condition mean min max 12pM Fe,Midday 50.7911 50.7911 50.7911 12pM Fe,Midnight 21.1894 20.7088 21.67 58pM Fe,Midday 56.466 56.466 56.466 58pM Fe,Midnight 17.506757142857143 0.0 21.7684 233pM Fe,Midnight 28.8476 25.834 31.0228 1160pM Fe,Midday 32.683814285714284 28.8041 35.8448 1160pM Fe,Midnight 48.84565 25.0398 79.9565 High carbon,Dark 90.92888 27.5548 340.579 High carbon,Light 88.75532230769231 8.67779 190.708 Low carbon,Dark 23.2787 23.2787 23.2787 Phloroglucinol 476.115 436.601 511.518 Silicon starvation,12h 98.3662 98.3662 98.3662