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Herbicide movement and dissipation at four Midwestern sites.
Clay SA, Dowdy RH, Lamb JA, Anderson JL, Lowery B, Knighton RE, Clay DE. Clay SA, et al. Among authors: knighton re. J Environ Sci Health B. 2000 May;35(3):259-78. doi: 10.1080/03601230009373269. J Environ Sci Health B. 2000. PMID: 10808992
Ammonia assessment from agriculture: U.S. status and needs.
Aneja VP, Blunden J, James K, Schlesinger WH, Knighton R, Gilliam W, Jennings G, Niyogi D, Cole S. Aneja VP, et al. J Environ Qual. 2008 Mar-Apr;37(2):515-20. doi: 10.2134/jeq2007.0002in. J Environ Qual. 2008. PMID: 18389937