condition mean min max 12pM Fe,Midday 46.6837 46.6837 46.6837 12pM Fe,Midnight 44.65 44.1673 45.1327 58pM Fe,Midday 35.9532 35.9532 35.9532 58pM Fe,Midnight 57.70798571428571 32.8245 184.394 233pM Fe,Midnight 28.2429 26.8222 29.3962 1160pM Fe,Midday 26.972685714285713 20.9391 32.0092 1160pM Fe,Midnight 8.723086666666667 4.78683 16.4214 High carbon,Dark 28.272442 8.37053 44.9994 High carbon,Light 13.860973846153847 4.36583 24.5844 Low carbon,Dark 21.9149 21.9149 21.9149 Phloroglucinol 38.207033333333335 27.7364 48.2974 Silicon starvation,12h 21.9379 21.9379 21.9379