condition mean min max 12pM Fe,Midday 45.3045 45.3045 45.3045 12pM Fe,Midnight 33.1738 29.7547 36.5929 58pM Fe,Midday 91.0175 91.0175 91.0175 58pM Fe,Midnight 43.40862857142857 21.3653 79.9262 233pM Fe,Midnight 37.22156666666667 36.231 38.3281 1160pM Fe,Midday 33.55661428571428 27.2497 38.0558 1160pM Fe,Midnight 26.994875 22.5616 32.5701 High carbon,Dark 31.704733333333333 19.9556 46.0523 High carbon,Light 36.41703076923077 9.1368 57.8217 Low carbon,Dark 30.1414 30.1414 30.1414 Phloroglucinol 25.360466666666667 19.7583 28.5682 Silicon starvation,12h 40.1684 40.1684 40.1684