condition mean min max 12pM Fe,Midday 13.2332 13.2332 13.2332 12pM Fe,Midnight 25.106099999999998 18.101 32.1112 58pM Fe,Midday 3.90311 3.90311 3.90311 58pM Fe,Midnight 31.241085714285713 0.0 94.0183 233pM Fe,Midnight 71.61003333333333 58.6527 87.5007 1160pM Fe,Midday 7.1964242857142855 0.0 13.5553 1160pM Fe,Midnight 53.9976525 3.70063 145.944 High carbon,Dark 13.676102 0.0 31.5633 High carbon,Light 5.772305384615384 0.0 26.3677 Low carbon,Dark 14.3356 14.3356 14.3356 Phloroglucinol 15.409556666666667 8.36627 24.042 Silicon starvation,12h 7.52926 7.52926 7.52926