condition mean min max 12pM Fe,Midday 36.4447 36.4447 36.4447 12pM Fe,Midnight 26.40165 25.7387 27.0646 58pM Fe,Midday 50.0565 50.0565 50.0565 58pM Fe,Midnight 38.62218571428571 23.665 96.6835 233pM Fe,Midnight 18.073133333333335 16.7043 18.8009 1160pM Fe,Midday 19.86812857142857 17.324 21.7577 1160pM Fe,Midnight 11.329190833333334 8.57713 15.7433 High carbon,Dark 12.870535333333333 1.81611 39.4078 High carbon,Light 7.108511153846154 0.503604 27.0962 Low carbon,Dark 12.8165 12.8165 12.8165 Phloroglucinol 26.458066666666667 19.774 37.6152 Silicon starvation,12h 26.6162 26.6162 26.6162