condition mean min max 12pM Fe,Midday 19.9488 19.9488 19.9488 12pM Fe,Midnight 72.5206 66.1464 78.8948 58pM Fe,Midday 18.6749 18.6749 18.6749 58pM Fe,Midnight 87.82514285714286 77.5412 102.776 233pM Fe,Midnight 95.5165 91.7605 97.7673 1160pM Fe,Midday 79.34064285714285 69.9656 87.7783 1160pM Fe,Midnight 54.757758333333335 45.3247 71.2978 High carbon,Dark 57.541646666666665 17.0873 102.514 High carbon,Light 44.88958076923077 3.06368 109.122 Low carbon,Dark 74.6977 74.6977 74.6977 Phloroglucinol 7.822186666666667 2.1667 11.6981 Silicon starvation,12h 67.1143 67.1143 67.1143