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Figure 2


Fig. 2. Treatment means for DM yield, Year 2. Model equation: t ha–1 = 1.071 + (NA x 1.959 x 10–2) + (PA x.129) + (NA x PA x 1.746 x 10–4) – (NA x NA x 3.079 x 10–5) – (PA x PA x 1.690 x 10–3), (n = 83, R2 = 0.93, s = 0.764).