condition mean min max 12pM Fe,Midday 20.7509 20.7509 20.7509 12pM Fe,Midnight 20.5306 18.5589 22.5023 58pM Fe,Midday 23.2263 23.2263 23.2263 58pM Fe,Midnight 12.550485714285715 0.0 16.8219 233pM Fe,Midnight 22.545866666666665 20.3234 24.5174 1160pM Fe,Midday 13.821900000000001 9.7337 16.1748 1160pM Fe,Midnight 10.5691125 8.41273 12.5363 High carbon,Dark 25.45814 14.3896 47.1135 High carbon,Light 25.111741923076924 0.995185 57.6872 Low carbon,Dark 19.0212 19.0212 19.0212 Phloroglucinol 37.784866666666666 35.8814 38.9086 Silicon starvation,12h 69.2251 69.2251 69.2251