condition mean min max 12pM Fe,Midday 50.3055 50.3055 50.3055 12pM Fe,Midnight 46.279700000000005 45.4005 47.1589 58pM Fe,Midday 46.8151 46.8151 46.8151 58pM Fe,Midnight 52.6885 0.0 83.9602 233pM Fe,Midnight 70.38996666666667 69.1788 72.4917 1160pM Fe,Midday 44.6534 38.3936 65.5228 1160pM Fe,Midnight 75.00025 61.3277 88.9163 High carbon,Dark 66.34616666666666 33.9086 121.156 High carbon,Light 57.254015384615386 10.5447 119.38 Low carbon,Dark 41.3421 41.3421 41.3421 Phloroglucinol 26.805366666666664 16.816 40.7733 Silicon starvation,12h 34.2152 34.2152 34.2152