condition mean min max 12pM Fe,Midday 110.043 110.043 110.043 12pM Fe,Midnight 88.742 77.373 100.111 58pM Fe,Midday 97.0648 97.0648 97.0648 58pM Fe,Midnight 78.49462857142858 63.1113 123.015 233pM Fe,Midnight 51.6723 48.0509 56.9684 1160pM Fe,Midday 78.89234285714286 68.6547 86.6334 1160pM Fe,Midnight 53.43655 46.0574 60.0949 High carbon,Dark 85.11036 50.1508 103.129 High carbon,Light 89.88842307692308 35.8551 160.052 Low carbon,Dark 74.7876 74.7876 74.7876 Phloroglucinol 109.40233333333333 105.669 111.515 Silicon starvation,12h 75.6056 75.6056 75.6056