condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.15590628571428572 0.0 0.479999 233pM Fe,Midnight 0.19771766666666665 0.118059 0.240065 1160pM Fe,Midday 0.04367157142857143 0.0 0.160061 1160pM Fe,Midnight 0.6755960833333333 0.0 1.94601 High carbon,Dark 1.5062204 0.0 6.40237 High carbon,Light 0.32577884615384617 0.0 0.929974 Low carbon,Dark 0.616092 0.616092 0.616092 Phloroglucinol 5.055268 0.0 14.207 Silicon starvation,12h 0.0 0.0 0.0