condition mean min max 12pM Fe,Midday 66.6188 66.6188 66.6188 12pM Fe,Midnight 60.0334 54.5401 65.5267 58pM Fe,Midday 69.9819 69.9819 69.9819 58pM Fe,Midnight 83.10488571428571 50.5161 233.321 233pM Fe,Midnight 50.9705 47.0062 54.2335 1160pM Fe,Midday 51.622614285714285 46.6216 58.3236 1160pM Fe,Midnight 45.76005 37.4319 56.3878 High carbon,Dark 65.48866666666666 35.5006 110.788 High carbon,Light 54.06946153846154 30.8438 67.4503 Low carbon,Dark 43.1945 43.1945 43.1945 Phloroglucinol 99.73073333333333 81.9532 108.661 Silicon starvation,12h 59.5634 59.5634 59.5634