condition mean min max 12pM Fe,Midday 66.3006 66.3006 66.3006 12pM Fe,Midnight 60.648450000000004 55.6739 65.623 58pM Fe,Midday 67.8969 67.8969 67.8969 58pM Fe,Midnight 32.09121428571429 0.0 39.8636 233pM Fe,Midnight 23.737866666666665 22.4242 25.304 1160pM Fe,Midday 36.3586 30.3327 44.9441 1160pM Fe,Midnight 34.12898333333333 17.562 47.6766 High carbon,Dark 35.651363333333336 4.78635 88.7893 High carbon,Light 21.393348461538462 4.80023 47.0444 Low carbon,Dark 37.9195 37.9195 37.9195 Phloroglucinol 10.306386666666667 7.91346 12.1577 Silicon starvation,12h 2.65545 2.65545 2.65545