Fig. 3From: Arabidopsis seedlings respond differentially to nutrient efficacy of three rock meals by regulating root architecture and endogenous auxin homeostasisEffects of separate addition of N, P, and K elements to growth media on 2-week-old Arabidopsis seedling growth. a photographs of Arabidopsis seedlings with or without added nutrients; b fresh weight; c primary root length; d lateral root length; e lateral root density; f root hair length; g root hair density; h photographs showing root hairs. Data are presented as mean (n = 30) ± SD. * and ** indicate p < 0.05 and p < 0.01, respectivelyBack to article page