condition mean min max 12pM Fe,Midday 89.8052 89.8052 89.8052 12pM Fe,Midnight 77.39335 73.3011 81.4856 58pM Fe,Midday 68.3832 68.3832 68.3832 58pM Fe,Midnight 68.98621428571428 62.7433 75.7981 233pM Fe,Midnight 43.42013333333333 41.0316 46.7815 1160pM Fe,Midday 57.164942857142854 47.2276 67.8209 1160pM Fe,Midnight 68.32298333333333 36.8343 93.6631 High carbon,Dark 53.039076666666666 3.44881 144.914 High carbon,Light 45.93041692307692 6.4322 130.373 Low carbon,Dark 59.8837 59.8837 59.8837 Phloroglucinol 13.272836666666667 9.62861 16.6258 Silicon starvation,12h 2.85 2.85 2.85