condition mean min max 12pM Fe,Midday 618.719 618.719 618.719 12pM Fe,Midnight 371.0565 369.461 372.652 58pM Fe,Midday 483.894 483.894 483.894 58pM Fe,Midnight 305.7844285714286 0.0 404.163 233pM Fe,Midnight 375.87766666666664 353.847 393.439 1160pM Fe,Midday 365.299 301.365 434.295 1160pM Fe,Midnight 359.43666666666667 237.48 464.795 High carbon,Dark 360.72433333333333 269.34 468.068 High carbon,Light 317.5076923076923 127.26 472.104 Low carbon,Dark 843.234 843.234 843.234 Phloroglucinol 275.271 200.106 348.105 Silicon starvation,12h 331.591 331.591 331.591