condition mean min max 12pM Fe,Midday 83.9795 83.9795 83.9795 12pM Fe,Midnight 68.5602 63.7982 73.3222 58pM Fe,Midday 67.4578 67.4578 67.4578 58pM Fe,Midnight 58.6505 28.5077 211.727 233pM Fe,Midnight 33.79063333333333 29.906 37.7121 1160pM Fe,Midday 46.6168 40.4165 57.3288 1160pM Fe,Midnight 14.922298333333334 5.49642 22.4921 High carbon,Dark 30.347953333333333 5.32726 56.2253 High carbon,Light 31.940835384615383 0.0 58.4043 Low carbon,Dark 31.9383 31.9383 31.9383 Phloroglucinol 64.1667 48.8915 85.62 Silicon starvation,12h 66.42 66.42 66.42