condition mean min max 12pM Fe,Midday 27.7079 27.7079 27.7079 12pM Fe,Midnight 13.29355 12.7272 13.8599 58pM Fe,Midday 19.3798 19.3798 19.3798 58pM Fe,Midnight 13.545457142857142 0.0 20.6576 233pM Fe,Midnight 36.85053333333333 32.8443 43.861 1160pM Fe,Midday 24.69002857142857 20.2177 29.9414 1160pM Fe,Midnight 21.362483333333333 13.6575 34.9458 High carbon,Dark 15.569642 2.80172 32.6768 High carbon,Light 19.489010153846152 0.751882 43.2785 Low carbon,Dark 14.5623 14.5623 14.5623 Phloroglucinol 11.62701 8.67213 15.3543 Silicon starvation,12h 29.6532 29.6532 29.6532