condition mean min max 12pM Fe,Midday 0.567411 0.567411 0.567411 12pM Fe,Midnight 44.15625 43.2694 45.0431 58pM Fe,Midday 5.02071 5.02071 5.02071 58pM Fe,Midnight 43.575785714285715 0.0 56.1024 233pM Fe,Midnight 79.03066666666666 75.6203 85.0278 1160pM Fe,Midday 0.022340142857142857 0.0 0.156381 1160pM Fe,Midnight 92.6867 58.4522 118.136 High carbon,Dark 99.04881333333333 44.6657 184.342 High carbon,Light 56.2876 3.58683 158.113 Low carbon,Dark 50.4038 50.4038 50.4038 Phloroglucinol 14.564543333333333 5.85923 23.9678 Silicon starvation,12h 60.5861 60.5861 60.5861