condition mean min max 12pM Fe,Midday 3.72585 3.72585 3.72585 12pM Fe,Midnight 35.39855 34.4852 36.3119 58pM Fe,Midday 1.31872 1.31872 1.31872 58pM Fe,Midnight 44.00102857142857 0.0 91.3259 233pM Fe,Midnight 65.96936666666667 59.5888 72.1894 1160pM Fe,Midday 10.236524285714285 7.3934 15.4147 1160pM Fe,Midnight 61.32165 34.3217 93.7328 High carbon,Dark 20.999207333333334 3.9034 52.3221 High carbon,Light 11.800198076923076 0.557795 39.3469 Low carbon,Dark 18.1631 18.1631 18.1631 Phloroglucinol 1.443656 0.706668 2.10124 Silicon starvation,12h 19.0791 19.0791 19.0791