condition mean min max 12pM Fe,Midday 59.389 59.389 59.389 12pM Fe,Midnight 55.0847 54.2878 55.8816 58pM Fe,Midday 75.3107 75.3107 75.3107 58pM Fe,Midnight 54.87591428571429 32.0137 134.471 233pM Fe,Midnight 14.8515 13.4128 15.5936 1160pM Fe,Midday 19.15627142857143 17.0873 22.0909 1160pM Fe,Midnight 39.232475 14.3644 57.0519 High carbon,Dark 24.070353333333333 9.8924 49.9607 High carbon,Light 25.030295384615386 4.2312 60.5859 Low carbon,Dark 7.37617 7.37617 7.37617 Phloroglucinol 52.52546666666667 33.3036 78.4752 Silicon starvation,12h 23.2444 23.2444 23.2444