condition mean min max 12pM Fe,Midday 33.9657 33.9657 33.9657 12pM Fe,Midnight 25.758699999999997 25.4257 26.0917 58pM Fe,Midday 30.5626 30.5626 30.5626 58pM Fe,Midnight 13.394171428571429 0.0 17.0617 233pM Fe,Midnight 18.166333333333334 17.3719 19.4285 1160pM Fe,Midday 25.672371428571427 23.1881 27.2929 1160pM Fe,Midnight 6.300933333333333 5.24386 7.32065 High carbon,Dark 16.280092 7.48498 22.3343 High carbon,Light 14.204165384615385 3.79793 27.4874 Low carbon,Dark 12.6651 12.6651 12.6651 Phloroglucinol 18.646066666666666 12.5004 27.5007 Silicon starvation,12h 25.7206 25.7206 25.7206