condition mean min max 12pM Fe,Midday 13.7702 13.7702 13.7702 12pM Fe,Midnight 42.07225 39.7465 44.398 58pM Fe,Midday 9.3663 9.3663 9.3663 58pM Fe,Midnight 40.03445714285714 0.0 57.3519 233pM Fe,Midnight 36.79923333333333 34.0692 39.0801 1160pM Fe,Midday 18.544228571428572 15.0275 21.0447 1160pM Fe,Midnight 26.782316666666667 24.2405 29.4833 High carbon,Dark 27.013093333333334 12.255 43.5004 High carbon,Light 21.121381538461538 8.05153 64.0214 Low carbon,Dark 12.4819 12.4819 12.4819 Phloroglucinol 4.284996666666666 3.05234 5.36093 Silicon starvation,12h 24.8901 24.8901 24.8901