condition mean min max 12pM Fe,Midday 57.6788 57.6788 57.6788 12pM Fe,Midnight 37.70785 35.5551 39.8606 58pM Fe,Midday 49.7556 49.7556 49.7556 58pM Fe,Midnight 28.8027 0.0 35.9149 233pM Fe,Midnight 31.337633333333333 29.2372 32.7628 1160pM Fe,Midday 36.32375714285714 34.4365 37.485 1160pM Fe,Midnight 22.052558333333334 16.4914 31.2172 High carbon,Dark 32.607173333333336 20.2724 44.3282 High carbon,Light 28.383786923076922 1.57986 48.0139 Low carbon,Dark 20.1308 20.1308 20.1308 Phloroglucinol 19.4803 16.1812 23.9506 Silicon starvation,12h 35.1059 35.1059 35.1059