condition mean min max 12pM Fe,Midday 28.2748 28.2748 28.2748 12pM Fe,Midnight 18.518099999999997 18.2414 18.7948 58pM Fe,Midday 21.15 21.15 21.15 58pM Fe,Midnight 10.560014285714287 0.0 15.07 233pM Fe,Midnight 10.782566666666666 10.3474 11.2031 1160pM Fe,Midday 19.561657142857143 17.3555 22.2935 1160pM Fe,Midnight 5.581954166666667 3.56187 7.82597 High carbon,Dark 9.23551 2.03589 17.9149 High carbon,Light 11.516869538461538 0.686424 26.333 Low carbon,Dark 11.368 11.368 11.368 Phloroglucinol 16.4349 14.5213 20.0874 Silicon starvation,12h 21.3118 21.3118 21.3118