condition mean min max 12pM Fe,Midday 60.1753 60.1753 60.1753 12pM Fe,Midnight 42.579049999999995 39.9891 45.169 58pM Fe,Midday 51.123 51.123 51.123 58pM Fe,Midnight 29.5366 23.0512 31.8931 233pM Fe,Midnight 20.843966666666667 19.616 21.4837 1160pM Fe,Midday 22.346085714285714 20.8049 23.652 1160pM Fe,Midnight 13.559538333333334 9.48802 17.1593 High carbon,Dark 24.907463333333332 7.60525 46.647 High carbon,Light 15.407899230769232 4.00236 31.6553 Low carbon,Dark 24.551 24.551 24.551 Phloroglucinol 19.3832 14.506 27.0813 Silicon starvation,12h 24.7192 24.7192 24.7192