Fig. 3

The enzyme activities of soil collected from (A) Mvutshini, (B) Mpembeni, (C) Mzinto, (D) Hibberdene and (E) Gingindlovu pre-planting and post-Vicia sativa and Vicia villosa harvest. The different values are presented as mean ± SE. Different letters show significant differences between treatments after Two-Way ANOVA.