condition mean min max 12pM Fe,Midday 61.376 61.376 61.376 12pM Fe,Midnight 43.0096 42.3824 43.6368 58pM Fe,Midday 42.3777 42.3777 42.3777 58pM Fe,Midnight 30.861128571428573 0.0 37.0658 233pM Fe,Midnight 31.112466666666666 29.7589 32.2294 1160pM Fe,Midday 40.0855 37.8285 43.6721 1160pM Fe,Midnight 42.62826666666667 23.1481 60.6861 High carbon,Dark 29.4665 11.3846 60.8622 High carbon,Light 30.67510769230769 7.8743 59.4095 Low carbon,Dark 27.8694 27.8694 27.8694 Phloroglucinol 59.3208 54.8972 67.9778 Silicon starvation,12h 49.405 49.405 49.405