Figure 2

Interaction effects of N, P, and K on yield and the number of pods per plant. The vertical line represents the values of yield and pods per plant. (a) Interaction effects of N and P on yield. (b) Interaction effects of N and K on yield. (c) Interaction effects of P and K on yield. (d) Interaction effects of N and P on the number of pods per plant. (e) Interaction effects of N and K on the number of pods per plant. (f) Interaction effects of P and K on the number of pods per plant.