condition mean min max 12pM Fe,Midday 14.0568 14.0568 14.0568 12pM Fe,Midnight 20.881999999999998 18.4578 23.3062 58pM Fe,Midday 8.92028 8.92028 8.92028 58pM Fe,Midnight 10.902585714285713 0.0 15.6929 233pM Fe,Midnight 6.217513333333334 5.92453 6.74279 1160pM Fe,Midday 14.905685714285715 12.9092 16.7136 1160pM Fe,Midnight 10.418905833333334 4.69456 15.9814 High carbon,Dark 12.221491333333333 2.53999 36.4797 High carbon,Light 23.814692461538463 0.668722 55.2449 Low carbon,Dark 8.76757 8.76757 8.76757 Phloroglucinol 56.36946666666667 48.6685 61.9114 Silicon starvation,12h 33.1226 33.1226 33.1226