condition mean min max 12pM Fe,Midday 143.271 143.271 143.271 12pM Fe,Midnight 70.46725 64.0488 76.8857 58pM Fe,Midday 102.925 102.925 102.925 58pM Fe,Midnight 39.80767142857143 34.1433 43.653 233pM Fe,Midnight 18.526066666666665 17.4474 19.4187 1160pM Fe,Midday 35.60357142857143 33.7218 37.5216 1160pM Fe,Midnight 22.043658333333333 13.2839 30.5898 High carbon,Dark 29.070758666666666 4.49654 77.1767 High carbon,Light 18.546565384615384 5.85619 46.637 Low carbon,Dark 34.7679 34.7679 34.7679 Phloroglucinol 8.958823333333333 5.00725 16.8322 Silicon starvation,12h 9.41614 9.41614 9.41614