condition mean min max 12pM Fe,Midday 21.2447 21.2447 21.2447 12pM Fe,Midnight 25.91355 25.2083 26.6188 58pM Fe,Midday 11.7772 11.7772 11.7772 58pM Fe,Midnight 17.233428571428572 0.0 23.3437 233pM Fe,Midnight 18.663033333333335 16.8551 21.9978 1160pM Fe,Midday 10.145205714285714 8.31153 12.4795 1160pM Fe,Midnight 17.605733333333333 11.6909 23.6648 High carbon,Dark 20.611886666666667 11.3016 35.1355 High carbon,Light 14.405272307692307 2.41099 33.4658 Low carbon,Dark 20.7963 20.7963 20.7963 Phloroglucinol 26.206166666666668 22.134 31.5638 Silicon starvation,12h 61.6029 61.6029 61.6029