condition mean min max 12pM Fe,Midday 118.46 118.46 118.46 12pM Fe,Midnight 84.40045 76.4055 92.3954 58pM Fe,Midday 91.8464 91.8464 91.8464 58pM Fe,Midnight 52.20775714285715 0.0 65.8293 233pM Fe,Midnight 48.335966666666664 48.0858 48.5312 1160pM Fe,Midday 67.07847142857143 59.9847 72.1722 1160pM Fe,Midnight 32.44291666666667 23.3716 44.2895 High carbon,Dark 39.497572 5.57678 73.4751 High carbon,Light 37.391784615384616 13.5735 71.3139 Low carbon,Dark 58.1292 58.1292 58.1292 Phloroglucinol 34.2488 24.2534 46.5299 Silicon starvation,12h 60.3932 60.3932 60.3932