condition mean min max 12pM Fe,Midday 20.5702 20.5702 20.5702 12pM Fe,Midnight 14.26915 12.9278 15.6105 58pM Fe,Midday 18.0375 18.0375 18.0375 58pM Fe,Midnight 12.195328571428572 0.0 17.205 233pM Fe,Midnight 22.465366666666668 20.417 23.659 1160pM Fe,Midday 11.811028571428572 10.0554 14.2846 1160pM Fe,Midnight 12.939290833333333 6.55545 22.7059 High carbon,Dark 25.720009333333334 6.16803 45.761 High carbon,Light 15.539794615384617 3.26337 33.6024 Low carbon,Dark 13.2499 13.2499 13.2499 Phloroglucinol 10.49223 6.67819 12.4253 Silicon starvation,12h 31.4211 31.4211 31.4211