condition mean min max 12pM Fe,Midday 34.7092 34.7092 34.7092 12pM Fe,Midnight 58.6044 55.263 61.9458 58pM Fe,Midday 35.3446 35.3446 35.3446 58pM Fe,Midnight 42.395828571428574 25.4931 47.5367 233pM Fe,Midnight 22.1671 21.605 22.4766 1160pM Fe,Midday 25.423014285714284 19.456 31.0621 1160pM Fe,Midnight 21.3208 13.702 29.9614 High carbon,Dark 66.29201266666666 3.86447 132.801 High carbon,Light 31.717376923076923 5.74172 73.7324 Low carbon,Dark 58.2657 58.2657 58.2657 Phloroglucinol 2.1562433333333333 1.41689 2.92093 Silicon starvation,12h 4.7739 4.7739 4.7739