condition mean min max 12pM Fe,Midday 1.20082 1.20082 1.20082 12pM Fe,Midnight 4.539525 3.33015 5.7489 58pM Fe,Midday 1.23963 1.23963 1.23963 58pM Fe,Midnight 13.64139 2.19592 71.1459 233pM Fe,Midnight 8.210726666666666 7.3499 9.18074 1160pM Fe,Midday 0.11129042857142857 0.0 0.330951 1160pM Fe,Midnight 3.22932225 0.771218 7.82567 High carbon,Dark 6.351394666666667 0.0 14.06 High carbon,Light 1.8373577692307692 0.0 6.67052 Low carbon,Dark 5.52865 5.52865 5.52865 Phloroglucinol 0.26213733333333333 0.12653 0.40906 Silicon starvation,12h 0.227743 0.227743 0.227743