condition mean min max 12pM Fe,Midday 27.41 27.41 27.41 12pM Fe,Midnight 19.3739 16.385 22.3628 58pM Fe,Midday 26.1634 26.1634 26.1634 58pM Fe,Midnight 11.741057142857143 0.0 16.2079 233pM Fe,Midnight 12.735733333333334 11.506 13.529 1160pM Fe,Midday 18.709785714285715 14.923 21.2354 1160pM Fe,Midnight 2.696056 0.729595 6.16709 High carbon,Dark 8.334134733333334 0.705891 18.6338 High carbon,Light 5.62375 1.16943 14.4658 Low carbon,Dark 5.61137 5.61137 5.61137 Phloroglucinol 6.106273333333333 4.6393 8.67554 Silicon starvation,12h 16.455 16.455 16.455