condition mean min max 12pM Fe,Midday 52.7023 52.7023 52.7023 12pM Fe,Midnight 140.113 139.512 140.714 58pM Fe,Midday 39.9715 39.9715 39.9715 58pM Fe,Midnight 126.54402857142857 48.6622 171.031 233pM Fe,Midnight 86.60426666666666 83.2896 89.969 1160pM Fe,Midday 42.52524285714286 37.0104 47.5272 1160pM Fe,Midnight 63.76773333333333 56.4573 74.9362 High carbon,Dark 143.44476666666668 16.0551 216.093 High carbon,Light 60.04509230769231 32.8871 112.514 Low carbon,Dark 86.9739 86.9739 86.9739 Phloroglucinol 62.681133333333335 26.3959 96.7134 Silicon starvation,12h 60.9066 60.9066 60.9066