-1584.
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Ippolito, J.A. and Barbarack, K.A. and Brobst, R.B. (2009) Fate of biosolids Cu and Zn in a semi-arid grassland. Agriculture, Ecosystems and Environment. 131:325-332.
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Ippolito, J.A. and Barbarick, K.A. and Paschke, M.W. and Brobst, R.B. (2010) Infrequent Composted Biosolids Applications Affect Semi-arid Grassland Soils and Vegetation. Journal of Environmental Management. 91:1123-1130. Elsevier.
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Ippolito, J.A. and Barbarack, K.A. and Stromberger, M.E. and Paschke, M.W. and Brobst, R.B. (2009) Water treatment residuals and biosolids long-term co-applications effects to semi-arid grassland soils and vegetation. Soil Science Society of America Journal. 73(6):1880-1889.