Fig. 2. The NO^-₃–N concentration of drainage water (mg L^-1) during Year 1 and 2 winter periods for (a) Soil C, (b) Soil B, and (c) Soil L. Symbols: •, fall, total N; , summer, total N; , spring, total N; , fall, urinary N; , summer, urinary N; , spring, urinary N.

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