condition mean min max 12pM Fe,Midday 87.5353 87.5353 87.5353 12pM Fe,Midnight 68.2039 66.59 69.8178 58pM Fe,Midday 72.2041 72.2041 72.2041 58pM Fe,Midnight 42.146414285714286 0.0 55.9013 233pM Fe,Midnight 30.543499999999998 29.1051 32.175 1160pM Fe,Midday 40.369814285714284 35.0496 45.2103 1160pM Fe,Midnight 33.624075 24.2604 41.0637 High carbon,Dark 39.39755666666667 0.0 136.028 High carbon,Light 31.11301 1.62133 86.4185 Low carbon,Dark 62.08 62.08 62.08 Phloroglucinol 1.619854 0.937992 2.52703 Silicon starvation,12h 1.05519 1.05519 1.05519