condition mean min max 12pM Fe,Midday 80.3485 80.3485 80.3485 12pM Fe,Midnight 45.1124 40.9056 49.3192 58pM Fe,Midday 78.5329 78.5329 78.5329 58pM Fe,Midnight 31.55432857142857 0.0 41.3136 233pM Fe,Midnight 20.17846666666667 19.8898 20.4233 1160pM Fe,Midday 69.13832857142857 64.0096 74.2162 1160pM Fe,Midnight 22.797876666666667 5.60589 40.8123 High carbon,Dark 40.97384666666667 29.0946 65.4595 High carbon,Light 43.08071538461539 13.8542 73.477 Low carbon,Dark 36.6014 36.6014 36.6014 Phloroglucinol 60.108200000000004 36.6554 84.8049 Silicon starvation,12h 33.2826 33.2826 33.2826