condition mean min max 12pM Fe,Midday 86.3131 86.3131 86.3131 12pM Fe,Midnight 59.1683 57.0871 61.2495 58pM Fe,Midday 58.2238 58.2238 58.2238 58pM Fe,Midnight 67.27055714285714 50.9251 144.391 233pM Fe,Midnight 31.274766666666668 30.7335 31.9772 1160pM Fe,Midday 47.525485714285715 44.6791 50.711 1160pM Fe,Midnight 25.241016666666667 20.9394 29.7162 High carbon,Dark 31.659513333333333 15.6029 47.0774 High carbon,Light 30.59157769230769 5.49983 60.2953 Low carbon,Dark 33.3313 33.3313 33.3313 Phloroglucinol 46.45236666666667 44.1385 48.9956 Silicon starvation,12h 42.7541 42.7541 42.7541