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CIR 1494: Groundwater Nitrogen: Behavior in Flatwoods and Gravel Soils Using Organic Amendments for Vegetable Production

Figure 4. Mean groundwater nitrate-N concentrations in shallow wells at the sandy soil site (each point is an average of four replications). BS is biosolids; MSW-BS is municipal solid waste-biosolids; YFC is yard and food waste compost; Fert is inorganic fertilizer.