condition mean min max 12pM Fe,Midday 23.6703 23.6703 23.6703 12pM Fe,Midnight 26.98335 26.2146 27.7521 58pM Fe,Midday 22.8486 22.8486 22.8486 58pM Fe,Midnight 25.729214285714285 0.0 41.7698 233pM Fe,Midnight 45.7639 40.7798 48.4351 1160pM Fe,Midday 19.970771428571428 13.4709 39.4925 1160pM Fe,Midnight 19.994806666666666 2.60607 54.8649 High carbon,Dark 73.61238266666666 8.76994 196.318 High carbon,Light 31.427043076923077 4.58049 131.622 Low carbon,Dark 49.4528 49.4528 49.4528 Phloroglucinol 3.416176666666667 1.3484 7.53969 Silicon starvation,12h 25.0113 25.0113 25.0113