condition mean min max 12pM Fe,Midday 81.0486 81.0486 81.0486 12pM Fe,Midnight 65.554 59.6799 71.4281 58pM Fe,Midday 74.8441 74.8441 74.8441 58pM Fe,Midnight 60.889671428571425 53.1934 96.6835 233pM Fe,Midnight 76.9339 71.6535 80.7932 1160pM Fe,Midday 47.836885714285714 42.0512 53.0381 1160pM Fe,Midnight 73.36104166666667 57.852 90.4359 High carbon,Dark 104.84825333333333 60.903 194.0 High carbon,Light 92.1993923076923 34.9993 167.481 Low carbon,Dark 65.8505 65.8505 65.8505 Phloroglucinol 49.20166666666667 35.5932 70.5981 Silicon starvation,12h 107.548 107.548 107.548