condition mean min max 12pM Fe,Midday 2.13858 2.13858 2.13858 12pM Fe,Midnight 38.500550000000004 38.0805 38.9206 58pM Fe,Midday 0.27033 0.27033 0.27033 58pM Fe,Midnight 32.990228571428574 0.0 48.5667 233pM Fe,Midnight 30.288566666666664 28.9199 32.4017 1160pM Fe,Midday 3.863032857142857 2.44405 6.34022 1160pM Fe,Midnight 44.123216666666664 35.4984 51.5645 High carbon,Dark 23.546572666666666 2.17897 78.2625 High carbon,Light 31.608336384615384 0.719433 115.662 Low carbon,Dark 13.9004 13.9004 13.9004 Phloroglucinol 11.647943333333334 7.80543 16.4177 Silicon starvation,12h 26.4216 26.4216 26.4216