Fig. 6. Top and root weight of Brown Loam (BL), and the acid-soil-resistant Cycles 1 and 2 (BL-ASR₃₃-C1, BL-ASR₁₇-C1, BL-ASR₉-C1, BL-ASR₁₀-C2) and Al-susceptible Cycle 1 (BL-AlS₃₃-C1) white clover populations derived from it, when grown at two levels of soil pH and resistance index, indicating acid-soil resistance, for those characteristics at pH 4.2. Symbols within characters followed by the same letter are not significantly different at the 0.05 probability level. Vertical axis scales have been adjusted so that standard error bars for both characters are approximately equal in size.