condition mean min max 12pM Fe,Midday 34.0446 34.0446 34.0446 12pM Fe,Midnight 32.983900000000006 32.8329 33.1349 58pM Fe,Midday 29.4806 29.4806 29.4806 58pM Fe,Midnight 22.7131 0.0 30.1359 233pM Fe,Midnight 24.17376666666667 23.4491 25.3333 1160pM Fe,Midday 26.732557142857143 22.7678 29.4091 1160pM Fe,Midnight 13.285116666666667 11.189 15.1352 High carbon,Dark 17.55646666666667 2.07533 32.2599 High carbon,Light 12.03657 2.56202 21.4523 Low carbon,Dark 17.4948 17.4948 17.4948 Phloroglucinol 32.574733333333334 19.0402 41.1166 Silicon starvation,12h 21.8537 21.8537 21.8537