condition mean min max 12pM Fe,Midday 40.4255 40.4255 40.4255 12pM Fe,Midnight 33.955 32.1074 35.8026 58pM Fe,Midday 225.93 225.93 225.93 58pM Fe,Midnight 81.78602857142857 24.7939 185.429 233pM Fe,Midnight 11.2605 10.3952 12.7157 1160pM Fe,Midday 14.245342857142857 10.782 18.1521 1160pM Fe,Midnight 7.234955833333333 5.10533 9.69824 High carbon,Dark 14.053023333333332 6.61386 28.2641 High carbon,Light 9.514633153846153 0.365861 17.9596 Low carbon,Dark 13.9856 13.9856 13.9856 Phloroglucinol 5.4709 4.08687 7.74979 Silicon starvation,12h 15.4328 15.4328 15.4328