condition mean min max 12pM Fe,Midday 47.5477 47.5477 47.5477 12pM Fe,Midnight 36.874 36.8676 36.8804 58pM Fe,Midday 39.207 39.207 39.207 58pM Fe,Midnight 32.96324285714286 27.0055 56.1547 233pM Fe,Midnight 19.443666666666665 18.5073 20.0196 1160pM Fe,Midday 29.90487142857143 27.8911 32.484 1160pM Fe,Midnight 30.999791666666667 11.7001 49.3109 High carbon,Dark 20.12609 4.52129 41.112 High carbon,Light 15.786132307692307 2.23192 34.0782 Low carbon,Dark 15.273 15.273 15.273 Phloroglucinol 45.34113333333333 41.3264 49.5062 Silicon starvation,12h 37.2992 37.2992 37.2992