condition mean min max 12pM Fe,Midday 45.9332 45.9332 45.9332 12pM Fe,Midnight 35.8357 32.0332 39.6382 58pM Fe,Midday 26.299 26.299 26.299 58pM Fe,Midnight 29.95574285714286 0.0 43.8144 233pM Fe,Midnight 38.184066666666666 36.851 39.1778 1160pM Fe,Midday 24.036185714285715 19.0215 27.8568 1160pM Fe,Midnight 19.042083333333334 11.3822 32.4324 High carbon,Dark 35.273 16.5396 60.8104 High carbon,Light 27.16266153846154 7.63525 54.7569 Low carbon,Dark 40.3933 40.3933 40.3933 Phloroglucinol 46.1265 38.0951 57.0662 Silicon starvation,12h 43.6601 43.6601 43.6601