condition mean min max 12pM Fe,Midday 18.9155 18.9155 18.9155 12pM Fe,Midnight 29.4592 24.6757 34.2427 58pM Fe,Midday 13.0179 13.0179 13.0179 58pM Fe,Midnight 26.854485714285715 0.0 36.0861 233pM Fe,Midnight 44.771566666666665 42.9024 46.7578 1160pM Fe,Midday 11.206175714285715 9.73292 14.9235 1160pM Fe,Midnight 42.71715833333333 22.6813 73.4006 High carbon,Dark 28.350766666666665 11.4171 48.1157 High carbon,Light 16.30092846153846 6.04907 26.3342 Low carbon,Dark 16.3171 16.3171 16.3171 Phloroglucinol 22.273433333333333 20.2057 25.6891 Silicon starvation,12h 34.9443 34.9443 34.9443