condition mean min max 12pM Fe,Midday 41.4303 41.4303 41.4303 12pM Fe,Midnight 27.1496 24.9222 29.377 58pM Fe,Midday 28.7525 28.7525 28.7525 58pM Fe,Midnight 23.207114285714287 0.0 29.5795 233pM Fe,Midnight 17.59926666666667 16.2026 18.5923 1160pM Fe,Midday 25.05677142857143 18.5215 42.2807 1160pM Fe,Midnight 20.793824166666667 8.12169 31.5122 High carbon,Dark 24.898826666666665 5.64597 127.466 High carbon,Light 17.075227153846154 0.239123 38.1755 Low carbon,Dark 10.2304 10.2304 10.2304 Phloroglucinol 25.993933333333334 20.478 30.7972 Silicon starvation,12h 43.563 43.563 43.563