Managing agriculture and water quality : four essays on the control of large-scale nitrogen pollution /Author: Brady, Mark.
Publisher: Uppsala : Swedish University of Agricultural Sciences,
Date: 2003. This title can be found in 1 Iowa libraries.
Water pollution from agriculture in the context of land use planning /Author: Nishizawa, Eiichiro.
Publisher: Tokyo, Japan : National Research Institute of Agricultural Economics,
Date: [1998] This title can be found in 1 Iowa libraries.
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