condition mean min max 12pM Fe,Midday 65.5381 65.5381 65.5381 12pM Fe,Midnight 33.2411 29.5109 36.9713 58pM Fe,Midday 49.3465 49.3465 49.3465 58pM Fe,Midnight 25.915685714285715 0.0 31.7765 233pM Fe,Midnight 14.444833333333333 13.5205 15.9816 1160pM Fe,Midday 27.19592857142857 22.9041 30.9644 1160pM Fe,Midnight 18.161591666666666 11.9378 22.3468 High carbon,Dark 19.114177333333334 1.50541 54.9576 High carbon,Light 26.356358461538463 5.11247 60.7198 Low carbon,Dark 26.0179 26.0179 26.0179 Phloroglucinol 9.102056666666666 7.8065 9.89166 Silicon starvation,12h 86.622 86.622 86.622