condition mean min max 12pM Fe,Midday 29.2082 29.2082 29.2082 12pM Fe,Midnight 23.2831 21.1171 25.4491 58pM Fe,Midday 23.7205 23.7205 23.7205 58pM Fe,Midnight 15.509742857142857 0.0 19.9242 233pM Fe,Midnight 20.073433333333334 18.9998 21.2064 1160pM Fe,Midday 22.34937142857143 21.2831 23.0745 1160pM Fe,Midnight 10.255753333333333 7.02979 16.172 High carbon,Dark 20.304642666666666 9.25684 34.518 High carbon,Light 18.680536153846155 6.09735 32.2053 Low carbon,Dark 19.9926 19.9926 19.9926 Phloroglucinol 20.622466666666668 16.0629 26.3737 Silicon starvation,12h 28.1149 28.1149 28.1149