condition mean min max 12pM Fe,Midday 65.8872 65.8872 65.8872 12pM Fe,Midnight 66.61994999999999 66.073 67.1669 58pM Fe,Midday 55.4831 55.4831 55.4831 58pM Fe,Midnight 55.750771428571426 49.2059 62.5022 233pM Fe,Midnight 81.99126666666666 80.5711 82.7547 1160pM Fe,Midday 26.07325714285714 23.7249 29.4565 1160pM Fe,Midnight 86.81430833333333 72.8903 99.8879 High carbon,Dark 95.01184666666667 52.8753 155.512 High carbon,Light 83.63503076923077 2.4375 158.088 Low carbon,Dark 42.061 42.061 42.061 Phloroglucinol 45.84093333333333 30.0163 63.1841 Silicon starvation,12h 100.808 100.808 100.808