condition mean min max 12pM Fe,Midday 22.0658 22.0658 22.0658 12pM Fe,Midnight 20.178649999999998 19.1882 21.1691 58pM Fe,Midday 19.2583 19.2583 19.2583 58pM Fe,Midnight 13.840957142857143 0.0 17.9158 233pM Fe,Midnight 14.720233333333333 14.2578 15.3591 1160pM Fe,Midday 17.175257142857145 16.14 18.4356 1160pM Fe,Midnight 7.6324483333333335 4.40062 12.1583 High carbon,Dark 12.660077333333334 6.68422 18.352 High carbon,Light 10.444581538461538 2.04027 14.5557 Low carbon,Dark 9.30055 9.30055 9.30055 Phloroglucinol 12.590133333333334 8.8559 18.0606 Silicon starvation,12h 22.0244 22.0244 22.0244