condition mean min max 12pM Fe,Midday 47.13 47.13 47.13 12pM Fe,Midnight 31.2954 31.0822 31.5086 58pM Fe,Midday 36.9368 36.9368 36.9368 58pM Fe,Midnight 19.159214285714285 0.0 28.789 233pM Fe,Midnight 14.447566666666667 13.6419 15.0252 1160pM Fe,Midday 25.81612857142857 19.6766 36.0876 1160pM Fe,Midnight 10.527951666666667 6.25829 14.1758 High carbon,Dark 16.854651333333333 3.61327 25.407 High carbon,Light 15.184793076923077 1.58549 35.3169 Low carbon,Dark 12.0347 12.0347 12.0347 Phloroglucinol 11.339319999999999 8.93896 12.8439 Silicon starvation,12h 23.7509 23.7509 23.7509