condition mean min max 12pM Fe,Midday 48.3245 48.3245 48.3245 12pM Fe,Midnight 39.28785 38.1325 40.4432 58pM Fe,Midday 33.3827 33.3827 33.3827 58pM Fe,Midnight 23.4948 0.0 30.6331 233pM Fe,Midnight 30.334733333333332 27.914 33.7909 1160pM Fe,Midday 21.951714285714285 19.1483 26.8673 1160pM Fe,Midnight 22.50525 15.3824 26.9223 High carbon,Dark 26.626246666666667 10.4137 43.5631 High carbon,Light 22.295636923076923 6.23888 38.4499 Low carbon,Dark 39.9516 39.9516 39.9516 Phloroglucinol 19.336033333333333 17.0001 22.3822 Silicon starvation,12h 39.1927 39.1927 39.1927