condition mean min max 12pM Fe,Midday 2.19914 2.19914 2.19914 12pM Fe,Midnight 2.65271 2.25607 3.04935 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 2.569972857142857 0.0 3.62963 233pM Fe,Midnight 1.0670503333333332 0.454412 2.28259 1160pM Fe,Midday 0.911848 0.0 2.93214 1160pM Fe,Midnight 1.2312116666666666 0.0 3.25722 High carbon,Dark 5.627008666666667 0.0 16.6549 High carbon,Light 2.591533846153846 0.0 10.2244 Low carbon,Dark 19.0587 19.0587 19.0587 Phloroglucinol 0.3089636666666667 0.0 0.926891 Silicon starvation,12h 10.8441 10.8441 10.8441