condition mean min max 12pM Fe,Midday 52.176 52.176 52.176 12pM Fe,Midnight 46.0105 45.3566 46.6644 58pM Fe,Midday 51.3765 51.3765 51.3765 58pM Fe,Midnight 32.94435714285714 0.0 41.1094 233pM Fe,Midnight 31.0169 28.8277 33.2062 1160pM Fe,Midday 30.686 28.5732 33.4932 1160pM Fe,Midnight 23.623866666666668 18.2387 31.1556 High carbon,Dark 30.989858666666667 8.90568 42.7919 High carbon,Light 31.07499230769231 11.0265 58.8699 Low carbon,Dark 26.5222 26.5222 26.5222 Phloroglucinol 31.732599999999998 23.3444 45.0269 Silicon starvation,12h 73.2268 73.2268 73.2268