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Figure 1


Fig. 1. Average NO3–N measured in soil at harvest. Treatments: N150—150 kg ha–1 of NH4NO3–N; SC15—15 Mg ha–1 dry matter paper mill soil conditioner; SC15N75—15 Mg ha–1 dry matter paper mill soil conditioner and 75 kg ha–1 of NH4NO3–N; SC25—25 Mg ha–1 dry matter paper mill soil conditioner.