condition mean min max 12pM Fe,Midday 27.4546 27.4546 27.4546 12pM Fe,Midnight 68.5968 65.5632 71.6304 58pM Fe,Midday 23.3934 23.3934 23.3934 58pM Fe,Midnight 70.08652857142857 48.7645 120.491 233pM Fe,Midnight 64.6433 63.8738 65.8863 1160pM Fe,Midday 7.953302857142857 5.33083 10.3026 1160pM Fe,Midnight 40.67565 28.5044 50.9743 High carbon,Dark 78.91302 32.1356 319.101 High carbon,Light 28.95299076923077 5.6485 66.4738 Low carbon,Dark 43.5112 43.5112 43.5112 Phloroglucinol 47.29216666666667 38.7862 56.5764 Silicon starvation,12h 97.7747 97.7747 97.7747