condition mean min max 12pM Fe,Midday 33.5776 33.5776 33.5776 12pM Fe,Midnight 70.5138 64.3324 76.6952 58pM Fe,Midday 21.978 21.978 21.978 58pM Fe,Midnight 64.35684285714285 54.5041 72.8554 233pM Fe,Midnight 74.49596666666666 71.4513 76.9857 1160pM Fe,Midday 33.08047142857143 30.0006 35.6908 1160pM Fe,Midnight 82.96237500000001 63.6409 104.968 High carbon,Dark 48.345040000000004 16.1817 97.9509 High carbon,Light 30.936307692307693 9.08482 56.8235 Low carbon,Dark 53.0676 53.0676 53.0676 Phloroglucinol 39.73993333333333 32.0894 48.26 Silicon starvation,12h 70.9227 70.9227 70.9227