condition mean min max 12pM Fe,Midday 21.2619 21.2619 21.2619 12pM Fe,Midnight 30.356 27.8177 32.8943 58pM Fe,Midday 16.6894 16.6894 16.6894 58pM Fe,Midnight 25.800585714285713 17.0552 60.9541 233pM Fe,Midnight 19.151733333333333 18.6739 19.7551 1160pM Fe,Midday 16.652985714285713 14.3327 19.3412 1160pM Fe,Midnight 7.876295833333333 3.97801 13.1335 High carbon,Dark 17.034342666666667 1.96282 34.514 High carbon,Light 14.734598307692307 0.807558 43.9965 Low carbon,Dark 18.3894 18.3894 18.3894 Phloroglucinol 31.034233333333333 27.2096 37.8498 Silicon starvation,12h 22.5362 22.5362 22.5362