condition mean min max 12pM Fe,Midday 118.696 118.696 118.696 12pM Fe,Midnight 87.0796 85.328 88.8312 58pM Fe,Midday 78.6272 78.6272 78.6272 58pM Fe,Midnight 63.05285714285714 0.0 83.629 233pM Fe,Midnight 39.57573333333333 35.1812 44.9702 1160pM Fe,Midday 63.066585714285715 60.3315 66.6076 1160pM Fe,Midnight 45.76849166666667 22.8067 70.3375 High carbon,Dark 34.33220266666667 6.68204 61.2296 High carbon,Light 32.479463076923075 1.14554 60.3439 Low carbon,Dark 31.619 31.619 31.619 Phloroglucinol 95.07336666666667 84.1817 102.828 Silicon starvation,12h 53.8797 53.8797 53.8797