condition mean min max 12pM Fe,Midday 64.1617 64.1617 64.1617 12pM Fe,Midnight 60.08155 50.9195 69.2436 58pM Fe,Midday 31.0646 31.0646 31.0646 58pM Fe,Midnight 53.278685714285714 35.4505 143.451 233pM Fe,Midnight 28.654233333333334 25.0398 31.2686 1160pM Fe,Midday 30.712885714285715 27.1898 36.1561 1160pM Fe,Midnight 14.998326666666667 9.36692 24.3808 High carbon,Dark 29.539878 5.27924 49.2626 High carbon,Light 27.591461538461537 1.42539 94.9688 Low carbon,Dark 26.8848 26.8848 26.8848 Phloroglucinol 52.102666666666664 26.5507 87.152 Silicon starvation,12h 38.1132 38.1132 38.1132