condition mean min max 12pM Fe,Midday 20.4896 20.4896 20.4896 12pM Fe,Midnight 20.3584 19.6968 21.02 58pM Fe,Midday 18.1302 18.1302 18.1302 58pM Fe,Midnight 17.910985714285715 0.0 26.0139 233pM Fe,Midnight 8.218646666666666 8.11184 8.39467 1160pM Fe,Midday 11.507551428571428 9.75556 14.0938 1160pM Fe,Midnight 10.631361666666667 6.63667 13.5163 High carbon,Dark 25.842449333333334 9.19794 45.7937 High carbon,Light 42.786476923076926 10.4956 102.683 Low carbon,Dark 13.9894 13.9894 13.9894 Phloroglucinol 16.402066666666666 12.7865 18.941 Silicon starvation,12h 30.4674 30.4674 30.4674