condition mean min max 12pM Fe,Midday 60.8501 60.8501 60.8501 12pM Fe,Midnight 40.5999 38.9426 42.2572 58pM Fe,Midday 45.5595 45.5595 45.5595 58pM Fe,Midnight 29.836814285714286 0.0 39.0004 233pM Fe,Midnight 26.5437 24.3734 27.6619 1160pM Fe,Midday 38.25638571428571 34.2004 42.6984 1160pM Fe,Midnight 20.115166666666667 12.2017 27.3456 High carbon,Dark 36.80178 14.7115 69.7967 High carbon,Light 32.45622076923077 3.11981 60.9273 Low carbon,Dark 38.5375 38.5375 38.5375 Phloroglucinol 68.58156666666666 60.5914 73.3902 Silicon starvation,12h 58.9459 58.9459 58.9459