condition mean min max 12pM Fe,Midday 99.1817 99.1817 99.1817 12pM Fe,Midnight 22.55565 22.1153 22.996 58pM Fe,Midday 35.9393 35.9393 35.9393 58pM Fe,Midnight 25.666385714285713 14.9451 45.1095 233pM Fe,Midnight 26.2231 25.2353 27.5994 1160pM Fe,Midday 27.462857142857143 19.9023 55.7122 1160pM Fe,Midnight 58.301275 45.2865 81.7707 High carbon,Dark 20.077124 4.46869 42.2319 High carbon,Light 15.28187 2.63186 55.6759 Low carbon,Dark 9.62189 9.62189 9.62189 Phloroglucinol 67.0941 37.1271 88.1492 Silicon starvation,12h 23.5832 23.5832 23.5832