condition mean min max 12pM Fe,Midday 33.4192 33.4192 33.4192 12pM Fe,Midnight 24.29695 22.2355 26.3584 58pM Fe,Midday 43.0844 43.0844 43.0844 58pM Fe,Midnight 17.236914285714285 0.0 23.6066 233pM Fe,Midnight 24.6516 23.2782 26.5073 1160pM Fe,Midday 25.627485714285715 21.9863 30.0469 1160pM Fe,Midnight 13.548964166666666 8.97157 17.4784 High carbon,Dark 26.06886666666667 12.3406 53.252 High carbon,Light 24.95774692307692 5.54496 52.0974 Low carbon,Dark 16.3499 16.3499 16.3499 Phloroglucinol 26.947433333333333 22.1506 32.6839 Silicon starvation,12h 55.7145 55.7145 55.7145