condition mean min max 12pM Fe,Midday 16.965 16.965 16.965 12pM Fe,Midnight 11.22912 9.90594 12.5523 58pM Fe,Midday 11.0954 11.0954 11.0954 58pM Fe,Midnight 9.5267 0.0 11.9698 233pM Fe,Midnight 5.47862 5.17824 5.65316 1160pM Fe,Midday 9.116258571428572 8.34556 9.81676 1160pM Fe,Midnight 4.892686666666666 4.17063 5.94985 High carbon,Dark 8.902757333333334 1.59417 16.1081 High carbon,Light 6.321773846153846 1.54415 11.8914 Low carbon,Dark 6.21085 6.21085 6.21085 Phloroglucinol 7.22743 4.6633 12.0608 Silicon starvation,12h 16.024 16.024 16.024