condition mean min max 12pM Fe,Midday 98.8181 98.8181 98.8181 12pM Fe,Midnight 91.4279 89.0292 93.8266 58pM Fe,Midday 79.1914 79.1914 79.1914 58pM Fe,Midnight 67.61307142857143 32.169 80.2857 233pM Fe,Midnight 39.19103333333333 37.2478 41.5345 1160pM Fe,Midday 61.158185714285715 58.9091 62.5398 1160pM Fe,Midnight 33.460625 28.1657 41.357 High carbon,Dark 40.95865333333333 10.9003 64.2312 High carbon,Light 27.628824615384616 5.51612 49.1838 Low carbon,Dark 23.8217 23.8217 23.8217 Phloroglucinol 39.18176666666667 23.3625 59.7416 Silicon starvation,12h 52.9292 52.9292 52.9292