condition mean min max 12pM Fe,Midday 47.5917 47.5917 47.5917 12pM Fe,Midnight 43.70825 40.966 46.4505 58pM Fe,Midday 41.6544 41.6544 41.6544 58pM Fe,Midnight 30.6911 25.3922 35.5191 233pM Fe,Midnight 19.4764 19.2357 19.9525 1160pM Fe,Midday 28.596557142857144 25.5777 30.9815 1160pM Fe,Midnight 10.57633 8.01423 12.039 High carbon,Dark 13.609054666666667 4.50358 26.8184 High carbon,Light 11.664910769230769 1.0133 24.7031 Low carbon,Dark 13.9846 13.9846 13.9846 Phloroglucinol 21.56223333333333 19.0366 26.4436 Silicon starvation,12h 23.5526 23.5526 23.5526