condition mean min max 12pM Fe,Midday 35.9043 35.9043 35.9043 12pM Fe,Midnight 34.3863 31.9388 36.8338 58pM Fe,Midday 28.6191 28.6191 28.6191 58pM Fe,Midnight 45.4311 24.2425 158.225 233pM Fe,Midnight 23.673266666666667 21.7944 24.7402 1160pM Fe,Midday 28.258742857142856 24.6202 33.6974 1160pM Fe,Midnight 13.896758333333333 10.9085 16.4605 High carbon,Dark 23.485901333333334 7.77173 43.8213 High carbon,Light 18.416075384615386 1.74689 39.9093 Low carbon,Dark 21.9389 21.9389 21.9389 Phloroglucinol 18.327233333333332 11.4352 25.0681 Silicon starvation,12h 34.6946 34.6946 34.6946