condition mean min max 12pM Fe,Midday 15.5537 15.5537 15.5537 12pM Fe,Midnight 16.206400000000002 14.4238 17.989 58pM Fe,Midday 14.7269 14.7269 14.7269 58pM Fe,Midnight 19.590614285714288 10.4133 70.4347 233pM Fe,Midnight 78.60256666666666 76.8122 79.9584 1160pM Fe,Midday 14.5329 11.683 16.9834 1160pM Fe,Midnight 186.99996916666666 8.07034 301.303 High carbon,Dark 17.4086 6.37993 55.2698 High carbon,Light 15.539202307692307 2.01295 32.3679 Low carbon,Dark 15.2933 15.2933 15.2933 Phloroglucinol 19.345666666666666 13.9677 29.6253 Silicon starvation,12h 40.9786 40.9786 40.9786