condition mean min max 12pM Fe,Midday 78.3049 78.3049 78.3049 12pM Fe,Midnight 77.0791 69.5607 84.5975 58pM Fe,Midday 228.181 228.181 228.181 58pM Fe,Midnight 104.61784285714286 48.8237 177.504 233pM Fe,Midnight 31.050533333333334 29.6842 31.8735 1160pM Fe,Midday 40.853528571428576 35.6261 48.3825 1160pM Fe,Midnight 18.37184166666667 15.3868 21.5369 High carbon,Dark 30.000413333333334 20.0111 41.966 High carbon,Light 25.603753076923077 7.02019 43.7812 Low carbon,Dark 22.3233 22.3233 22.3233 Phloroglucinol 23.943 16.4174 32.892 Silicon starvation,12h 43.1573 43.1573 43.1573