condition mean min max 12pM Fe,Midday 65.3341 65.3341 65.3341 12pM Fe,Midnight 65.1695 64.7131 65.6259 58pM Fe,Midday 56.6705 56.6705 56.6705 58pM Fe,Midnight 40.40777142857143 0.0 51.5609 233pM Fe,Midnight 50.096666666666664 48.9105 51.0623 1160pM Fe,Midday 38.84282857142857 36.911 40.8928 1160pM Fe,Midnight 24.494775 19.5101 32.8363 High carbon,Dark 42.92132 20.3016 62.9431 High carbon,Light 31.794307692307694 3.08335 46.0802 Low carbon,Dark 28.0809 28.0809 28.0809 Phloroglucinol 37.38223333333333 29.4464 51.7931 Silicon starvation,12h 44.7198 44.7198 44.7198