condition mean min max 12pM Fe,Midday 55.8199 55.8199 55.8199 12pM Fe,Midnight 76.231 75.2665 77.1955 58pM Fe,Midday 45.0339 45.0339 45.0339 58pM Fe,Midnight 52.517585714285715 0.0 68.6457 233pM Fe,Midnight 4.5114133333333335 3.49333 5.63078 1160pM Fe,Midday 35.74588571428571 27.5815 43.8961 1160pM Fe,Midnight 12.413393333333334 8.78737 15.8059 High carbon,Dark 1.4692059333333334 0.0 3.65429 High carbon,Light 1.8020430769230769 0.185326 4.90694 Low carbon,Dark 0.222317 0.222317 0.222317 Phloroglucinol 4.29484 3.08631 6.33836 Silicon starvation,12h 6.14957 6.14957 6.14957