condition mean min max 12pM Fe,Midday 13.0907 13.0907 13.0907 12pM Fe,Midnight 20.14845 19.0253 21.2716 58pM Fe,Midday 6.99823 6.99823 6.99823 58pM Fe,Midnight 15.387571428571428 0.0 20.1706 233pM Fe,Midnight 15.6418 14.4547 17.3546 1160pM Fe,Midday 11.367957142857144 10.1452 12.439 1160pM Fe,Midnight 14.0048125 8.91905 18.9167 High carbon,Dark 10.412304666666667 1.33797 19.019 High carbon,Light 6.698955538461538 0.321112 16.0307 Low carbon,Dark 7.97698 7.97698 7.97698 Phloroglucinol 10.4947 7.8612 11.9845 Silicon starvation,12h 14.043 14.043 14.043