condition mean min max 12pM Fe,Midday 92.3291 92.3291 92.3291 12pM Fe,Midnight 68.1617 61.9867 74.3367 58pM Fe,Midday 72.3898 72.3898 72.3898 58pM Fe,Midnight 56.01204285714286 0.0 75.7693 233pM Fe,Midnight 82.8323 79.6936 85.1012 1160pM Fe,Midday 104.0591 80.9169 131.666 1160pM Fe,Midnight 66.12656666666666 46.1697 94.3416 High carbon,Dark 98.94732666666667 47.7964 231.544 High carbon,Light 74.71794615384616 26.7557 132.738 Low carbon,Dark 58.8731 58.8731 58.8731 Phloroglucinol 72.35393333333333 69.4556 78.0327 Silicon starvation,12h 77.1362 77.1362 77.1362