Agronomy Journal -- Tejada and Gonzalez 98 (3): 749 Figure IG4

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Fig. 4. Leaching losses of P and K from soils. Error bars represent the standard deviation. CC1: 20 t ha^–1 of compost; CC2: 40 t ha^–1 of compost; CCM1: 20 t ha^–1 of compost plus 400 kg N ha^–1 (as NH₄NO₃); CCM2: 40 t ha^–1 of compost plus 400 kg N ha^–1.