condition mean min max 12pM Fe,Midday 34.3018 34.3018 34.3018 12pM Fe,Midnight 23.263550000000002 21.3652 25.1619 58pM Fe,Midday 36.3138 36.3138 36.3138 58pM Fe,Midnight 26.884414285714286 0.0 34.3793 233pM Fe,Midnight 81.63606666666666 76.484 85.8137 1160pM Fe,Midday 8.278565714285714 6.7436 10.2905 1160pM Fe,Midnight 75.11868333333334 31.1568 152.111 High carbon,Dark 157.39910666666665 28.9119 393.054 High carbon,Light 116.57536223076923 0.0 358.803 Low carbon,Dark 22.8929 22.8929 22.8929 Phloroglucinol 58.496966666666665 24.5907 99.9873 Silicon starvation,12h 93.5754 93.5754 93.5754