condition mean min max 12pM Fe,Midday 90.0609 90.0609 90.0609 12pM Fe,Midnight 73.7119 66.0543 81.3695 58pM Fe,Midday 65.9877 65.9877 65.9877 58pM Fe,Midnight 44.85711428571428 0.0 54.8166 233pM Fe,Midnight 31.852333333333334 29.947 32.8402 1160pM Fe,Midday 45.29244285714286 37.4909 53.8379 1160pM Fe,Midnight 20.390708333333333 14.7145 25.1899 High carbon,Dark 44.298426666666664 22.5988 65.3094 High carbon,Light 38.33371538461539 12.4753 64.6033 Low carbon,Dark 31.7855 31.7855 31.7855 Phloroglucinol 96.339 82.9919 109.668 Silicon starvation,12h 58.4296 58.4296 58.4296