condition mean min max 12pM Fe,Midday 27.4105 27.4105 27.4105 12pM Fe,Midnight 29.073900000000002 28.925 29.2228 58pM Fe,Midday 38.759 38.759 38.759 58pM Fe,Midnight 14.485214285714285 0.0 19.3313 233pM Fe,Midnight 12.914233333333334 12.4681 13.6974 1160pM Fe,Midday 17.66294285714286 15.5861 19.1083 1160pM Fe,Midnight 6.474083333333334 2.05246 14.4865 High carbon,Dark 13.457901333333334 0.42592 29.512 High carbon,Light 9.3813 1.17468 32.1275 Low carbon,Dark 15.2837 15.2837 15.2837 Phloroglucinol 10.206826666666668 4.58721 20.1395 Silicon starvation,12h 15.9015 15.9015 15.9015