condition mean min max 12pM Fe,Midday 1.42669 1.42669 1.42669 12pM Fe,Midnight 11.802715 9.75753 13.8479 58pM Fe,Midday 2.94561 2.94561 2.94561 58pM Fe,Midnight 13.965302857142857 0.0 22.076 233pM Fe,Midnight 31.1037 28.6062 33.6073 1160pM Fe,Midday 1.4859181428571429 0.393203 2.40921 1160pM Fe,Midnight 15.659144999999999 2.57859 39.6501 High carbon,Dark 32.8490366 0.753739 78.5957 High carbon,Light 15.366687769230769 0.692931 47.5951 Low carbon,Dark 25.5016 25.5016 25.5016 Phloroglucinol 5.15668 2.70595 6.80406 Silicon starvation,12h 34.0933 34.0933 34.0933