condition mean min max 12pM Fe,Midday 12.3344 12.3344 12.3344 12pM Fe,Midnight 25.93105 25.3074 26.5547 58pM Fe,Midday 33.508 33.508 33.508 58pM Fe,Midnight 53.556014285714284 41.4772 76.9246 233pM Fe,Midnight 72.85546666666667 68.3705 78.1623 1160pM Fe,Midday 3.174804285714286 1.25241 6.41537 1160pM Fe,Midnight 109.516925 43.6666 212.616 High carbon,Dark 194.1717 30.6667 461.342 High carbon,Light 111.66249615384615 1.21421 338.101 Low carbon,Dark 49.2281 49.2281 49.2281 Phloroglucinol 58.7229 41.7263 88.0025 Silicon starvation,12h 101.944 101.944 101.944