condition mean min max 12pM Fe,Midday 32.8449 32.8449 32.8449 12pM Fe,Midnight 26.96415 25.4275 28.5008 58pM Fe,Midday 25.113 25.113 25.113 58pM Fe,Midnight 20.854485714285715 17.2626 23.6834 233pM Fe,Midnight 17.332866666666668 16.6022 17.9704 1160pM Fe,Midday 22.9722 21.0973 25.5144 1160pM Fe,Midnight 24.257675 21.4457 26.7775 High carbon,Dark 19.297966666666667 15.7044 24.7016 High carbon,Light 19.987676153846152 6.31723 26.3642 Low carbon,Dark 16.7802 16.7802 16.7802 Phloroglucinol 18.971533333333333 13.4427 25.7815 Silicon starvation,12h 25.5488 25.5488 25.5488