Fig. 2

Element deliveries from field. Mean element deliveries in g ha⁻¹ a⁻¹ for selected variants of all four repetitions on Reinshof and Sömmerling for both years, Second crop = maize as succeeding crop, errorbars = standard errors (SE), different letters indicate significant differences between the variants from Tukey’s HSD Test, NA = not available, RG = ryegrass, CP = cup plant, A = amaranth, M = maize, FB Wi = wi faba bean, Tri = triticale, FB Wi Tri = wi faba bean/triticale