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Fig. 3 | Forest Ecosystems

Fig. 3

From: Optimal nitrogen fertilization of boreal conifer forest

Fig. 3

Effect of fertilization on net present value (NPV). The upper diagram shows the average increase of the NPV in all stands (of which 68–100% were fertilized) and the lower diagram shows the increase in NPV in those stands where fertilization belonged to the optimal management schedule (68–100% of stands)

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