condition mean min max 12pM Fe,Midday 47.255 47.255 47.255 12pM Fe,Midnight 58.5746 39.8459 77.3033 58pM Fe,Midday 33.9028 33.9028 33.9028 58pM Fe,Midnight 106.78542857142857 23.819 454.014 233pM Fe,Midnight 34.91786666666667 28.5015 42.0509 1160pM Fe,Midday 42.665057142857144 32.3505 48.5748 1160pM Fe,Midnight 44.53010833333333 11.3499 73.5655 High carbon,Dark 61.21684666666667 13.7081 227.112 High carbon,Light 43.79793076923077 10.5263 123.955 Low carbon,Dark 76.7876 76.7876 76.7876 Phloroglucinol 322.8756666666667 284.533 343.165 Silicon starvation,12h 196.926 196.926 196.926