condition mean min max 12pM Fe,Midday 23.3467 23.3467 23.3467 12pM Fe,Midnight 19.6505 18.155 21.146 58pM Fe,Midday 19.9138 19.9138 19.9138 58pM Fe,Midnight 10.010785714285714 0.0 14.0241 233pM Fe,Midnight 12.881233333333332 12.1191 14.2118 1160pM Fe,Midday 11.637042857142857 10.7688 12.3472 1160pM Fe,Midnight 3.3993391666666666 1.42203 5.07291 High carbon,Dark 10.805376 3.01004 19.8555 High carbon,Light 5.301929076923077 0.0 17.4686 Low carbon,Dark 12.304 12.304 12.304 Phloroglucinol 16.64774 7.38072 31.5256 Silicon starvation,12h 15.4376 15.4376 15.4376