condition mean min max 12pM Fe,Midday 28.9699 28.9699 28.9699 12pM Fe,Midnight 33.2772 32.0662 34.4882 58pM Fe,Midday 37.4391 37.4391 37.4391 58pM Fe,Midnight 49.507642857142855 24.2218 135.506 233pM Fe,Midnight 22.893866666666668 20.5576 24.8598 1160pM Fe,Midday 21.801757142857145 18.4494 29.6335 1160pM Fe,Midnight 21.549233333333333 15.9529 28.7411 High carbon,Dark 28.488637333333333 4.22906 47.9476 High carbon,Light 23.29172 6.41665 42.3626 Low carbon,Dark 25.3958 25.3958 25.3958 Phloroglucinol 12.338133333333333 10.388 13.8538 Silicon starvation,12h 21.2544 21.2544 21.2544