condition mean min max 12pM Fe,Midday 37.5803 37.5803 37.5803 12pM Fe,Midnight 29.781950000000002 25.7832 33.7807 58pM Fe,Midday 58.848 58.848 58.848 58pM Fe,Midnight 44.16997142857143 27.3823 84.2858 233pM Fe,Midnight 16.183966666666667 15.4326 16.9807 1160pM Fe,Midday 13.41307142857143 12.3186 14.371 1160pM Fe,Midnight 17.16229166666667 14.2223 18.7759 High carbon,Dark 30.381613333333334 6.2005 50.6635 High carbon,Light 25.246107692307692 10.4769 34.0762 Low carbon,Dark 17.3375 17.3375 17.3375 Phloroglucinol 47.582566666666665 36.9501 62.1915 Silicon starvation,12h 39.7288 39.7288 39.7288