condition mean min max 12pM Fe,Midday 34.0706 34.0706 34.0706 12pM Fe,Midnight 35.7796 35.4381 36.1211 58pM Fe,Midday 29.0586 29.0586 29.0586 58pM Fe,Midnight 26.146071428571428 0.0 36.7149 233pM Fe,Midnight 21.9737 21.5128 22.232 1160pM Fe,Midday 19.0246 16.4607 20.936 1160pM Fe,Midnight 20.838333333333335 18.1028 23.778 High carbon,Dark 21.797119333333335 2.39999 35.7585 High carbon,Light 13.106773846153846 1.32761 21.029 Low carbon,Dark 11.6879 11.6879 11.6879 Phloroglucinol 15.875533333333333 11.0899 22.9544 Silicon starvation,12h 11.5234 11.5234 11.5234