condition mean min max 12pM Fe,Midday 17.2361 17.2361 17.2361 12pM Fe,Midnight 20.159950000000002 20.0226 20.2973 58pM Fe,Midday 18.6156 18.6156 18.6156 58pM Fe,Midnight 13.636071428571428 0.0 21.6072 233pM Fe,Midnight 12.475033333333334 11.7059 13.7222 1160pM Fe,Midday 7.16144 6.17306 9.16904 1160pM Fe,Midnight 11.49235 9.3259 14.2419 High carbon,Dark 11.936053333333334 8.6829 15.4237 High carbon,Light 12.06362923076923 1.42227 16.5703 Low carbon,Dark 6.17825 6.17825 6.17825 Phloroglucinol 12.972886666666668 8.17276 17.9599 Silicon starvation,12h 20.2626 20.2626 20.2626