condition mean min max 12pM Fe,Midday 36.9437 36.9437 36.9437 12pM Fe,Midnight 39.15685 36.3709 41.9428 58pM Fe,Midday 29.2026 29.2026 29.2026 58pM Fe,Midnight 29.160742857142857 0.0 39.2133 233pM Fe,Midnight 23.2853 20.2731 25.1548 1160pM Fe,Midday 30.213842857142858 23.7065 34.7241 1160pM Fe,Midnight 25.905116666666665 21.144 31.8951 High carbon,Dark 33.858806666666666 13.694 52.6732 High carbon,Light 38.47127692307692 10.3649 95.409 Low carbon,Dark 19.2103 19.2103 19.2103 Phloroglucinol 40.27546666666667 31.1752 51.3464 Silicon starvation,12h 48.4857 48.4857 48.4857