condition mean min max 12pM Fe,Midday 30.9877 30.9877 30.9877 12pM Fe,Midnight 29.67235 28.3699 30.9748 58pM Fe,Midday 26.8335 26.8335 26.8335 58pM Fe,Midnight 30.806428571428572 17.9938 94.1514 233pM Fe,Midnight 27.27166666666667 25.8585 28.37 1160pM Fe,Midday 16.736371428571427 15.3182 17.7978 1160pM Fe,Midnight 19.68965 13.2803 27.1849 High carbon,Dark 25.66876 11.5438 34.9289 High carbon,Light 22.712419230769232 4.08685 37.5747 Low carbon,Dark 17.4302 17.4302 17.4302 Phloroglucinol 20.234533333333335 16.4933 23.5479 Silicon starvation,12h 40.9884 40.9884 40.9884