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The effect of three levels (control, intermediate, and high) of five types of stress (drought, nutrient deficiency, defoliation, shade, and waterlogging) on (a) leaf chlorophyll content, and (c) the number of nodules of Anthyllis vulneraria. (b, d) The effect of inbreeding (open‐ vs. self‐pollination) on (b) leaf chlorophyll content, and (d) the number of nodules of A. vulneraria. Note the log‐scale for number of nodules. Means ± 1 SE.
