condition mean min max 12pM Fe,Midday 33.8208 33.8208 33.8208 12pM Fe,Midnight 34.1529 33.2801 35.0257 58pM Fe,Midday 25.5699 25.5699 25.5699 58pM Fe,Midnight 28.538228571428572 19.0101 76.0938 233pM Fe,Midnight 22.375066666666665 20.6626 23.3538 1160pM Fe,Midday 26.804414285714287 24.0376 29.601 1160pM Fe,Midnight 31.486464166666668 8.92358 44.3532 High carbon,Dark 31.76030533333333 9.95588 78.7137 High carbon,Light 39.56255 4.41061 89.0824 Low carbon,Dark 21.5656 21.5656 21.5656 Phloroglucinol 217.1 191.139 235.136 Silicon starvation,12h 37.268 37.268 37.268