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  ENST 421: Soil Chemistry, 4 credits

Three hours of lecture and three hours of laboratory per week. Prerequisite: ENST200 (formerly NRSC200). Credit will be granted for only one of the following: NRSC421 or ENST421. Formerly NRSC421. The chemistry and composition of mineral and organic colloids in soils, including ion exchange, oxidation-reduction, acidity, surface charge, and solution chemistry. Lectures and readings pertain to plant nutrition, waste disposal, and groundwater quality.

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