condition mean min max 12pM Fe,Midday 49.6779 49.6779 49.6779 12pM Fe,Midnight 34.06575 33.3134 34.8181 58pM Fe,Midday 65.2159 65.2159 65.2159 58pM Fe,Midnight 33.81415714285714 27.5504 36.3411 233pM Fe,Midnight 41.99496666666667 39.2394 44.9006 1160pM Fe,Midday 21.11937142857143 17.3012 24.7125 1160pM Fe,Midnight 90.053025 40.2812 152.269 High carbon,Dark 103.3429 44.9314 206.583 High carbon,Light 99.24294976923076 0.543585 278.042 Low carbon,Dark 32.3654 32.3654 32.3654 Phloroglucinol 31.45706666666667 10.2405 51.0587 Silicon starvation,12h 65.2612 65.2612 65.2612