condition mean min max 12pM Fe,Midday 34.445 34.445 34.445 12pM Fe,Midnight 28.07325 24.4237 31.7228 58pM Fe,Midday 26.6687 26.6687 26.6687 58pM Fe,Midnight 17.448371428571427 0.0 25.0792 233pM Fe,Midnight 18.1869 16.8198 19.8965 1160pM Fe,Midday 18.16934285714286 15.0303 21.6833 1160pM Fe,Midnight 5.002206666666667 3.3651 7.6083 High carbon,Dark 13.103356 2.80081 22.5076 High carbon,Light 7.802219846153846 0.921738 14.3158 Low carbon,Dark 19.0813 19.0813 19.0813 Phloroglucinol 10.832413333333333 8.82988 14.6004 Silicon starvation,12h 20.9344 20.9344 20.9344