condition mean min max 12pM Fe,Midday 64.6885 64.6885 64.6885 12pM Fe,Midnight 50.28315 48.2072 52.3591 58pM Fe,Midday 59.3994 59.3994 59.3994 58pM Fe,Midnight 55.0465 42.2391 108.471 233pM Fe,Midnight 37.99933333333333 33.445 43.8575 1160pM Fe,Midday 53.15101428571428 48.4354 57.8963 1160pM Fe,Midnight 22.020933333333332 13.8997 28.3164 High carbon,Dark 40.63500666666667 10.6396 66.9886 High carbon,Light 34.304816153846154 9.34111 57.5587 Low carbon,Dark 26.2791 26.2791 26.2791 Phloroglucinol 39.69703333333334 26.5775 52.3879 Silicon starvation,12h 48.0905 48.0905 48.0905