condition mean min max 12pM Fe,Midday 29.8399 29.8399 29.8399 12pM Fe,Midnight 30.4615 27.6014 33.3216 58pM Fe,Midday 37.0086 37.0086 37.0086 58pM Fe,Midnight 69.74592857142856 45.617 173.897 233pM Fe,Midnight 35.928866666666664 32.5971 39.7245 1160pM Fe,Midday 7.6566214285714285 5.25798 10.313 1160pM Fe,Midnight 82.516875 71.6311 96.5581 High carbon,Dark 92.29762733333334 2.71361 169.328 High carbon,Light 52.40473769230769 8.5777 120.378 Low carbon,Dark 79.8873 79.8873 79.8873 Phloroglucinol 9.604396666666666 8.49859 10.8819 Silicon starvation,12h 110.496 110.496 110.496