condition mean min max 12pM Fe,Midday 35.9174 35.9174 35.9174 12pM Fe,Midnight 33.30315 31.9759 34.6304 58pM Fe,Midday 31.6737 31.6737 31.6737 58pM Fe,Midnight 25.803571428571427 0.0 31.9588 233pM Fe,Midnight 27.622466666666668 27.2969 27.9844 1160pM Fe,Midday 22.841385714285714 20.2979 25.5482 1160pM Fe,Midnight 24.033491666666666 15.8635 35.7062 High carbon,Dark 30.0727 16.5489 40.9718 High carbon,Light 23.16890769230769 1.81419 35.6241 Low carbon,Dark 17.4104 17.4104 17.4104 Phloroglucinol 26.168533333333333 19.7983 38.6552 Silicon starvation,12h 30.065 30.065 30.065